diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 938c41e..5203fa0 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -217,48 +217,51 @@
 		"frameworks/native/services/batteryservice":          Bp2BuildDefaultTrue,
 		"frameworks/proto_logging/stats":                     Bp2BuildDefaultTrueRecursively,
 
-		"hardware/interfaces":                          Bp2BuildDefaultTrue,
-		"hardware/interfaces/audio/aidl":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/audio/aidl/common":        Bp2BuildDefaultTrue,
-		"hardware/interfaces/bufferpool/aidl":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/common/aidl":              Bp2BuildDefaultTrue,
-		"hardware/interfaces/common/fmq/aidl":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/1.0":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/1.1":          Bp2BuildDefaultTrue,
-		"hardware/interfaces/configstore/utils":        Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/2.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/3.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/4.0":   Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/allocator/aidl":  Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/bufferqueue/1.0": Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/bufferqueue/2.0": Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.1":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/1.2":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/common/aidl":     Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/2.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/2.1":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/3.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/graphics/mapper/4.0":      Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/1.0":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/1.0/default":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0/default":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/2.0/utils":         Bp2BuildDefaultTrueRecursively,
-		"hardware/interfaces/health/2.1":               Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/aidl":              Bp2BuildDefaultTrue,
-		"hardware/interfaces/health/utils":             Bp2BuildDefaultTrueRecursively,
-		"hardware/interfaces/media/1.0":                Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/bufferpool/2.0":     Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.0":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.1":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/c2/1.2":             Bp2BuildDefaultTrue,
-		"hardware/interfaces/media/omx/1.0":            Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.0":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.1":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.2":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/1.3":       Bp2BuildDefaultTrue,
-		"hardware/interfaces/neuralnetworks/aidl":      Bp2BuildDefaultTrue,
+		"hardware/interfaces":                                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/audio/aidl":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/audio/aidl/common":                   Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/aidl":                         Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/fmq/aidl":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/common/support":                      Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/1.0":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/1.1":                     Bp2BuildDefaultTrue,
+		"hardware/interfaces/configstore/utils":                   Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/2.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/3.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/4.0":              Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/allocator/aidl":             Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/bufferqueue/1.0":            Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/bufferqueue/2.0":            Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.1":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/1.2":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/common/aidl":                Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/2.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/2.1":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/3.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/graphics/mapper/4.0":                 Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/1.0":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/1.0/default":                  Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0/default":                  Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/2.0/utils":                    Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/health/2.1":                          Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/aidl":                         Bp2BuildDefaultTrue,
+		"hardware/interfaces/health/utils":                        Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/media/1.0":                           Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/bufferpool":                    Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/media/bufferpool/aidl/default/tests": Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/media/c2/1.0":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/c2/1.1":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/c2/1.2":                        Bp2BuildDefaultTrue,
+		"hardware/interfaces/media/omx/1.0":                       Bp2BuildDefaultTrue,
+		"hardware/interfaces/neuralnetworks":                      Bp2BuildDefaultTrueRecursively,
+		"hardware/interfaces/neuralnetworks/aidl/vts":             Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.0/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.1/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.2/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.3/vts":              Bp2BuildDefaultFalseRecursively,
+		"hardware/interfaces/neuralnetworks/1.4/vts":              Bp2BuildDefaultFalseRecursively,
 
 		"libnativehelper": Bp2BuildDefaultTrueRecursively,
 
@@ -439,7 +442,6 @@
 		"gemmlowp_headers",
 		"gl_headers",
 		"ipconnectivity-proto-src",
-		"libaidlcommonsupport",
 		"libandroid_runtime_lazy",
 		"libandroid_runtime_vm_headers",
 		"libaudioclient_aidl_conversion_util",
@@ -501,13 +503,6 @@
 		"mediaswcodec.policy",
 		"mediaswcodec.xml",
 		"neuralnetworks_types",
-		"neuralnetworks_utils_hal_aidl",
-		"neuralnetworks_utils_hal_common",
-		"neuralnetworks_utils_hal_service",
-		"neuralnetworks_utils_hal_1_0",
-		"neuralnetworks_utils_hal_1_1",
-		"neuralnetworks_utils_hal_1_2",
-		"neuralnetworks_utils_hal_1_3",
 		"libneuralnetworks_common",
 		// packagemanager_aidl_interface is created implicitly in packagemanager_aidl module
 		"packagemanager_aidl_interface",
@@ -710,6 +705,10 @@
 		// for building com.android.neuralnetworks
 		"libimapper_stablec",
 		"libimapper_providerutils",
+
+		// min_sdk_version in android_app
+		"CtsShimUpgrade",
+		"fake-framework",
 	}
 
 	Bp2buildModuleTypeAlwaysConvertList = []string{
@@ -732,15 +731,6 @@
 	// the "prebuilt_" prefix to the name, so that it's differentiable from
 	// the source versions within Soong's module graph.
 	Bp2buildModuleDoNotConvertList = []string{
-		// TODO(b/250876486): Created cc_aidl_library doesn't have static libs from parent cc module
-		"libgui_window_info_static",
-		"libgui",     // Depends on unconverted libgui_window_info_static
-		"libdisplay", // Depends on uncovnerted libgui
-		// Depends on unconverted libdisplay
-		"libdvr_static.google",
-		"libdvr.google",
-		"libvrsensor",
-		"dvr_api-test",
 		// Depends on unconverted libandroid, libgui
 		"dvr_buffer_queue-test",
 		"dvr_display-test",
@@ -869,6 +859,9 @@
 		"android.hardware.health-translate-java",
 
 		// cc_test related.
+		// b/274164834 "Could not open Configuration file test.cfg"
+		"svcenc", "svcdec",
+
 		// Failing host cc_tests
 		"memunreachable_unit_test",
 		"libprocinfo_test",
@@ -1418,25 +1411,29 @@
 		"unwind",
 		"unwind_info",
 		"unwind_symbols",
-		"libc_malloc_debug",
-		"libfdtrack",
-		"mediaswcodec",
-		"libcodec2_hidl@1.0",
 		"libEGL",
-		"libstagefright_bufferqueue_helper_novndk",
 		"libGLESv2",
+		"libc_malloc_debug",
+		"libcodec2_hidl@1.0",
 		"libcodec2_hidl@1.1",
-		"libmedia_codecserviceregistrant",
 		"libcodec2_hidl@1.2",
+		"libfdtrack",
+		"libgui",
+		"libgui_bufferqueue_static",
+		"libmedia_codecserviceregistrant",
+		"libstagefright_bufferqueue_helper_novndk",
 		"libutils_test",
 		"libutilscallstack",
+		"mediaswcodec",
 	}
 
 	// Bazel prod-mode allowlist. Modules in this list are built by Bazel
 	// in either prod mode or staging mode.
 	ProdMixedBuildsEnabledList = []string{
+		// M5: tzdata launch
 		"com.android.tzdata",
 		"test1_com.android.tzdata",
+		// M7: adbd launch
 		"com.android.adbd",
 		"test_com.android.adbd",
 		"adbd_test",
@@ -1444,6 +1441,8 @@
 		"adb_pairing_auth_test",
 		"adb_pairing_connection_test",
 		"adb_tls_connection_test",
+		// M9: mixed builds for mainline trains launch
+		"api_fingerprint",
 	}
 
 	// Staging-mode allowlist. Modules in this list are only built
@@ -1451,21 +1450,19 @@
 	// which will soon be added to the prod allowlist.
 	// It is implicit that all modules in ProdMixedBuildsEnabledList will
 	// also be built - do not add them to this list.
-	StagingMixedBuildsEnabledList = []string{
-		"api_fingerprint",
-	}
+	StagingMixedBuildsEnabledList = []string{}
 
 	// These should be the libs that are included by the apexes in the ProdMixedBuildsEnabledList
-	ProdDclaMixedBuildsEnabledList = []string{}
-
-	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
-	StagingDclaMixedBuildsEnabledList = []string{
+	ProdDclaMixedBuildsEnabledList = []string{
 		"libbase",
 		"libc++",
 		"libcrypto",
 		"libcutils",
 	}
 
+	// These should be the libs that are included by the apexes in the StagingMixedBuildsEnabledList
+	StagingDclaMixedBuildsEnabledList = []string{}
+
 	// TODO(b/269342245): Enable the rest of the DCLA libs
 	// "libssl",
 	// "libstagefright_flacdec",
diff --git a/android/androidmk.go b/android/androidmk.go
index a7b69f6..aa411d1 100644
--- a/android/androidmk.go
+++ b/android/androidmk.go
@@ -560,8 +560,6 @@
 		a.SetPaths("LOCAL_SOONG_INSTALL_SYMLINKS", base.katiSymlinks.InstallPaths().Paths())
 	}
 
-	a.SetBoolIfTrue("LOCAL_UNINSTALLABLE_MODULE", base.commonProperties.SkipInstall)
-
 	if am, ok := mod.(ApexModule); ok {
 		a.SetBoolIfTrue("LOCAL_NOT_AVAILABLE_FOR_PLATFORM", am.NotAvailableForPlatform())
 	}
diff --git a/android/apex.go b/android/apex.go
index a0ac5b8..358818f 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -603,7 +603,7 @@
 			// Do not install the module for platform, but still allow it to output
 			// uninstallable AndroidMk entries in certain cases when they have side
 			// effects.  TODO(jiyong): move this routine to somewhere else
-			mod.SkipInstall()
+			mod.MakeUninstallable()
 		}
 		if !platformVariation {
 			mctx.SetVariationProvider(mod, ApexInfoProvider, apexInfos[i-1])
diff --git a/android/api_levels.go b/android/api_levels.go
index 9440ee9..e48a69e 100644
--- a/android/api_levels.go
+++ b/android/api_levels.go
@@ -55,6 +55,9 @@
 }
 
 func (this ApiLevel) FinalInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsPreview() {
 		panic("Requested a final int from a non-final ApiLevel")
 	} else {
@@ -63,6 +66,9 @@
 }
 
 func (this ApiLevel) FinalOrFutureInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsPreview() {
 		return FutureApiLevelInt
 	} else {
@@ -76,6 +82,9 @@
 // - preview codenames -> preview base (9000) + index
 // - otherwise -> cast to int
 func (this ApiLevel) FinalOrPreviewInt() int {
+	if this.IsInvalid() {
+		panic(fmt.Errorf("%v is not a recognized api_level\n", this))
+	}
 	if this.IsCurrent() {
 		return this.number
 	}
@@ -97,6 +106,11 @@
 	return this.isPreview
 }
 
+// Returns true if the raw api level string is invalid
+func (this ApiLevel) IsInvalid() bool {
+	return this.EqualTo(InvalidApiLevel)
+}
+
 // Returns true if this is the unfinalized "current" API level. This means
 // different things across Java and native. Java APIs do not use explicit
 // codenames, so all non-final codenames are grouped into "current". For native
@@ -113,6 +127,64 @@
 	return this.number == -1
 }
 
+// Returns true if an app is compiling against private apis.
+// e.g. if sdk_version = "" in Android.bp, then the ApiLevel of that "sdk" is at PrivateApiLevel.
+func (this ApiLevel) IsPrivate() bool {
+	return this.number == PrivateApiLevel.number
+}
+
+// EffectiveVersion converts an ApiLevel into the concrete ApiLevel that the module should use. For
+// modules targeting an unreleased SDK (meaning it does not yet have a number) it returns
+// FutureApiLevel(10000).
+func (l ApiLevel) EffectiveVersion(ctx EarlyModuleContext) (ApiLevel, error) {
+	if l.EqualTo(InvalidApiLevel) {
+		return l, fmt.Errorf("invalid version in sdk_version %q", l.value)
+	}
+	if !l.IsPreview() {
+		return l, nil
+	}
+	ret := ctx.Config().DefaultAppTargetSdk(ctx)
+	if ret.IsPreview() {
+		return FutureApiLevel, nil
+	}
+	return ret, nil
+}
+
+// EffectiveVersionString converts an SdkSpec into the concrete version string that the module
+// should use. For modules targeting an unreleased SDK (meaning it does not yet have a number)
+// it returns the codename (P, Q, R, etc.)
+func (l ApiLevel) EffectiveVersionString(ctx EarlyModuleContext) (string, error) {
+	if l.EqualTo(InvalidApiLevel) {
+		return l.value, fmt.Errorf("invalid version in sdk_version %q", l.value)
+	}
+	if !l.IsPreview() {
+		return l.String(), nil
+	}
+	// Determine the default sdk
+	ret := ctx.Config().DefaultAppTargetSdk(ctx)
+	if !ret.IsPreview() {
+		// If the default sdk has been finalized, return that
+		return ret.String(), nil
+	}
+	// There can be more than one active in-development sdks
+	// If an app is targeting an active sdk, but not the default one, return the requested active sdk.
+	// e.g.
+	// SETUP
+	// In-development: UpsideDownCake, VanillaIceCream
+	// Default: VanillaIceCream
+	// Android.bp
+	// min_sdk_version: `UpsideDownCake`
+	// RETURN
+	// UpsideDownCake and not VanillaIceCream
+	for _, preview := range ctx.Config().PreviewApiLevels() {
+		if l.String() == preview.String() {
+			return preview.String(), nil
+		}
+	}
+	// Otherwise return the default one
+	return ret.String(), nil
+}
+
 // Returns -1 if the current API level is less than the argument, 0 if they
 // are equal, and 1 if it is greater than the argument.
 func (this ApiLevel) CompareTo(other ApiLevel) int {
@@ -166,6 +238,19 @@
 	isPreview: true,
 }
 
+// Sentinel ApiLevel to validate that an apiLevel is either an int or a recognized codename.
+var InvalidApiLevel = NewInvalidApiLevel("invalid")
+
+// Returns an apiLevel object at the same level as InvalidApiLevel.
+// The object contains the raw string provied in bp file, and can be used for error handling.
+func NewInvalidApiLevel(raw string) ApiLevel {
+	return ApiLevel{
+		value:     raw,
+		number:    -2, // One less than NoneApiLevel
+		isPreview: true,
+	}
+}
+
 // The first version that introduced 64-bit ABIs.
 var FirstLp64Version = uncheckedFinalApiLevel(21)
 
diff --git a/android/arch.go b/android/arch.go
index 6acf9cf..4b4691b 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -1694,6 +1694,7 @@
 	return []archConfig{
 		{"arm64", "armv8-a-branchprot", "", []string{"arm64-v8a"}},
 		{"arm", "armv7-a-neon", "", []string{"armeabi-v7a"}},
+		{"riscv64", "", "", []string{"riscv64"}},
 		{"x86_64", "", "", []string{"x86_64"}},
 		{"x86", "", "", []string{"x86"}},
 	}
diff --git a/android/bazel.go b/android/bazel.go
index 782632b..1646883 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -357,6 +357,8 @@
 	mixedBuildEnabled := ctx.Config().IsMixedBuildsEnabled() &&
 		ctx.Os() != Windows && // Windows toolchains are not currently supported.
 		ctx.Os() != LinuxBionic && // Linux Bionic toolchains are not currently supported.
+		ctx.Os() != LinuxMusl && // Linux musl toolchains are not currently supported (b/259266326).
+		ctx.Arch().ArchType != Riscv64 && // TODO(b/262192655) Riscv64 toolchains are not currently supported.
 		module.Enabled() &&
 		convertedToBazel(ctx, module) &&
 		ctx.Config().BazelContext.IsModuleNameAllowed(module.Name(), withinApex)
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 66832d5..44dc055 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -736,15 +736,6 @@
 		// TODO(asmundak): is it needed in every build?
 		"--profile=" + shared.BazelMetricsFilename(paths, runName),
 
-		// Set default platforms to canonicalized values for mixed builds requests.
-		// If these are set in the bazelrc, they will have values that are
-		// non-canonicalized to @sourceroot labels, and thus be invalid when
-		// referenced from the buildroot.
-		//
-		// The actual platform values here may be overridden by configuration
-		// transitions from the buildroot.
-		fmt.Sprintf("--extra_toolchains=%s", "//prebuilts/clang/host/linux-x86:all"),
-
 		// We don't need to set --host_platforms because it's set in bazelrc files
 		// that the bazel shell script wrapper passes
 
@@ -1009,39 +1000,6 @@
 	formatString := `
 # This file is generated by soong_build. Do not edit.
 
-# a drop-in replacement for json.encode(), not available in cquery environment
-# TODO(cparsons): bring json module in and remove this function
-def json_encode(input):
-  # Avoiding recursion by limiting
-  #  - a dict to contain anything except a dict
-  #  - a list to contain only primitives
-  def encode_primitive(p):
-    t = type(p)
-    if t == "string" or t == "int":
-      return repr(p)
-    fail("unsupported value '%s' of type '%s'" % (p, type(p)))
-
-  def encode_list(list):
-    items = []
-    for item in list:
-        if type(item) == "dict":
-            # support encoding dict of primitive keys and values. not list currently, because calling encode_list again is recursive.
-            kv_pairs = [("%s: %s" % (encode_primitive(k), encode_primitive(v))) for (k, v) in item.items()]
-            items.append("{ %s }" % ", ".join(kv_pairs))
-        else:
-            items.append(encode_primitive(item))
-    return "[%s]" % ", ".join(items)
-
-  def encode_list_or_primitive(v):
-    return encode_list(v) if type(v) == "list" else encode_primitive(v)
-
-  if type(input) == "dict":
-    # TODO(juu): the result is read line by line so can't use '\n' yet
-    kv_pairs = [("%s: %s" % (encode_primitive(k), encode_list_or_primitive(v))) for (k, v) in input.items()]
-    return "{ %s }" % ", ".join(kv_pairs)
-  else:
-    return encode_list_or_primitive(input)
-
 {LABEL_REGISTRATION_MAP_SECTION}
 
 {FUNCTION_DEF_SECTION}
diff --git a/android/config.go b/android/config.go
index 292fcf2..593812c 100644
--- a/android/config.go
+++ b/android/config.go
@@ -52,6 +52,15 @@
 // FutureApiLevelInt is a placeholder constant for unreleased API levels.
 const FutureApiLevelInt = 10000
 
+// PrivateApiLevel represents the api level of SdkSpecPrivate (sdk_version: "")
+// This api_level exists to differentiate user-provided "" from "current" sdk_version
+// The differentiation is necessary to enable different validation rules for these two possible values.
+var PrivateApiLevel = ApiLevel{
+	value:     "current",             // The value is current since aidl expects `current` as the default (TestAidlFlagsWithMinSdkVersion)
+	number:    FutureApiLevelInt + 1, // This is used to differentiate it from FutureApiLevel
+	isPreview: true,
+}
+
 // FutureApiLevel represents unreleased API levels.
 var FutureApiLevel = ApiLevel{
 	value:     "current",
diff --git a/android/module.go b/android/module.go
index b45ed95..76fe8dc 100644
--- a/android/module.go
+++ b/android/module.go
@@ -37,26 +37,64 @@
 	DeviceStaticLibrary = "static_library"
 )
 
+// BuildParameters describes the set of potential parameters to build a Ninja rule.
+// In general, these correspond to a Ninja concept.
 type BuildParams struct {
-	Rule            blueprint.Rule
-	Deps            blueprint.Deps
-	Depfile         WritablePath
-	Description     string
-	Output          WritablePath
-	Outputs         WritablePaths
-	SymlinkOutput   WritablePath
-	SymlinkOutputs  WritablePaths
-	ImplicitOutput  WritablePath
+	// A Ninja Rule that will be written to the Ninja file. This allows factoring out common code
+	// among multiple modules to reduce repetition in the Ninja file of action requirements. A rule
+	// can contain variables that should be provided in Args.
+	Rule blueprint.Rule
+	// Deps represents the depfile format. When using RuleBuilder, this defaults to GCC when depfiles
+	// are used.
+	Deps blueprint.Deps
+	// Depfile is a writeable path that allows correct incremental builds when the inputs have not
+	// been fully specified by the Ninja rule. Ninja supports a subset of the Makefile depfile syntax.
+	Depfile WritablePath
+	// A description of the build action.
+	Description string
+	// Output is an output file of the action. When using this field, references to $out in the Ninja
+	// command will refer to this file.
+	Output WritablePath
+	// Outputs is a slice of output file of the action. When using this field, references to $out in
+	// the Ninja command will refer to these files.
+	Outputs WritablePaths
+	// SymlinkOutput is an output file specifically that is a symlink.
+	SymlinkOutput WritablePath
+	// SymlinkOutputs is a slice of output files specifically that is a symlink.
+	SymlinkOutputs WritablePaths
+	// ImplicitOutput is an output file generated by the action. Note: references to `$out` in the
+	// Ninja command will NOT include references to this file.
+	ImplicitOutput WritablePath
+	// ImplicitOutputs is a slice of output files generated by the action. Note: references to `$out`
+	// in the Ninja command will NOT include references to these files.
 	ImplicitOutputs WritablePaths
-	Input           Path
-	Inputs          Paths
-	Implicit        Path
-	Implicits       Paths
-	OrderOnly       Paths
-	Validation      Path
-	Validations     Paths
-	Default         bool
-	Args            map[string]string
+	// Input is an input file to the Ninja action. When using this field, references to $in in the
+	// Ninja command will refer to this file.
+	Input Path
+	// Inputs is a slice of input files to the Ninja action. When using this field, references to $in
+	// in the Ninja command will refer to these files.
+	Inputs Paths
+	// Implicit is an input file to the Ninja action. Note: references to `$in` in the Ninja command
+	// will NOT include references to this file.
+	Implicit Path
+	// Implicits is a slice of input files to the Ninja action. Note: references to `$in` in the Ninja
+	// command will NOT include references to these files.
+	Implicits Paths
+	// OrderOnly are Ninja order-only inputs to the action. When these are out of date, the output is
+	// not rebuilt until they are built, but changes in order-only dependencies alone do not cause the
+	// output to be rebuilt.
+	OrderOnly Paths
+	// Validation is an output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validation Path
+	// Validations is a slice of output path for a validation action. Validation outputs imply lower
+	// non-blocking priority to building non-validation outputs.
+	Validations Paths
+	// Whether to skip outputting a default target statement which will be built by Ninja when no
+	// targets are specified on Ninja's command line.
+	Default bool
+	// Args is a key value mapping for replacements of variables within the Rule
+	Args map[string]string
 }
 
 type ModuleBuildParams BuildParams
@@ -505,8 +543,8 @@
 	PartitionTag(DeviceConfig) string
 	HideFromMake()
 	IsHideFromMake() bool
-	SkipInstall()
 	IsSkipInstall() bool
+	MakeUninstallable()
 	ReplacedByPrebuilt()
 	IsReplacedByPrebuilt() bool
 	ExportedToMake() bool
@@ -1964,6 +2002,15 @@
 	return m.commonProperties.SkipInstall
 }
 
+// Similar to HideFromMake, but if the AndroidMk entry would set
+// LOCAL_UNINSTALLABLE_MODULE then this variant may still output that entry
+// rather than leaving it out altogether. That happens in cases where it would
+// have other side effects, in particular when it adds a NOTICE file target,
+// which other install targets might depend on.
+func (m *ModuleBase) MakeUninstallable() {
+	m.HideFromMake()
+}
+
 func (m *ModuleBase) ReplacedByPrebuilt() {
 	m.commonProperties.ReplacedByPrebuilt = true
 	m.HideFromMake()
diff --git a/android/packaging_test.go b/android/packaging_test.go
index f32d1c3..91ac1f3 100644
--- a/android/packaging_test.go
+++ b/android/packaging_test.go
@@ -15,7 +15,6 @@
 package android
 
 import (
-	"strings"
 	"testing"
 
 	"github.com/google/blueprint"
@@ -29,8 +28,6 @@
 		Deps         []string
 		Skip_install *bool
 	}
-
-	builtFile Path
 }
 
 // dep tag used in this test. All dependencies are considered as installable.
@@ -51,21 +48,13 @@
 }
 
 func (m *componentTestModule) GenerateAndroidBuildActions(ctx ModuleContext) {
-	m.builtFile = PathForModuleOut(ctx, m.Name())
+	builtFile := PathForModuleOut(ctx, m.Name())
 	dir := ctx.Target().Arch.ArchType.Multilib
 	installDir := PathForModuleInstall(ctx, dir)
 	if proptools.Bool(m.props.Skip_install) {
 		m.SkipInstall()
 	}
-	ctx.InstallFile(installDir, m.Name(), m.builtFile)
-}
-
-func (m *componentTestModule) AndroidMkEntries() []AndroidMkEntries {
-	return []AndroidMkEntries{
-		{
-			OutputFile: OptionalPathForPath(m.builtFile),
-		},
-	}
+	ctx.InstallFile(installDir, m.Name(), builtFile)
 }
 
 // Module that itself is a package
@@ -262,35 +251,6 @@
 		`, []string{"lib32/foo", "lib64/foo", "lib64/bar"})
 }
 
-func TestSkipInstallProducesLocalUninstallableModule(t *testing.T) {
-	result := GroupFixturePreparers(
-		PrepareForTestWithArchMutator,
-		FixtureRegisterWithContext(func(ctx RegistrationContext) {
-			ctx.RegisterModuleType("component", componentTestModuleFactory)
-			ctx.RegisterModuleType("package_module", packageTestModuleFactory)
-		}),
-		FixtureWithRootAndroidBp(`
-component {
-	name: "foo",
-	skip_install: true,
-}
-
-package_module {
-	name: "package",
-	deps: ["foo"],
-}
-`),
-	).RunTest(t)
-	module := result.ModuleForTests("foo", "android_arm64_armv8-a").Module().(*componentTestModule)
-	entries := AndroidMkEntriesForTest(t, result.TestContext, module)
-	builder := &strings.Builder{}
-	entries[0].write(builder)
-	androidMkString := builder.String()
-	if !strings.Contains(androidMkString, "LOCAL_UNINSTALLABLE_MODULE := true") {
-		t.Errorf("Expected android mk entries to contain \"LOCAL_UNINSTALLABLE_MODULE := true\", got: \n%s", androidMkString)
-	}
-}
-
 func TestPackagingBaseSingleTarget(t *testing.T) {
 	multiTarget := false
 	runPackagingTest(t, multiTarget,
diff --git a/android/sdk_version.go b/android/sdk_version.go
index a7e03dc..ab6e4f7 100644
--- a/android/sdk_version.go
+++ b/android/sdk_version.go
@@ -84,6 +84,40 @@
 	}
 }
 
+// JavaLibraryName returns the soong module containing the Java APIs of that API surface.
+func (k SdkKind) JavaLibraryName(c Config) string {
+	name := k.defaultJavaLibraryName()
+	return JavaLibraryNameFromText(c, name)
+}
+
+// JavaLibraryNameFromText returns the name of .txt equivalent of a java_library, but does
+// not check if either module exists.
+// TODO: Return .txt (single-tree or multi-tree equivalents) based on config
+func JavaLibraryNameFromText(c Config, name string) string {
+	// This returns the default for now.
+	// TODO: Implement this
+	return name
+}
+
+func (k SdkKind) defaultJavaLibraryName() string {
+	switch k {
+	case SdkPublic:
+		return "android_stubs_current"
+	case SdkSystem:
+		return "android_system_stubs_current"
+	case SdkTest:
+		return "android_test_stubs_current"
+	case SdkCore:
+		return "core.current.stubs"
+	case SdkModule:
+		return "android_module_lib_stubs_current"
+	case SdkSystemServer:
+		return "android_system_server_stubs_current"
+	default:
+		panic(fmt.Errorf("APIs of API surface %v cannot be provided by a single Soong module\n", k))
+	}
+}
+
 // SdkSpec represents the kind and the version of an SDK for a module to build against
 type SdkSpec struct {
 	Kind     SdkKind
@@ -187,14 +221,7 @@
 	if ctx.DeviceSpecific() || ctx.SocSpecific() {
 		s = s.ForVendorPartition(ctx)
 	}
-	if !s.ApiLevel.IsPreview() {
-		return s.ApiLevel, nil
-	}
-	ret := ctx.Config().DefaultAppTargetSdk(ctx)
-	if ret.IsPreview() {
-		return FutureApiLevel, nil
-	}
-	return ret, nil
+	return s.ApiLevel.EffectiveVersion(ctx)
 }
 
 // EffectiveVersionString converts an SdkSpec into the concrete version string that the module
@@ -208,37 +235,12 @@
 	if ctx.DeviceSpecific() || ctx.SocSpecific() {
 		s = s.ForVendorPartition(ctx)
 	}
-	if !s.ApiLevel.IsPreview() {
-		return s.ApiLevel.String(), nil
-	}
-	// Determine the default sdk
-	ret := ctx.Config().DefaultAppTargetSdk(ctx)
-	if !ret.IsPreview() {
-		// If the default sdk has been finalized, return that
-		return ret.String(), nil
-	}
-	// There can be more than one active in-development sdks
-	// If an app is targeting an active sdk, but not the default one, return the requested active sdk.
-	// e.g.
-	// SETUP
-	// In-development: UpsideDownCake, VanillaIceCream
-	// Default: VanillaIceCream
-	// Android.bp
-	// min_sdk_version: `UpsideDownCake`
-	// RETURN
-	// UpsideDownCake and not VanillaIceCream
-	for _, preview := range ctx.Config().PreviewApiLevels() {
-		if s.ApiLevel.String() == preview.String() {
-			return preview.String(), nil
-		}
-	}
-	// Otherwise return the default one
-	return ret.String(), nil
+	return s.ApiLevel.EffectiveVersionString(ctx)
 }
 
 var (
 	SdkSpecNone         = SdkSpec{SdkNone, NoneApiLevel, "(no version)"}
-	SdkSpecPrivate      = SdkSpec{SdkPrivate, FutureApiLevel, ""}
+	SdkSpecPrivate      = SdkSpec{SdkPrivate, PrivateApiLevel, ""}
 	SdkSpecCorePlatform = SdkSpec{SdkCorePlatform, FutureApiLevel, "core_platform"}
 )
 
@@ -261,7 +263,7 @@
 
 		var kindString string
 		if sep == 0 {
-			return SdkSpec{SdkInvalid, NoneApiLevel, str}
+			return SdkSpec{SdkInvalid, NewInvalidApiLevel(str), str}
 		} else if sep == -1 {
 			kindString = ""
 		} else {
@@ -289,7 +291,7 @@
 
 		apiLevel, err := ApiLevelFromUserWithConfig(config, versionString)
 		if err != nil {
-			return SdkSpec{SdkInvalid, apiLevel, str}
+			return SdkSpec{SdkInvalid, NewInvalidApiLevel(versionString), str}
 		}
 		return SdkSpec{kind, apiLevel, str}
 	}
diff --git a/android/sdk_version_test.go b/android/sdk_version_test.go
index ec81782..ea99c4d 100644
--- a/android/sdk_version_test.go
+++ b/android/sdk_version_test.go
@@ -37,11 +37,11 @@
 		},
 		{
 			input:    "_",
-			expected: "invalid_(no version)",
+			expected: "invalid__",
 		},
 		{
 			input:    "_31",
-			expected: "invalid_(no version)",
+			expected: "invalid__31",
 		},
 		{
 			input:    "system_R",
diff --git a/apex/apex.go b/apex/apex.go
index b2ca6c4..957c94b 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -993,6 +993,9 @@
 		if !useVndk {
 			mctx.PropertyErrorf("use_vndk_as_stable", "not supported for system/system_ext APEXes")
 		}
+		if a.minSdkVersionValue(mctx) != "" {
+			mctx.PropertyErrorf("use_vndk_as_stable", "not supported when min_sdk_version is set")
+		}
 		mctx.VisitDirectDepsWithTag(sharedLibTag, func(dep android.Module) {
 			if c, ok := dep.(*cc.Module); ok && c.IsVndk() {
 				mctx.PropertyErrorf("use_vndk_as_stable", "Trying to include a VNDK library(%s) while use_vndk_as_stable is true.", dep.Name())
@@ -1939,7 +1942,7 @@
 var _ android.MixedBuildBuildable = (*apexBundle)(nil)
 
 func (a *apexBundle) IsMixedBuildSupported(ctx android.BaseModuleContext) bool {
-	return ctx.ModuleType() == "apex" && a.properties.ApexType == imageApex
+	return a.properties.ApexType == imageApex
 }
 
 func (a *apexBundle) QueueBazelCall(ctx android.BaseModuleContext) {
@@ -3025,8 +3028,8 @@
 		if a.UsePlatformApis() {
 			ctx.PropertyErrorf("updatable", "updatable APEXes can't use platform APIs")
 		}
-		if a.SocSpecific() || a.DeviceSpecific() {
-			ctx.PropertyErrorf("updatable", "vendor APEXes are not updatable")
+		if proptools.Bool(a.properties.Use_vndk_as_stable) {
+			ctx.PropertyErrorf("use_vndk_as_stable", "updatable APEXes can't use external VNDK libs")
 		}
 		if a.FutureUpdatable() {
 			ctx.PropertyErrorf("future_updatable", "Already updatable. Remove `future_updatable: true:`")
diff --git a/apex/apex_test.go b/apex/apex_test.go
index 1f33eca..c9665a4 100644
--- a/apex/apex_test.go
+++ b/apex/apex_test.go
@@ -1927,13 +1927,13 @@
 	expectNoLink("libx", "shared_apex10000", "libz", "shared")
 }
 
-func TestApexMinSdkVersion_crtobjectInVendorApex(t *testing.T) {
+func TestApexMinSdkVersion_InVendorApex(t *testing.T) {
 	ctx := testApex(t, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
 			native_shared_libs: ["mylib"],
-			updatable: false,
+			updatable: true,
 			vendor: true,
 			min_sdk_version: "29",
 		}
@@ -1946,20 +1946,34 @@
 
 		cc_library {
 			name: "mylib",
+			srcs: ["mylib.cpp"],
 			vendor_available: true,
-			system_shared_libs: [],
-			stl: "none",
-			apex_available: [ "myapex" ],
 			min_sdk_version: "29",
+			shared_libs: ["libbar"],
+		}
+
+		cc_library {
+			name: "libbar",
+			stubs: { versions: ["29", "30"] },
+			llndk: { symbol_file: "libbar.map.txt" },
 		}
 	`)
 
 	vendorVariant := "android_vendor.29_arm64_armv8-a"
 
-	// First check that the correct variant of crtbegin_so is used.
-	ldRule := ctx.ModuleForTests("mylib", vendorVariant+"_shared_apex29").Rule("ld")
-	crtBegin := names(ldRule.Args["crtBegin"])
-	ensureListContains(t, crtBegin, "out/soong/.intermediates/"+cc.DefaultCcCommonTestModulesDir+"crtbegin_so/"+vendorVariant+"_apex29/crtbegin_so.o")
+	mylib := ctx.ModuleForTests("mylib", vendorVariant+"_shared_myapex")
+
+	// Ensure that mylib links with "current" LLNDK
+	libFlags := names(mylib.Rule("ld").Args["libFlags"])
+	ensureListContains(t, libFlags, "out/soong/.intermediates/libbar/"+vendorVariant+"_shared_current/libbar.so")
+
+	// Ensure that mylib is targeting 29
+	ccRule := ctx.ModuleForTests("mylib", vendorVariant+"_static_apex29").Output("obj/mylib.o")
+	ensureContains(t, ccRule.Args["cFlags"], "-target aarch64-linux-android29")
+
+	// Ensure that the correct variant of crtbegin_so is used.
+	crtBegin := mylib.Rule("ld").Args["crtBegin"]
+	ensureContains(t, crtBegin, "out/soong/.intermediates/"+cc.DefaultCcCommonTestModulesDir+"crtbegin_so/"+vendorVariant+"_apex29/crtbegin_so.o")
 
 	// Ensure that the crtbegin_so used by the APEX is targeting 29
 	cflags := ctx.ModuleForTests("crtbegin_so", vendorVariant+"_apex29").Rule("cc").Args["cFlags"]
@@ -7860,12 +7874,13 @@
 	`)
 }
 
-func TestUpdatable_cannot_be_vendor_apex(t *testing.T) {
-	testApexError(t, `"myapex" .*: updatable: vendor APEXes are not updatable`, `
+func Test_use_vndk_as_stable_shouldnt_be_used_for_updatable_vendor_apexes(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: updatable APEXes can't use external VNDK libs`, `
 		apex {
 			name: "myapex",
 			key: "myapex.key",
 			updatable: true,
+			use_vndk_as_stable: true,
 			soc_specific: true,
 		}
 
@@ -7877,6 +7892,42 @@
 	`)
 }
 
+func Test_use_vndk_as_stable_shouldnt_be_used_with_min_sdk_version(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: not supported when min_sdk_version is set`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			updatable: false,
+			min_sdk_version: "29",
+			use_vndk_as_stable: true,
+			vendor: true,
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+	`)
+}
+
+func Test_use_vndk_as_stable_shouldnt_be_used_for_non_vendor_apexes(t *testing.T) {
+	testApexError(t, `"myapex" .*: use_vndk_as_stable: not supported for system/system_ext APEXes`, `
+		apex {
+			name: "myapex",
+			key: "myapex.key",
+			updatable: false,
+			use_vndk_as_stable: true,
+		}
+
+		apex_key {
+			name: "myapex.key",
+			public_key: "testkey.avbpubkey",
+			private_key: "testkey.pem",
+		}
+	`)
+}
+
 func TestUpdatable_should_not_set_generate_classpaths_proto(t *testing.T) {
 	testApexError(t, `"mysystemserverclasspathfragment" .* it must not set generate_classpaths_proto to false`, `
 		apex {
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index 0997a68..cae507e 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -35,11 +35,12 @@
 		blueprint.RuleParams{
 			Command: `rm -rf "$out" && ` +
 				`${extract_apks} -o "${out}" -allow-prereleased=${allow-prereleased} ` +
-				`-sdk-version=${sdk-version} -abis=${abis} -screen-densities=all -extract-single ` +
+				`-sdk-version=${sdk-version} -skip-sdk-check=${skip-sdk-check} -abis=${abis} ` +
+				`-screen-densities=all -extract-single ` +
 				`${in}`,
 			CommandDeps: []string{"${extract_apks}"},
 		},
-		"abis", "allow-prereleased", "sdk-version")
+		"abis", "allow-prereleased", "sdk-version", "skip-sdk-check")
 )
 
 type prebuilt interface {
@@ -845,6 +846,7 @@
 				"abis":              strings.Join(abis, ","),
 				"allow-prereleased": strconv.FormatBool(proptools.BoolDefault(p.properties.Prerelease, defaultAllowPrerelease)),
 				"sdk-version":       ctx.Config().PlatformSdkVersion().String(),
+				"skip-sdk-check":    strconv.FormatBool(ctx.Config().IsEnvTrue("SOONG_SKIP_APPSET_SDK_CHECK")),
 			},
 		})
 }
diff --git a/bazel/cquery/request_type.go b/bazel/cquery/request_type.go
index cf649a4..bf3a6b5 100644
--- a/bazel/cquery/request_type.go
+++ b/bazel/cquery/request_type.go
@@ -197,7 +197,7 @@
     local_whole_static_libs = androidmk_info.local_whole_static_libs
     local_shared_libs = androidmk_info.local_shared_libs
 
-return json_encode({
+return json.encode({
     "OutputFiles": outputFiles,
     "CcObjectFiles": ccObjectFiles,
     "CcSharedLibraryFiles": sharedLibraries,
@@ -266,7 +266,7 @@
 if clang_tidy_info:
     tidy_files = [v.path for v in clang_tidy_info.transitive_tidy_files.to_list()]
 
-return json_encode({
+return json.encode({
     "signed_output": info.signed_output.path,
     "signed_compressed_output": signed_compressed_output,
     "unsigned_output": info.unsigned_output.path,
@@ -335,7 +335,7 @@
 unstripped_tag = "//build/bazel/rules/cc:stripped_cc_common.bzl%CcUnstrippedInfo"
 if unstripped_tag in p:
     unstripped_info = p[unstripped_tag]
-    unstripped = unstripped_info.unstripped.files.to_list()[0].path
+    unstripped = unstripped_info.unstripped[0].files.to_list()[0].path
 
 local_static_libs = []
 local_whole_static_libs = []
@@ -352,7 +352,7 @@
 if clang_tidy_info:
     tidy_files = [v.path for v in clang_tidy_info.transitive_tidy_files.to_list()]
 
-return json_encode({
+return json.encode({
     "OutputFile":  output_path,
     "UnstrippedOutput": unstripped,
     "LocalStaticLibs": [l for l in local_static_libs],
diff --git a/bp2build/android_app_conversion_test.go b/bp2build/android_app_conversion_test.go
index 03b3d2b..ef3f124 100644
--- a/bp2build/android_app_conversion_test.go
+++ b/bp2build/android_app_conversion_test.go
@@ -344,3 +344,50 @@
 			}),
 		}})
 }
+
+func TestAndroidAppMinSdkProvided(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app with value for min_sdk_version",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "foo",
+        sdk_version: "current",
+				min_sdk_version: "24",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "foo", AttrNameToString{
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+				"manifest_values": `{
+        "minSdkVersion": "24",
+    }`,
+			}),
+		}})
+}
+
+func TestAndroidAppMinSdkDefaultToSdkVersion(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app with value for sdk_version",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "foo",
+        sdk_version: "30",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "foo", AttrNameToString{
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+				"manifest_values": `{
+        "minSdkVersion": "30",
+    }`,
+			}),
+		}})
+}
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 7ea1c1c..48e93cd 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -3591,42 +3591,57 @@
 	})
 }
 
-func TestCcLibraryWithAidlAndSharedLibs(t *testing.T) {
+func TestCcLibraryWithAidlAndLibs(t *testing.T) {
 	runCcLibraryTestCase(t, Bp2buildTestCase{
-		Description:                "cc_aidl_library depends on shared libs from parent cc_library_static",
+		Description:                "cc_aidl_library depends on libs from parent cc_library_static",
 		ModuleTypeUnderTest:        "cc_library",
 		ModuleTypeUnderTestFactory: cc.LibraryFactory,
 		Blueprint: `
 cc_library_static {
-    name: "foo",
-    srcs: [
-        "Foo.aidl",
-    ],
+	name: "foo",
+	srcs: [
+		"Foo.aidl",
+	],
+	static_libs: [
+		"bar-static",
+		"baz-static",
+	],
 	shared_libs: [
-		"bar",
-		"baz",
+		"bar-shared",
+		"baz-shared",
+	],
+	export_static_lib_headers: [
+		"baz-static",
 	],
 	export_shared_lib_headers: [
-		"baz",
+		"baz-shared",
 	],
 }` +
-			simpleModuleDoNotConvertBp2build("cc_library", "bar") +
-			simpleModuleDoNotConvertBp2build("cc_library", "baz"),
+			simpleModuleDoNotConvertBp2build("cc_library_static", "bar-static") +
+			simpleModuleDoNotConvertBp2build("cc_library_static", "baz-static") +
+			simpleModuleDoNotConvertBp2build("cc_library", "bar-shared") +
+			simpleModuleDoNotConvertBp2build("cc_library", "baz-shared"),
 		ExpectedBazelTargets: []string{
 			MakeBazelTarget("aidl_library", "foo_aidl_library", AttrNameToString{
 				"srcs": `["Foo.aidl"]`,
 			}),
 			MakeBazelTarget("cc_aidl_library", "foo_cc_aidl_library", AttrNameToString{
 				"deps": `[":foo_aidl_library"]`,
+				"implementation_deps": `[
+        ":baz-static",
+        ":bar-static",
+    ]`,
 				"implementation_dynamic_deps": `[
-        ":baz",
-        ":bar",
+        ":baz-shared",
+        ":bar-shared",
     ]`,
 			}),
 			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
 				"implementation_whole_archive_deps": `[":foo_cc_aidl_library"]`,
-				"dynamic_deps":                      `[":baz"]`,
-				"implementation_dynamic_deps":       `[":bar"]`,
+				"deps":                              `[":baz-static"]`,
+				"implementation_deps":               `[":bar-static"]`,
+				"dynamic_deps":                      `[":baz-shared"]`,
+				"implementation_dynamic_deps":       `[":bar-shared"]`,
 				"local_includes":                    `["."]`,
 			}),
 		},
diff --git a/cc/binary.go b/cc/binary.go
index 496c610..097f822 100644
--- a/cc/binary.go
+++ b/cc/binary.go
@@ -512,7 +512,7 @@
 		}
 		binary.baseInstaller.subDir = "bootstrap"
 	}
-	binary.baseInstaller.install(ctx, file)
+	binary.baseInstaller.installExecutable(ctx, file)
 
 	var preferredArchSymlinkPath android.OptionalPath
 	for _, symlink := range binary.symlinks {
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 67a697a..03d9de8 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -917,15 +917,12 @@
 
 		if !aidlLibs.IsEmpty() {
 			ccAidlLibrarylabel := m.Name() + "_cc_aidl_library"
-			// Since cc_aidl_library only needs the dynamic deps (aka shared libs) from the parent cc library for compiling,
-			// we err on the side of not re-exporting the headers of the dynamic deps from cc_aidl_lirary
-			// because the parent cc library already has all the dynamic deps
-			implementationDynamicDeps := bazel.MakeLabelListAttribute(
-				bazel.AppendBazelLabelLists(
-					linkerAttrs.dynamicDeps.Value,
-					linkerAttrs.implementationDynamicDeps.Value,
-				),
-			)
+			// Since parent cc_library already has these dependencies, we can add them as implementation
+			// deps so that they don't re-export
+			implementationDeps := linkerAttrs.deps.Clone()
+			implementationDeps.Append(linkerAttrs.implementationDeps)
+			implementationDynamicDeps := linkerAttrs.dynamicDeps.Clone()
+			implementationDynamicDeps.Append(linkerAttrs.implementationDynamicDeps)
 
 			ctx.CreateBazelTargetModule(
 				bazel.BazelTargetModuleProperties{
@@ -935,7 +932,8 @@
 				android.CommonAttributes{Name: ccAidlLibrarylabel},
 				&ccAidlLibraryAttributes{
 					Deps:                        aidlLibs,
-					Implementation_dynamic_deps: implementationDynamicDeps,
+					Implementation_deps:         *implementationDeps,
+					Implementation_dynamic_deps: *implementationDynamicDeps,
 				},
 			)
 			label := &bazel.LabelAttribute{
diff --git a/cc/cc.go b/cc/cc.go
index 6e2a3dd..b029d71 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -609,6 +609,7 @@
 	inSanitizerDir() bool
 	hostToolPath() android.OptionalPath
 	relativeInstallPath() string
+	makeUninstallable(mod *Module)
 	installInRoot() bool
 }
 
@@ -2953,7 +2954,7 @@
 		ctx.VisitDirectDeps(func(dep android.Module) {
 			depName := ctx.OtherModuleName(dep)
 			if apiLibrary, ok := targetOrigModuleList[depName]; ok {
-				if shouldUseStubForApex(ctx, dep) {
+				if ShouldUseStubForApex(ctx, dep) {
 					skipModuleList[depName] = true
 				} else {
 					skipModuleList[apiLibrary] = true
@@ -3306,7 +3307,7 @@
 	return depPaths
 }
 
-func shouldUseStubForApex(ctx android.ModuleContext, dep android.Module) bool {
+func ShouldUseStubForApex(ctx android.ModuleContext, dep android.Module) bool {
 	depName := ctx.OtherModuleName(dep)
 	thisModule, ok := ctx.Module().(android.ApexModule)
 	if !ok {
@@ -3408,7 +3409,7 @@
 
 	if !libDepTag.explicitlyVersioned && len(sharedLibraryStubsInfo.SharedStubLibraries) > 0 {
 		// when to use (unspecified) stubs, use the latest one.
-		if shouldUseStubForApex(ctx, dep) {
+		if ShouldUseStubForApex(ctx, dep) {
 			stubs := sharedLibraryStubsInfo.SharedStubLibraries
 			toUse := stubs[len(stubs)-1]
 			sharedLibraryInfo = toUse.SharedLibraryInfo
@@ -3524,6 +3525,14 @@
 	return c.InRecovery()
 }
 
+func (c *Module) MakeUninstallable() {
+	if c.installer == nil {
+		c.ModuleBase.MakeUninstallable()
+		return
+	}
+	c.installer.makeUninstallable(c)
+}
+
 func (c *Module) HostToolPath() android.OptionalPath {
 	if c.installer == nil {
 		return android.OptionalPath{}
@@ -3861,6 +3870,7 @@
 	// When a vendor APEX needs a VNDK lib in it (use_vndk_as_stable: false), it should be a unique
 	// APEX variation. Otherwise, another vendor APEX with use_vndk_as_stable:true may use a wrong
 	// variation of the VNDK lib because APEX variations are merged/grouped.
+	// TODO(b/274401041) Find a way to merge APEX variations for vendor apexes.
 	return c.UseVndk() && c.IsVndk()
 }
 
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
index b3619c8..35c57f9 100644
--- a/cc/config/riscv64_device.go
+++ b/cc/config/riscv64_device.go
@@ -26,12 +26,16 @@
 		// Help catch common 32/64-bit errors.
 		"-Werror=implicit-function-declaration",
 		"-fno-emulated-tls",
+		// For -fsanitize=shadow-call-stack.
+		"-ffixed-x18",
 	}
 
 	riscv64ArchVariantCflags = map[string][]string{}
 
 	riscv64Ldflags = []string{
 		"-Wl,--hash-style=gnu",
+		// For -fsanitize=shadow-call-stack.
+		"-ffixed-x18",
 	}
 
 	riscv64Lldflags = append(riscv64Ldflags,
diff --git a/cc/coverage.go b/cc/coverage.go
index a7356f8..c0f6973 100644
--- a/cc/coverage.go
+++ b/cc/coverage.go
@@ -219,10 +219,14 @@
 	return properties
 }
 
-// Coverage is an interface for non-CC modules to implement to be mutated for coverage
-type Coverage interface {
+type UseCoverage interface {
 	android.Module
 	IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool
+}
+
+// Coverage is an interface for non-CC modules to implement to be mutated for coverage
+type Coverage interface {
+	UseCoverage
 	SetPreventInstall()
 	HideFromMake()
 	MarkAsCoverageVariant(bool)
@@ -261,6 +265,11 @@
 
 		m[1].(Coverage).MarkAsCoverageVariant(true)
 		m[1].(Coverage).EnableCoverageIfNeeded()
+	} else if cov, ok := mctx.Module().(UseCoverage); ok && cov.IsNativeCoverageNeeded(mctx) {
+		// Module itself doesn't have to have "cov" variant, but it should use "cov" variants of
+		// deps.
+		mctx.CreateVariations("cov")
+		mctx.AliasVariation("cov")
 	}
 }
 
diff --git a/cc/installer.go b/cc/installer.go
index c3618b7..716a0df 100644
--- a/cc/installer.go
+++ b/cc/installer.go
@@ -100,6 +100,10 @@
 	installer.path = ctx.InstallFile(installer.installDir(ctx), file.Base(), file)
 }
 
+func (installer *baseInstaller) installExecutable(ctx ModuleContext, file android.Path) {
+	installer.path = ctx.InstallExecutable(installer.installDir(ctx), file.Base(), file)
+}
+
 func (installer *baseInstaller) everInstallable() bool {
 	// Most cc modules are installable.
 	return true
@@ -121,6 +125,10 @@
 	return String(installer.Properties.Relative_install_path)
 }
 
+func (installer *baseInstaller) makeUninstallable(mod *Module) {
+	mod.ModuleBase.MakeUninstallable()
+}
+
 func (installer *baseInstaller) installInRoot() bool {
 	return Bool(installer.Properties.Install_in_root)
 }
diff --git a/cc/library.go b/cc/library.go
index 842a05f..1b579cd 100644
--- a/cc/library.go
+++ b/cc/library.go
@@ -268,6 +268,7 @@
 
 type ccAidlLibraryAttributes struct {
 	Deps                        bazel.LabelListAttribute
+	Implementation_deps         bazel.LabelListAttribute
 	Implementation_dynamic_deps bazel.LabelListAttribute
 }
 
@@ -2439,6 +2440,17 @@
 	return nil
 }
 
+func (library *libraryDecorator) makeUninstallable(mod *Module) {
+	if library.static() && library.buildStatic() && !library.buildStubs() {
+		// If we're asked to make a static library uninstallable we don't do
+		// anything since AndroidMkEntries always sets LOCAL_UNINSTALLABLE_MODULE
+		// for these entries. This is done to still get the make targets for NOTICE
+		// files from notice_files.mk, which other libraries might depend on.
+		return
+	}
+	mod.ModuleBase.MakeUninstallable()
+}
+
 func (library *libraryDecorator) getPartition() string {
 	return library.path.Partition()
 }
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index c237d75..5b7ba43 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -214,7 +214,7 @@
 			// without the prefix hack below.
 			if p.hasStubsVariants() && !p.buildStubs() && !ctx.Host() &&
 				!strings.HasPrefix(ctx.baseModuleName(), "libclang_rt.") {
-				ctx.Module().SkipInstall()
+				ctx.Module().MakeUninstallable()
 			}
 
 			return outputFile
diff --git a/cc/sanitize.go b/cc/sanitize.go
index d445732..c899cc4 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -254,7 +254,7 @@
 	// This should not be used in Android 11+ : https://source.android.com/devices/tech/debug/scudo
 	// deprecated
 	Scudo *bool `android:"arch_variant"`
-	// shadow-call-stack sanitizer, only available on arm64
+	// shadow-call-stack sanitizer, only available on arm64/riscv64.
 	Scs *bool `android:"arch_variant"`
 	// Memory-tagging, only available on arm64
 	// if diag.memtag unset or false, enables async memory tagging
@@ -593,8 +593,8 @@
 		s.Hwaddress = nil
 	}
 
-	// SCS is only implemented on AArch64.
-	if ctx.Arch().ArchType != android.Arm64 || !ctx.toolchain().Bionic() {
+	// SCS is only implemented on AArch64/riscv64.
+	if (ctx.Arch().ArchType != android.Arm64 && ctx.Arch().ArchType != android.Riscv64) || !ctx.toolchain().Bionic() {
 		s.Scs = nil
 	}
 
@@ -827,8 +827,13 @@
 
 	if Bool(sanProps.Memtag_stack) {
 		flags.Local.CFlags = append(flags.Local.CFlags, memtagStackCommonFlags...)
+		// TODO(fmayer): remove -Wno-error once https://reviews.llvm.org/D127917 is in Android toolchain.
+		flags.Local.CFlags = append(flags.Local.CFlags, "-Wno-error=frame-larger-than")
 		flags.Local.AsFlags = append(flags.Local.AsFlags, memtagStackCommonFlags...)
 		flags.Local.LdFlags = append(flags.Local.LdFlags, memtagStackCommonFlags...)
+		// This works around LLD complaining about the stack frame size.
+		// TODO(fmayer): remove once https://reviews.llvm.org/D127917 is in Android toolchain.
+		flags.Local.LdFlags = append(flags.Local.LdFlags, "-Wl,--no-fatal-warnings")
 	}
 
 	if (Bool(sanProps.Memtag_heap) || Bool(sanProps.Memtag_stack)) && ctx.binary() {
diff --git a/cmd/extract_apks/main.go b/cmd/extract_apks/main.go
index 82db634..2e71fe1 100644
--- a/cmd/extract_apks/main.go
+++ b/cmd/extract_apks/main.go
@@ -41,6 +41,7 @@
 	abis             map[android_bundle_proto.Abi_AbiAlias]int
 	allowPrereleased bool
 	stem             string
+	skipSdkCheck     bool
 }
 
 // An APK set is a zip archive. An entry 'toc.pb' describes its contents.
@@ -322,6 +323,12 @@
 
 func (m sdkVersionTargetingMatcher) matches(config TargetConfig) bool {
 	const preReleaseVersion = 10000
+	// TODO (b274518686) This check should only be used while SHA based targeting is active
+	// Once we have switched to an SDK version, this can be changed to throw an error if
+	// it was accidentally set
+	if config.skipSdkCheck == true {
+		return true
+	}
 	if m.SdkVersionTargeting == nil {
 		return true
 	}
@@ -572,7 +579,7 @@
 func processArgs() {
 	flag.Usage = func() {
 		fmt.Fprintln(os.Stderr, `usage: extract_apks -o <output-file> [-zip <output-zip-file>] `+
-			`-sdk-version value -abis value `+
+			`-sdk-version value -abis value [-skip-sdk-check]`+
 			`-screen-densities value {-stem value | -extract-single} [-allow-prereleased] `+
 			`[-apkcerts <apkcerts output file> -partition <partition>] <APK set>`)
 		flag.PrintDefaults()
@@ -585,6 +592,7 @@
 		"'all' or comma-separated list of screen density names (NODPI LDPI MDPI TVDPI HDPI XHDPI XXHDPI XXXHDPI)")
 	flag.BoolVar(&targetConfig.allowPrereleased, "allow-prereleased", false,
 		"allow prereleased")
+	flag.BoolVar(&targetConfig.skipSdkCheck, "skip-sdk-check", false, "Skip the SDK version check")
 	flag.StringVar(&targetConfig.stem, "stem", "", "output entries base name in the output zip file")
 	flag.Parse()
 	if (*outputFile == "") || len(flag.Args()) != 1 || *version == 0 ||
diff --git a/filesystem/filesystem.go b/filesystem/filesystem.go
index 25b8fe8..023c69a 100644
--- a/filesystem/filesystem.go
+++ b/filesystem/filesystem.go
@@ -22,6 +22,7 @@
 	"strings"
 
 	"android/soong/android"
+	"android/soong/cc"
 
 	"github.com/google/blueprint"
 	"github.com/google/blueprint/proptools"
@@ -498,3 +499,11 @@
 	}
 	return fmt.Sprintf("%x", h.Sum(nil))
 }
+
+// Base cc.UseCoverage
+
+var _ cc.UseCoverage = (*filesystem)(nil)
+
+func (*filesystem) IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool {
+	return ctx.Device() && ctx.DeviceConfig().NativeCoverageEnabled()
+}
diff --git a/filesystem/filesystem_test.go b/filesystem/filesystem_test.go
index a65d9dd..aef4756 100644
--- a/filesystem/filesystem_test.go
+++ b/filesystem/filesystem_test.go
@@ -20,6 +20,9 @@
 
 	"android/soong/android"
 	"android/soong/cc"
+	"android/soong/etc"
+
+	"github.com/google/blueprint/proptools"
 )
 
 func TestMain(m *testing.M) {
@@ -28,6 +31,7 @@
 
 var fixture = android.GroupFixturePreparers(
 	android.PrepareForIntegrationTestWithAndroid,
+	etc.PrepareForTestWithPrebuiltEtc,
 	cc.PrepareForIntegrationTestWithCc,
 	PrepareForTestWithFilesystemBuildComponents,
 )
@@ -225,3 +229,56 @@
 		inputs.Strings(),
 		"out/soong/.intermediates/libbar/android_arm64_armv8-a_shared/libbar.so")
 }
+
+func TestFileSystemWithCoverageVariants(t *testing.T) {
+	context := android.GroupFixturePreparers(
+		fixture,
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.GcovCoverage = proptools.BoolPtr(true)
+			variables.Native_coverage = proptools.BoolPtr(true)
+		}),
+	)
+
+	result := context.RunTestWithBp(t, `
+		prebuilt_etc {
+			name: "prebuilt",
+			src: ":myfilesystem",
+		}
+
+		android_system_image {
+			name: "myfilesystem",
+			deps: [
+				"libfoo",
+			],
+			linker_config_src: "linker.config.json",
+		}
+
+		cc_library {
+			name: "libfoo",
+			shared_libs: [
+				"libbar",
+			],
+			stl: "none",
+		}
+
+		cc_library {
+			name: "libbar",
+			stl: "none",
+		}
+	`)
+
+	filesystem := result.ModuleForTests("myfilesystem", "android_common_cov")
+	inputs := filesystem.Output("deps.zip").Implicits
+	android.AssertStringListContains(t, "filesystem should have libfoo(cov)",
+		inputs.Strings(),
+		"out/soong/.intermediates/libfoo/android_arm64_armv8-a_shared_cov/libfoo.so")
+	android.AssertStringListContains(t, "filesystem should have libbar(cov)",
+		inputs.Strings(),
+		"out/soong/.intermediates/libbar/android_arm64_armv8-a_shared_cov/libbar.so")
+
+	filesystemOutput := filesystem.Output("myfilesystem.img").Output
+	prebuiltInput := result.ModuleForTests("prebuilt", "android_arm64_armv8-a").Rule("Cp").Input
+	if filesystemOutput != prebuiltInput {
+		t.Error("prebuilt should use cov variant of filesystem")
+	}
+}
diff --git a/java/androidmk.go b/java/androidmk.go
index d73ff46..a4dac80 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -76,6 +76,9 @@
 			entriesList = append(entriesList, dexpreoptEntries...)
 		}
 		entriesList = append(entriesList, android.AndroidMkEntries{Disabled: true})
+	} else if !library.ApexModuleBase.AvailableFor(android.AvailableToPlatform) {
+		// Platform variant.  If not available for the platform, we don't need Make module.
+		entriesList = append(entriesList, android.AndroidMkEntries{Disabled: true})
 	} else {
 		entriesList = append(entriesList, android.AndroidMkEntries{
 			Class:      "JAVA_LIBRARIES",
@@ -91,8 +94,7 @@
 						entries.AddStrings("LOCAL_LOGTAGS_FILES", logtags...)
 					}
 
-					if library.installFile == nil || !library.ApexModuleBase.AvailableFor(android.AvailableToPlatform) {
-						// If the ApexModule is not available for the platform, it shouldn't be installed.
+					if library.installFile == nil {
 						entries.SetBoolIfTrue("LOCAL_UNINSTALLABLE_MODULE", true)
 					}
 					if library.dexJarFile.IsSet() {
diff --git a/java/app.go b/java/app.go
index 4cc9e19..8b54bc8 100755
--- a/java/app.go
+++ b/java/app.go
@@ -1495,6 +1495,10 @@
 	ctx.CreateBazelTargetModule(props, android.CommonAttributes{Name: module.Name()}, attrs)
 }
 
+type manifestValueAttribute struct {
+	MinSdkVersion *string
+}
+
 type bazelAndroidAppAttributes struct {
 	*javaCommonAttributes
 	*bazelAapt
@@ -1502,6 +1506,7 @@
 	Custom_package   *string
 	Certificate      bazel.LabelAttribute
 	Certificate_name bazel.StringAttribute
+	Manifest_values  *manifestValueAttribute
 }
 
 // ConvertWithBp2build is used to convert android_app to Bazel.
@@ -1516,11 +1521,23 @@
 
 	certificate, certificateName := android.BazelStringOrLabelFromProp(ctx, a.overridableAppProperties.Certificate)
 
+	manifestValues := &manifestValueAttribute{}
+	// TODO(b/274474008 ): Directly convert deviceProperties.Min_sdk_version in bp2build
+	// MinSdkVersion(ctx) calls SdkVersion(ctx) if no value for min_sdk_version is set
+	minSdkSpec := a.MinSdkVersion(ctx)
+	if !minSdkSpec.ApiLevel.IsPreview() && minSdkSpec.Valid() {
+		minSdkStr, err := minSdkSpec.EffectiveVersionString(ctx)
+		if err == nil {
+			manifestValues.MinSdkVersion = &minSdkStr
+		}
+	}
+
 	appAttrs := &bazelAndroidAppAttributes{
 		// TODO(b/209576404): handle package name override by product variable PRODUCT_MANIFEST_PACKAGE_NAME_OVERRIDES
 		Custom_package:   a.overridableAppProperties.Package_name,
 		Certificate:      certificate,
 		Certificate_name: certificateName,
+		Manifest_values:  manifestValues,
 	}
 
 	props := bazel.BazelTargetModuleProperties{
diff --git a/java/app_set.go b/java/app_set.go
index 0f55b77..d2d3b06 100644
--- a/java/app_set.go
+++ b/java/app_set.go
@@ -142,6 +142,7 @@
 				"allow-prereleased": strconv.FormatBool(proptools.Bool(as.properties.Prerelease)),
 				"screen-densities":  screenDensities,
 				"sdk-version":       ctx.Config().PlatformSdkVersion().String(),
+				"skip-sdk-check":    strconv.FormatBool(ctx.Config().IsEnvTrue("SOONG_SKIP_APPSET_SDK_CHECK")),
 				"stem":              as.BaseModuleName(),
 				"apkcerts":          as.apkcertsFile.String(),
 				"partition":         as.PartitionTag(ctx.DeviceConfig()),
diff --git a/java/app_set_test.go b/java/app_set_test.go
index 03eb667..10bc5de 100644
--- a/java/app_set_test.go
+++ b/java/app_set_test.go
@@ -89,6 +89,7 @@
 				"allow-prereleased": "false",
 				"screen-densities":  "LDPI,XXHDPI",
 				"sdk-version":       "29",
+				"skip-sdk-check":    "false",
 				"stem":              "foo",
 			},
 		},
@@ -105,6 +106,7 @@
 				"allow-prereleased": "false",
 				"screen-densities":  "all",
 				"sdk-version":       "30",
+				"skip-sdk-check":    "false",
 				"stem":              "foo",
 			},
 		},
diff --git a/java/base.go b/java/base.go
index 85f4a5e..7e95abd 100644
--- a/java/base.go
+++ b/java/base.go
@@ -1924,15 +1924,15 @@
 		"stub-annotations", "private-stub-annotations-jar",
 		"core-lambda-stubs", "core-generated-annotation-stubs":
 		return javaCore, true
-	case "android_stubs_current":
+	case android.SdkPublic.JavaLibraryName(ctx.Config()):
 		return javaSdk, true
-	case "android_system_stubs_current":
+	case android.SdkSystem.JavaLibraryName(ctx.Config()):
 		return javaSystem, true
-	case "android_module_lib_stubs_current":
+	case android.SdkModule.JavaLibraryName(ctx.Config()):
 		return javaModule, true
-	case "android_system_server_stubs_current":
+	case android.SdkSystemServer.JavaLibraryName(ctx.Config()):
 		return javaSystemServer, true
-	case "android_test_stubs_current":
+	case android.SdkTest.JavaLibraryName(ctx.Config()):
 		return javaSystem, true
 	}
 
diff --git a/java/builder.go b/java/builder.go
index 6f8eec9..4626267 100644
--- a/java/builder.go
+++ b/java/builder.go
@@ -131,13 +131,13 @@
 		blueprint.RuleParams{
 			Command: `rm -rf "$out" && ` +
 				`${config.ExtractApksCmd} -o "${out}" -zip "${zip}" -allow-prereleased=${allow-prereleased} ` +
-				`-sdk-version=${sdk-version} -abis=${abis} ` +
+				`-sdk-version=${sdk-version} -skip-sdk-check=${skip-sdk-check} -abis=${abis} ` +
 				`--screen-densities=${screen-densities} --stem=${stem} ` +
 				`-apkcerts=${apkcerts} -partition=${partition} ` +
 				`${in}`,
 			CommandDeps: []string{"${config.ExtractApksCmd}"},
 		},
-		"abis", "allow-prereleased", "screen-densities", "sdk-version", "stem", "apkcerts", "partition", "zip")
+		"abis", "allow-prereleased", "screen-densities", "sdk-version", "skip-sdk-check", "stem", "apkcerts", "partition", "zip")
 
 	turbine, turbineRE = pctx.RemoteStaticRules("turbine",
 		blueprint.RuleParams{
diff --git a/java/config/config.go b/java/config/config.go
index 838d007..13670ee 100644
--- a/java/config/config.go
+++ b/java/config/config.go
@@ -94,10 +94,12 @@
 		"-JXX:+TieredCompilation",
 		"-JXX:TieredStopAtLevel=1",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
 	}, dexerJavaVmFlagsList...))
 	exportedVars.ExportStringListStaticVariable("R8Flags", append([]string{
 		"-JXmx2048M",
 		"-JDcom.android.tools.r8.emitRecordAnnotationsInDex",
+		"-JDcom.android.tools.r8.emitPermittedSubclassesAnnotationsInDex",
 	}, dexerJavaVmFlagsList...))
 
 	exportedVars.ExportStringListStaticVariable("CommonJdkFlags", []string{
diff --git a/java/hiddenapi_modular.go b/java/hiddenapi_modular.go
index be4a48e..e2db0cd 100644
--- a/java/hiddenapi_modular.go
+++ b/java/hiddenapi_modular.go
@@ -236,9 +236,9 @@
 		testStubModules = append(testStubModules, "sdk_test_current_android")
 	} else {
 		// Use stub modules built from source
-		publicStubModules = append(publicStubModules, "android_stubs_current")
-		systemStubModules = append(systemStubModules, "android_system_stubs_current")
-		testStubModules = append(testStubModules, "android_test_stubs_current")
+		publicStubModules = append(publicStubModules, android.SdkPublic.JavaLibraryName(config))
+		systemStubModules = append(systemStubModules, android.SdkSystem.JavaLibraryName(config))
+		testStubModules = append(testStubModules, android.SdkTest.JavaLibraryName(config))
 	}
 	// We do not have prebuilts of the core platform api yet
 	corePlatformStubModules = append(corePlatformStubModules, "legacy.core.platform.api.stubs")
diff --git a/java/lint.go b/java/lint.go
index 58b43df..40ef484 100644
--- a/java/lint.go
+++ b/java/lint.go
@@ -496,7 +496,6 @@
 		FlagWithArg("--java-language-level ", l.javaLanguageLevel).
 		FlagWithArg("--kotlin-language-level ", l.kotlinLanguageLevel).
 		FlagWithArg("--url ", fmt.Sprintf(".=.,%s=out", android.PathForOutput(ctx).String())).
-		Flag("--exitcode").
 		Flag("--apply-suggestions"). // applies suggested fixes to files in the sandbox
 		Flags(l.properties.Lint.Flags).
 		Implicit(annotationsZipPath).
@@ -505,6 +504,10 @@
 	rule.Temporary(lintPaths.projectXML)
 	rule.Temporary(lintPaths.configXML)
 
+	if exitCode := ctx.Config().Getenv("ANDROID_LINT_SUPPRESS_EXIT_CODE"); exitCode == "" {
+		cmd.Flag("--exitcode")
+	}
+
 	if checkOnly := ctx.Config().Getenv("ANDROID_LINT_CHECK"); checkOnly != "" {
 		cmd.FlagWithArg("--check ", checkOnly)
 	}
diff --git a/java/sdk.go b/java/sdk.go
index 1e7727b..72a5006 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -191,12 +191,8 @@
 			bootclasspath:    corePlatformBootclasspathLibraries(ctx),
 			noFrameworksLibs: true,
 		}
-	case android.SdkPublic:
-		return toModule("android_stubs_current", sdkFrameworkAidlPath(ctx))
-	case android.SdkSystem:
-		return toModule("android_system_stubs_current", sdkFrameworkAidlPath(ctx))
-	case android.SdkTest:
-		return toModule("android_test_stubs_current", sdkFrameworkAidlPath(ctx))
+	case android.SdkPublic, android.SdkSystem, android.SdkTest:
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), sdkFrameworkAidlPath(ctx))
 	case android.SdkCore:
 		return sdkDep{
 			useModule:        true,
@@ -206,10 +202,10 @@
 		}
 	case android.SdkModule:
 		// TODO(146757305): provide .apk and .aidl that have more APIs for modules
-		return toModule("android_module_lib_stubs_current", nonUpdatableFrameworkAidlPath(ctx))
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), nonUpdatableFrameworkAidlPath(ctx))
 	case android.SdkSystemServer:
 		// TODO(146757305): provide .apk and .aidl that have more APIs for modules
-		return toModule("android_system_server_stubs_current", sdkFrameworkAidlPath(ctx))
+		return toModule(sdkVersion.Kind.JavaLibraryName(ctx.Config()), sdkFrameworkAidlPath(ctx))
 	default:
 		panic(fmt.Errorf("invalid sdk %q", sdkVersion.Raw))
 	}
@@ -272,9 +268,9 @@
 // Create framework.aidl by extracting anything that implements android.os.Parcelable from the SDK stubs modules.
 func createSdkFrameworkAidl(ctx android.SingletonContext) {
 	stubsModules := []string{
-		"android_stubs_current",
-		"android_test_stubs_current",
-		"android_system_stubs_current",
+		android.SdkPublic.JavaLibraryName(ctx.Config()),
+		android.SdkTest.JavaLibraryName(ctx.Config()),
+		android.SdkSystem.JavaLibraryName(ctx.Config()),
 	}
 
 	combinedAidl := sdkFrameworkAidlPath(ctx)
@@ -289,7 +285,7 @@
 
 // Creates a version of framework.aidl for the non-updatable part of the platform.
 func createNonUpdatableFrameworkAidl(ctx android.SingletonContext) {
-	stubsModules := []string{"android_module_lib_stubs_current"}
+	stubsModules := []string{android.SdkModule.JavaLibraryName(ctx.Config())}
 
 	combinedAidl := nonUpdatableFrameworkAidlPath(ctx)
 	tempPath := tempPathForRestat(ctx, combinedAidl)
diff --git a/python/scripts/stub_template_host.txt b/python/scripts/stub_template_host.txt
index 5eedc18..2d1bd4a 100644
--- a/python/scripts/stub_template_host.txt
+++ b/python/scripts/stub_template_host.txt
@@ -3,6 +3,7 @@
 import os
 import tempfile
 import shutil
+import signal
 import sys
 import subprocess
 import zipfile
@@ -43,7 +44,18 @@
     sys.stdout.flush()
     # close_fds=False so that you can run binaries with files provided on the command line:
     # my_python_app --file <(echo foo)
-    sys.exit(subprocess.call(args, close_fds=False))
+    p = subprocess.Popen(args, close_fds=False)
+
+    def handler(sig, frame):
+      p.send_signal(sig)
+
+    # Redirect SIGINT and SIGTERM to subprocess
+    signal.signal(signal.SIGINT, handler)
+    signal.signal(signal.SIGTERM, handler)
+
+    p.wait()
+
+    sys.exit(p.returncode)
   finally:
     shutil.rmtree(runfiles_path, ignore_errors=True)
 
diff --git a/python/test.go b/python/test.go
index fb8e918..31da17e 100644
--- a/python/test.go
+++ b/python/test.go
@@ -15,6 +15,8 @@
 package python
 
 import (
+	"fmt"
+
 	"github.com/google/blueprint/proptools"
 
 	"android/soong/android"
@@ -63,7 +65,22 @@
 	Java_data []string
 
 	// Test options.
-	Test_options android.CommonTestOptions
+	Test_options TestOptions
+}
+
+type TestOptions struct {
+	android.CommonTestOptions
+
+	// Runner for the test. Supports "tradefed" and "mobly" (for multi-device tests). Default is "tradefed".
+	Runner *string
+
+	// Metadata to describe the test configuration.
+	Metadata []Metadata
+}
+
+type Metadata struct {
+	Name  string
+	Value string
 }
 
 type PythonTestModule struct {
@@ -94,14 +111,41 @@
 	p.PythonLibraryModule.GenerateAndroidBuildActions(ctx)
 	p.buildBinary(ctx)
 
-	p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
-		TestConfigProp:         p.testProperties.Test_config,
-		TestConfigTemplateProp: p.testProperties.Test_config_template,
-		TestSuites:             p.binaryProperties.Test_suites,
-		AutoGenConfig:          p.binaryProperties.Auto_gen_config,
-		DeviceTemplate:         "${PythonBinaryHostTestConfigTemplate}",
-		HostTemplate:           "${PythonBinaryHostTestConfigTemplate}",
-	})
+	var configs []tradefed.Option
+	for _, metadata := range p.testProperties.Test_options.Metadata {
+		configs = append(configs, tradefed.Option{Name: "config-descriptor:metadata", Key: metadata.Name, Value: metadata.Value})
+	}
+
+	runner := proptools.StringDefault(p.testProperties.Test_options.Runner, "tradefed")
+	if runner == "tradefed" {
+		p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
+			TestConfigProp:          p.testProperties.Test_config,
+			TestConfigTemplateProp:  p.testProperties.Test_config_template,
+			TestSuites:              p.binaryProperties.Test_suites,
+			OptionsForAutogenerated: configs,
+			AutoGenConfig:           p.binaryProperties.Auto_gen_config,
+			DeviceTemplate:          "${PythonBinaryHostTestConfigTemplate}",
+			HostTemplate:            "${PythonBinaryHostTestConfigTemplate}",
+		})
+	} else if runner == "mobly" {
+		if p.testProperties.Test_config != nil || p.testProperties.Test_config_template != nil || p.binaryProperties.Auto_gen_config != nil {
+			panic(fmt.Errorf("cannot set test_config, test_config_template or auto_gen_config for mobly test"))
+		}
+
+		for _, testSuite := range p.binaryProperties.Test_suites {
+			if testSuite == "cts" {
+				configs = append(configs, tradefed.Option{Name: "test-suite-tag", Value: "cts"})
+				break
+			}
+		}
+		p.testConfig = tradefed.AutoGenTestConfig(ctx, tradefed.AutoGenTestConfigOptions{
+			OptionsForAutogenerated: configs,
+			DeviceTemplate:          "${PythonBinaryHostMoblyTestConfigTemplate}",
+			HostTemplate:            "${PythonBinaryHostMoblyTestConfigTemplate}",
+		})
+	} else {
+		panic(fmt.Errorf("unknown python test runner '%s', should be 'tradefed' or 'mobly'", runner))
+	}
 
 	p.installedDest = ctx.InstallFile(installDir(ctx, "nativetest", "nativetest64", ctx.ModuleName()), p.installSource.Base(), p.installSource)
 
diff --git a/rust/config/global.go b/rust/config/global.go
index 9375022..8894938 100644
--- a/rust/config/global.go
+++ b/rust/config/global.go
@@ -24,7 +24,7 @@
 var pctx = android.NewPackageContext("android/soong/rust/config")
 
 var (
-	RustDefaultVersion = "1.67.1"
+	RustDefaultVersion = "1.68.0"
 	RustDefaultBase    = "prebuilts/rust/"
 	DefaultEdition     = "2021"
 	Stdlibs            = []string{
diff --git a/rust/rust.go b/rust/rust.go
index a200617..018cdab 100644
--- a/rust/rust.go
+++ b/rust/rust.go
@@ -26,6 +26,7 @@
 	"android/soong/cc"
 	cc_config "android/soong/cc/config"
 	"android/soong/fuzz"
+	"android/soong/multitree"
 	"android/soong/rust/config"
 	"android/soong/snapshot"
 )
@@ -1147,10 +1148,56 @@
 		mod.apexSdkVersion = android.FutureApiLevel
 	}
 
+	skipModuleList := map[string]bool{}
+
+	var apiImportInfo multitree.ApiImportInfo
+	hasApiImportInfo := false
+
+	ctx.VisitDirectDeps(func(dep android.Module) {
+		if dep.Name() == "api_imports" {
+			apiImportInfo = ctx.OtherModuleProvider(dep, multitree.ApiImportsProvider).(multitree.ApiImportInfo)
+			hasApiImportInfo = true
+		}
+	})
+
+	if hasApiImportInfo {
+		targetStubModuleList := map[string]string{}
+		targetOrigModuleList := map[string]string{}
+
+		// Search for dependency which both original module and API imported library with APEX stub exists
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if apiLibrary, ok := apiImportInfo.ApexSharedLibs[depName]; ok {
+				targetStubModuleList[apiLibrary] = depName
+			}
+		})
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if origLibrary, ok := targetStubModuleList[depName]; ok {
+				targetOrigModuleList[origLibrary] = depName
+			}
+		})
+
+		// Decide which library should be used between original and API imported library
+		ctx.VisitDirectDeps(func(dep android.Module) {
+			depName := ctx.OtherModuleName(dep)
+			if apiLibrary, ok := targetOrigModuleList[depName]; ok {
+				if cc.ShouldUseStubForApex(ctx, dep) {
+					skipModuleList[depName] = true
+				} else {
+					skipModuleList[apiLibrary] = true
+				}
+			}
+		})
+	}
+
 	ctx.VisitDirectDeps(func(dep android.Module) {
 		depName := ctx.OtherModuleName(dep)
 		depTag := ctx.OtherModuleDependencyTag(dep)
 
+		if _, exists := skipModuleList[depName]; exists {
+			return
+		}
 		if rustDep, ok := dep.(*Module); ok && !rustDep.CcLibraryInterface() {
 			//Handle Rust Modules
 			makeLibName := rustMakeLibName(ctx, mod, rustDep, depName+rustDep.Properties.RustSubName)
@@ -1406,6 +1453,16 @@
 	return strings.Split(filepath.String(), filepath.Base())[0]
 }
 
+// usePublicApi returns true if the rust variant should link against NDK (publicapi)
+func (r *Module) usePublicApi() bool {
+	return r.Device() && r.UseSdk()
+}
+
+// useVendorApi returns true if the rust variant should link against LLNDK (vendorapi)
+func (r *Module) useVendorApi() bool {
+	return r.Device() && (r.InVendor() || r.InProduct())
+}
+
 func (mod *Module) DepsMutator(actx android.BottomUpMutatorContext) {
 	ctx := &depsContext{
 		BottomUpMutatorContext: actx,
@@ -1416,8 +1473,10 @@
 	var snapshotInfo *cc.SnapshotInfo
 
 	apiImportInfo := cc.GetApiImports(mod, actx)
-	for idx, lib := range deps.SharedLibs {
-		deps.SharedLibs[idx] = cc.GetReplaceModuleName(lib, apiImportInfo.SharedLibs)
+	if mod.usePublicApi() || mod.useVendorApi() {
+		for idx, lib := range deps.SharedLibs {
+			deps.SharedLibs[idx] = cc.GetReplaceModuleName(lib, apiImportInfo.SharedLibs)
+		}
 	}
 
 	if ctx.Os() == android.Android {
@@ -1497,7 +1556,15 @@
 		variations := []blueprint.Variation{
 			{Mutator: "link", Variation: "shared"},
 		}
-		cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, name, version, false)
+		// For core variant, add a dep on the implementation (if it exists) and its .apiimport (if it exists)
+		// GenerateAndroidBuildActions will pick the correct impl/stub based on the api_domain boundary
+		if _, ok := apiImportInfo.ApexSharedLibs[name]; !ok || ctx.OtherModuleExists(name) {
+			cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, name, version, false)
+		}
+
+		if apiLibraryName, ok := apiImportInfo.ApexSharedLibs[name]; ok {
+			cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, apiLibraryName, version, false)
+		}
 	}
 
 	for _, lib := range deps.WholeStaticLibs {
diff --git a/scripts/build-ndk-prebuilts.sh b/scripts/build-ndk-prebuilts.sh
index b57963b..0d14019 100755
--- a/scripts/build-ndk-prebuilts.sh
+++ b/scripts/build-ndk-prebuilts.sh
@@ -19,7 +19,12 @@
     exit 1
 fi
 
-TARGET_PRODUCT=ndk build/soong/soong_ui.bash --make-mode --soong-only ${OUT_DIR}/soong/ndk.timestamp
+# TODO: remove ALLOW_MISSING_DEPENDENCIES=true when all the riscv64
+# dependencies exist (currently blocked by http://b/273792258).
+# TODO: remove BUILD_BROKEN_DISABLE_BAZEL=1 when bazel supports riscv64 (http://b/262192655).
+ALLOW_MISSING_DEPENDENCIES=true \
+BUILD_BROKEN_DISABLE_BAZEL=1 \
+    TARGET_PRODUCT=ndk build/soong/soong_ui.bash --make-mode --soong-only ${OUT_DIR}/soong/ndk.timestamp
 
 if [ -n "${DIST_DIR}" ]; then
     mkdir -p ${DIST_DIR} || true
diff --git a/sdk/bootclasspath_fragment_sdk_test.go b/sdk/bootclasspath_fragment_sdk_test.go
index efb97be..0d6496d 100644
--- a/sdk/bootclasspath_fragment_sdk_test.go
+++ b/sdk/bootclasspath_fragment_sdk_test.go
@@ -839,6 +839,7 @@
 				compile_dex: true,
 				public: {enabled: true},
 				permitted_packages: ["mysdklibrary"],
+				min_sdk_version: "current",
 			}
 
 			java_sdk_library {
diff --git a/sdk/update.go b/sdk/update.go
index 0820d62..d98ab68 100644
--- a/sdk/update.go
+++ b/sdk/update.go
@@ -357,6 +357,12 @@
 		// If the minApiLevel of the member is greater than the target API level then exclude it from
 		// this snapshot.
 		exclude := memberVariantDep.minApiLevel.GreaterThan(targetApiLevel)
+		// Always include host variants (e.g. host tools) in the snapshot.
+		// Host variants should not be guarded by a min_sdk_version check. In fact, host variants
+		// do not have a `min_sdk_version`.
+		if memberVariantDep.Host() {
+			exclude = false
+		}
 
 		addMember(name, export, exclude)
 
@@ -1263,6 +1269,11 @@
 	minApiLevel android.ApiLevel
 }
 
+// Host returns true if the sdk member is a host variant (e.g. host tool)
+func (s *sdkMemberVariantDep) Host() bool {
+	return s.variant.Target().Os.Class == android.Host
+}
+
 var _ android.SdkMember = (*sdkMember)(nil)
 
 // sdkMember groups all the variants of a specific member module together along with the name of the
diff --git a/tests/dcla_apex_comparison_test.sh b/tests/dcla_apex_comparison_test.sh
index 2ecb876..97ae97e 100755
--- a/tests/dcla_apex_comparison_test.sh
+++ b/tests/dcla_apex_comparison_test.sh
@@ -112,7 +112,7 @@
         sha="${sha% *}"
         if [ "${prev_sha}" == "" ]; then
           prev_sha="${sha}"
-        elif [ "${sha}" != "${prev_sha}" ]; then
+        elif [ "${sha}" != "${prev_sha}" ] && { [ "${lib}" != "libcrypto.so" ] || [ "${module}" != "com.android.tethering" ]; }; then
           echo "Test failed, ${lib} has different hash value"
           exit 1
         fi
diff --git a/tests/lib.sh b/tests/lib.sh
index 0973beb..2bcb630 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -164,5 +164,6 @@
   fi
   for f in ${test_fns[*]}; do
     $f
+    info "Completed test case \e[96;1m$f\e[0m"
   done
 }
diff --git a/tradefed/config.go b/tradefed/config.go
index 999424c..326a006 100644
--- a/tradefed/config.go
+++ b/tradefed/config.go
@@ -31,6 +31,7 @@
 	pctx.SourcePathVariable("NativeBenchmarkTestConfigTemplate", "build/make/core/native_benchmark_test_config_template.xml")
 	pctx.SourcePathVariable("NativeHostTestConfigTemplate", "build/make/core/native_host_test_config_template.xml")
 	pctx.SourcePathVariable("NativeTestConfigTemplate", "build/make/core/native_test_config_template.xml")
+	pctx.SourcePathVariable("PythonBinaryHostMoblyTestConfigTemplate", "build/make/core/python_binary_host_mobly_test_config_template.xml")
 	pctx.SourcePathVariable("PythonBinaryHostTestConfigTemplate", "build/make/core/python_binary_host_test_config_template.xml")
 	pctx.SourcePathVariable("RustDeviceTestConfigTemplate", "build/make/core/rust_device_test_config_template.xml")
 	pctx.SourcePathVariable("RustHostTestConfigTemplate", "build/make/core/rust_host_test_config_template.xml")
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 655ae35..871e637 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -168,7 +168,7 @@
 		commonArgs = append(commonArgs, "-t")
 	}
 
-	if !pb.config.multitreeBuild {
+	if pb.config.multitreeBuild {
 		commonArgs = append(commonArgs, "--multitree-build")
 	}