diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 4693210..6165239 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -187,6 +187,7 @@
 		"frameworks/base/services/tests/servicestests/aidl":  Bp2BuildDefaultTrue,
 		"frameworks/base/startop/apps/test":                  Bp2BuildDefaultTrue,
 		"frameworks/base/tests/appwidgets/AppWidgetHostTest": Bp2BuildDefaultTrueRecursively,
+		"frameworks/base/tools/streaming_proto":              Bp2BuildDefaultTrueRecursively,
 		"frameworks/base/tools/aapt2":                        Bp2BuildDefaultTrue,
 		"frameworks/native/libs/adbd_auth":                   Bp2BuildDefaultTrueRecursively,
 		"frameworks/native/libs/arect":                       Bp2BuildDefaultTrueRecursively,
@@ -397,8 +398,10 @@
 		"com.android.neuralnetworks.certificate",
 		"com.android.neuralnetworks.key",
 		"flatbuffer_headers",
+		"framework-connectivity-protos",
 		"gemmlowp_headers",
 		"gl_headers",
+		"ipconnectivity-proto-src",
 		"libaidlcommonsupport",
 		"libandroid_runtime_lazy",
 		"libandroid_runtime_vm_headers",
@@ -474,6 +477,7 @@
 		"philox_random",
 		"philox_random_headers",
 		"server_configurable_flags",
+		"service-permission-streaming-proto-sources",
 		"statslog_neuralnetworks.cpp",
 		"statslog_neuralnetworks.h",
 		"tensorflow_headers",
@@ -602,8 +606,6 @@
 		"libEGL_getProcAddress",
 		"libEGL_blobCache",
 
-		"protoc-gen-cppstream",
-
 		"mediaswcodec",
 		"libmedia_headers",
 		"libmedia_codecserviceregistrant",
@@ -1334,21 +1336,28 @@
 		"prebuilt_currysrc_org.eclipse",
 
 		// TODO(b/247782695 and/or b/242847534) Fix mixed build between unconverted gensrcs and converted filegroup
-		"libstats_atom_enum_protos",
+		"connectivity_service_proto",
 		"data_stall_event_proto",
 		"device_policy_proto",
 		"dns_resolver_proto",
+		"ipconnectivity-proto-src",
 		"launcher_proto",
+		"libstats_atom_enum_protos",
+		"libstats_atom_message_protos",
 		"network_stack_proto",
+		"service-permission-streaming-proto-sources",
 		"srcs_bluetooth_protos",
 		"srcs_bluetooth_leaudio_protos",
 		"style_proto",
 		"tethering_proto",
 		"text_classifier_proto",
-		"libstats_atom_message_protos",
 	}
 
 	ProdMixedBuildsEnabledList = []string{
 		"com.android.adbd",
 	}
+
+	// Staging builds should be entirely prod, plus some near-ready ones. Add the
+	// new ones to the first argument as needed.
+	StagingMixedBuildsEnabledList = append([]string{}, ProdMixedBuildsEnabledList...)
 )
diff --git a/android/bazel_handler.go b/android/bazel_handler.go
index 29695d6..f16ee60 100644
--- a/android/bazel_handler.go
+++ b/android/bazel_handler.go
@@ -386,6 +386,12 @@
 		for _, enabledProdModule := range allowlists.ProdMixedBuildsEnabledList {
 			enabledModules[enabledProdModule] = true
 		}
+	case BazelStagingMode:
+		modulesDefaultToBazel = false
+		for _, enabledStagingMode := range allowlists.StagingMixedBuildsEnabledList {
+			enabledModules[enabledStagingMode] = true
+
+		}
 	case BazelDevMode:
 		modulesDefaultToBazel = true
 
@@ -551,7 +557,6 @@
 		//
 		// The actual platform values here may be overridden by configuration
 		// transitions from the buildroot.
-		fmt.Sprintf("--platforms=%s", "//build/bazel/platforms:android_target"),
 		fmt.Sprintf("--extra_toolchains=%s", "//prebuilts/clang/host/linux-x86:all"),
 
 		// This should be parameterized on the host OS, but let's restrict to linux
diff --git a/android/bazel_paths.go b/android/bazel_paths.go
index 9c50098..b2ea22f 100644
--- a/android/bazel_paths.go
+++ b/android/bazel_paths.go
@@ -534,3 +534,55 @@
 	}
 	return outs
 }
+
+// BazelStringOrLabelFromProp splits a Soong module property that can be
+// either a string literal, path (with android:path tag) or a module reference
+// into separate bazel string or label attributes. Bazel treats string and label
+// attributes as distinct types, so this function categorizes a string property
+// into either one of them.
+//
+// e.g. apex.private_key = "foo.pem" can either refer to:
+//
+// 1. "foo.pem" in the current directory -> file target
+// 2. "foo.pem" module -> rule target
+// 3. "foo.pem" file in a different directory, prefixed by a product variable handled
+// in a bazel macro. -> string literal
+//
+// For the first two cases, they are defined using the label attribute. For the third case,
+// it's defined with the string attribute.
+func BazelStringOrLabelFromProp(
+	ctx TopDownMutatorContext,
+	propToDistinguish *string) (bazel.LabelAttribute, bazel.StringAttribute) {
+
+	var labelAttr bazel.LabelAttribute
+	var strAttr bazel.StringAttribute
+
+	if propToDistinguish == nil {
+		// nil pointer
+		return labelAttr, strAttr
+	}
+
+	prop := String(propToDistinguish)
+	if SrcIsModule(prop) != "" {
+		// If it's a module (SrcIsModule will return the module name), set the
+		// resolved label to the label attribute.
+		labelAttr.SetValue(BazelLabelForModuleDepSingle(ctx, prop))
+	} else {
+		// Not a module name. This could be a string literal or a file target in
+		// the current dir. Check if the path exists:
+		path := ExistentPathForSource(ctx, ctx.ModuleDir(), prop)
+
+		if path.Valid() && parentDir(path.String()) == ctx.ModuleDir() {
+			// If it exists and the path is relative to the current dir, resolve the bazel label
+			// for the _file target_ and set it to the label attribute.
+			//
+			// Resolution is necessary because this could be a file in a subpackage.
+			labelAttr.SetValue(BazelLabelForModuleSrcSingle(ctx, prop))
+		} else {
+			// Otherwise, treat it as a string literal and assign to the string attribute.
+			strAttr.Value = propToDistinguish
+		}
+	}
+
+	return labelAttr, strAttr
+}
diff --git a/android/config.go b/android/config.go
index 4992882..1ed405b 100644
--- a/android/config.go
+++ b/android/config.go
@@ -97,6 +97,11 @@
 	// allowlisted on an experimental basis.
 	BazelDevMode
 
+	// Use bazel during analysis of a few allowlisted build modules. The allowlist
+	// is considered "staging, as these are modules being prepared to be released
+	// into prod mode shortly after.
+	BazelStagingMode
+
 	// Use bazel during analysis of build modules from an allowlist carefully
 	// curated by the build team to be proven stable.
 	BazelProdMode
diff --git a/android/neverallow.go b/android/neverallow.go
index 1cdccc3..cf149b2 100644
--- a/android/neverallow.go
+++ b/android/neverallow.go
@@ -162,6 +162,7 @@
 		"development/build",
 		"external/guava",
 		"external/robolectric-shadows",
+		"external/robolectric",
 		"frameworks/layoutlib",
 	}
 
diff --git a/apex/apex.go b/apex/apex.go
index edba1f7..88a057f 100644
--- a/apex/apex.go
+++ b/apex/apex.go
@@ -2665,12 +2665,13 @@
 
 		// Certificate
 		if overridableProperties.Certificate == nil {
-			// delegated to the rule attr default
-			attrs.Certificate = nil
+			// If overridableProperties.Certificate is nil, clear this out as
+			// well with zeroed structs, so the override_apex does not use the
+			// base apex's certificate.
+			attrs.Certificate = bazel.LabelAttribute{}
+			attrs.Certificate_name = bazel.StringAttribute{}
 		} else {
-			certificateName, certificate := java.ParseCertificateToAttribute(ctx, overridableProperties.Certificate)
-			attrs.Certificate_name = certificateName
-			attrs.Certificate = certificate
+			attrs.Certificate, attrs.Certificate_name = android.BazelStringOrLabelFromProp(ctx, overridableProperties.Certificate)
 		}
 
 		// Prebuilts
@@ -3346,8 +3347,8 @@
 	Android_manifest      bazel.LabelAttribute
 	File_contexts         bazel.LabelAttribute
 	Key                   bazel.LabelAttribute
-	Certificate           *bazel.Label // used when the certificate prop is a module
-	Certificate_name      *string      // used when the certificate prop is a string
+	Certificate           bazel.LabelAttribute  // used when the certificate prop is a module
+	Certificate_name      bazel.StringAttribute // used when the certificate prop is a string
 	Min_sdk_version       *string
 	Updatable             bazel.BoolAttribute
 	Installable           bazel.BoolAttribute
@@ -3409,7 +3410,8 @@
 		keyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *a.overridableProperties.Key))
 	}
 
-	certificateName, certificate := java.ParseCertificateToAttribute(ctx, a.overridableProperties.Certificate)
+	// Certificate
+	certificate, certificateName := android.BazelStringOrLabelFromProp(ctx, a.overridableProperties.Certificate)
 
 	nativeSharedLibs := &convertedNativeSharedLibs{
 		Native_shared_libs_32: bazel.LabelListAttribute{},
diff --git a/apex/builder.go b/apex/builder.go
index ad8075b..e4c1673 100644
--- a/apex/builder.go
+++ b/apex/builder.go
@@ -922,10 +922,16 @@
 				installedSymlinks = append(installedSymlinks,
 					ctx.InstallAbsoluteSymlink(installDir, fi.stem(), pathOnDevice))
 			} else {
-				target := ctx.InstallFile(installDir, fi.stem(), fi.builtFile)
-				for _, sym := range fi.symlinks {
-					installedSymlinks = append(installedSymlinks,
-						ctx.InstallSymlink(installDir, sym, target))
+				if fi.class == appSet {
+					as := fi.module.(*java.AndroidAppSet)
+					ctx.InstallFileWithExtraFilesZip(installDir, as.BaseModuleName()+".apk",
+						as.OutputFile(), as.PackedAdditionalOutputs())
+				} else {
+					target := ctx.InstallFile(installDir, fi.stem(), fi.builtFile)
+					for _, sym := range fi.symlinks {
+						installedSymlinks = append(installedSymlinks,
+							ctx.InstallSymlink(installDir, sym, target))
+					}
 				}
 			}
 		}
diff --git a/apex/key.go b/apex/key.go
index 2b09f1d..0a7e80f 100644
--- a/apex/key.go
+++ b/apex/key.go
@@ -201,10 +201,10 @@
 
 type bazelApexKeyAttributes struct {
 	Public_key      bazel.LabelAttribute
-	Public_key_name bazel.LabelAttribute
+	Public_key_name bazel.StringAttribute
 
 	Private_key      bazel.LabelAttribute
-	Private_key_name bazel.LabelAttribute
+	Private_key_name bazel.StringAttribute
 }
 
 // ConvertWithBp2build performs conversion apexKey for bp2build
@@ -213,27 +213,11 @@
 }
 
 func apexKeyBp2BuildInternal(ctx android.TopDownMutatorContext, module *apexKey) {
-	var privateKeyLabelAttribute bazel.LabelAttribute
-	var privateKeyNameAttribute bazel.LabelAttribute
-	if module.properties.Private_key != nil {
-		m := String(module.properties.Private_key)
-		if android.SrcIsModule(m) == "" {
-			privateKeyNameAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Private_key))
-		} else {
-			privateKeyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.properties.Private_key))
-		}
-	}
+	privateKeyLabelAttribute, privateKeyNameAttribute :=
+		android.BazelStringOrLabelFromProp(ctx, module.properties.Private_key)
 
-	var publicKeyLabelAttribute bazel.LabelAttribute
-	var publicKeyNameAttribute bazel.LabelAttribute
-	if module.properties.Public_key != nil {
-		m := String(module.properties.Public_key)
-		if android.SrcIsModule(m) == "" {
-			publicKeyNameAttribute.SetValue(android.BazelLabelForModuleSrcSingle(ctx, *module.properties.Public_key))
-		} else {
-			publicKeyLabelAttribute.SetValue(android.BazelLabelForModuleDepSingle(ctx, *module.properties.Public_key))
-		}
-	}
+	publicKeyLabelAttribute, publicKeyNameAttribute :=
+		android.BazelStringOrLabelFromProp(ctx, module.properties.Public_key)
 
 	attrs := &bazelApexKeyAttributes{
 		Private_key:      privateKeyLabelAttribute,
diff --git a/bp2build/android_app_conversion_test.go b/bp2build/android_app_conversion_test.go
index e112be3..2b35521 100644
--- a/bp2build/android_app_conversion_test.go
+++ b/bp2build/android_app_conversion_test.go
@@ -27,6 +27,7 @@
 }
 
 func registerAndroidAppModuleTypes(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
 }
 
 func TestMinimalAndroidApp(t *testing.T) {
@@ -76,6 +77,7 @@
         manifest: "manifest/AndroidManifest.xml",
         static_libs: ["static_lib_dep"],
         java_version: "7",
+        certificate: "foocert",
 }
 `,
 		ExpectedBazelTargets: []string{
@@ -86,9 +88,10 @@
         "resa/res.png",
         "resb/res.png",
     ]`,
-				"custom_package": `"com.google"`,
-				"deps":           `[":static_lib_dep"]`,
-				"javacopts":      `["-source 1.7 -target 1.7"]`,
+				"custom_package":   `"com.google"`,
+				"deps":             `[":static_lib_dep"]`,
+				"javacopts":        `["-source 1.7 -target 1.7"]`,
+				"certificate_name": `"foocert"`,
 			}),
 		}})
 }
@@ -130,3 +133,70 @@
 			}),
 		}})
 }
+
+func TestAndroidAppCertIsModule(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app - cert is module",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{},
+		Blueprint: simpleModuleDoNotConvertBp2build("filegroup", "foocert") + `
+android_app {
+        name: "TestApp",
+        certificate: ":foocert",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "TestApp", AttrNameToString{
+				"certificate":    `":foocert"`,
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+			}),
+		}})
+}
+
+func TestAndroidAppCertIsSrcFile(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app - cert is src file",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem: map[string]string{
+			"foocert": "",
+		},
+		Blueprint: `
+android_app {
+        name: "TestApp",
+        certificate: "foocert",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "TestApp", AttrNameToString{
+				"certificate":    `"foocert"`,
+				"manifest":       `"AndroidManifest.xml"`,
+				"resource_files": `[]`,
+			}),
+		}})
+}
+
+func TestAndroidAppCertIsNotSrcOrModule(t *testing.T) {
+	runAndroidAppTestCase(t, Bp2buildTestCase{
+		Description:                "Android app - cert is not src or module",
+		ModuleTypeUnderTest:        "android_app",
+		ModuleTypeUnderTestFactory: java.AndroidAppFactory,
+		Filesystem:                 map[string]string{
+			// deliberate empty
+		},
+		Blueprint: `
+android_app {
+        name: "TestApp",
+        certificate: "foocert",
+}
+`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("android_binary", "TestApp", AttrNameToString{
+				"certificate_name": `"foocert"`,
+				"manifest":         `"AndroidManifest.xml"`,
+				"resource_files":   `[]`,
+			}),
+		}})
+}
diff --git a/bp2build/apex_key_conversion_test.go b/bp2build/apex_key_conversion_test.go
index 79b1d89..f9a68c9 100644
--- a/bp2build/apex_key_conversion_test.go
+++ b/bp2build/apex_key_conversion_test.go
@@ -30,12 +30,37 @@
 	ctx.RegisterModuleType("filegroup", android.FileGroupFactory)
 }
 
-func TestApexKeySimple_KeysAreSrcFiles(t *testing.T) {
+func TestApexKeySimple_KeysAreSrcFilesInSameDir(t *testing.T) {
 	runApexKeyTestCase(t, Bp2buildTestCase{
-		Description:                "apex key - keys are src files, use key_name attributes",
+		Description:                "apex key - keys are src files, use key attributes",
 		ModuleTypeUnderTest:        "apex_key",
 		ModuleTypeUnderTestFactory: apex.ApexKeyFactory,
-		Filesystem:                 map[string]string{},
+		Filesystem: map[string]string{
+			"com.android.apogee.avbpubkey": "",
+			"com.android.apogee.pem":       "",
+		},
+		Blueprint: `
+apex_key {
+        name: "com.android.apogee.key",
+        public_key: "com.android.apogee.avbpubkey",
+        private_key: "com.android.apogee.pem",
+}
+`,
+		ExpectedBazelTargets: []string{MakeBazelTargetNoRestrictions("apex_key", "com.android.apogee.key", AttrNameToString{
+			"private_key": `"com.android.apogee.pem"`,
+			"public_key":  `"com.android.apogee.avbpubkey"`,
+		}),
+		}})
+}
+
+func TestApexKeySimple_KeysAreSrcFilesNotInDir(t *testing.T) {
+	runApexKeyTestCase(t, Bp2buildTestCase{
+		Description:                "apex key - keys are not src or module, use key_name attributes",
+		ModuleTypeUnderTest:        "apex_key",
+		ModuleTypeUnderTestFactory: apex.ApexKeyFactory,
+		Filesystem:                 map[string]string{
+			// deliberately left empty
+		},
 		Blueprint: `
 apex_key {
         name: "com.android.apogee.key",
diff --git a/bp2build/cc_prebuilt_library_conversion_test.go b/bp2build/cc_prebuilt_library_conversion_test.go
index dd217c3..47006ac 100644
--- a/bp2build/cc_prebuilt_library_conversion_test.go
+++ b/bp2build/cc_prebuilt_library_conversion_test.go
@@ -36,10 +36,10 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libf.so"`,
 				}),
 			},
@@ -66,14 +66,14 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library": `select({
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
         "//conditions:default": None,
     })`,
 				}),
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `select({
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
@@ -104,13 +104,13 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library":         `"libf.so"`,
 					"export_includes":        `["testdir/1/"]`,
 					"export_system_includes": `["testdir/2/"]`,
 				}),
 				// TODO(b/229374533): When fixed, update this test
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libf.so"`,
 				}),
 			},
@@ -185,10 +185,10 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libg.so"`,
 				}),
 			},
@@ -215,7 +215,7 @@
 //	bazel_module: { bp2build_available: true },
 //}`,
 //			expectedBazelTargets: []string{
-//				makeBazelTarget("prebuilt_library_shared", "libtest", attrNameToString{
+//				makeBazelTarget("cc_prebuilt_library_shared", "libtest", attrNameToString{
 //					"shared_library": `"libf.so"`,
 //				}),
 //			},
@@ -242,7 +242,7 @@
 //	bazel_module: { bp2build_available: true },
 //}`,
 //			expectedBazelTargets: []string{
-//				makeBazelTarget("prebuilt_library_static", "libtest_bp2build_cc_library_static", attrNameToString{
+//				makeBazelTarget("cc_prebuilt_library_static", "libtest_bp2build_cc_library_static", attrNameToString{
 //					"static_library": `"libf.so"`,
 //				}),
 //			},
diff --git a/bp2build/cc_prebuilt_library_shared_test.go b/bp2build/cc_prebuilt_library_shared_test.go
index 541ce5e..58c0a70 100644
--- a/bp2build/cc_prebuilt_library_shared_test.go
+++ b/bp2build/cc_prebuilt_library_shared_test.go
@@ -23,7 +23,7 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `"libf.so"`,
 				}),
 			},
@@ -50,7 +50,7 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_shared", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_shared", "libtest", AttrNameToString{
 					"shared_library": `select({
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
diff --git a/bp2build/cc_prebuilt_library_static_test.go b/bp2build/cc_prebuilt_library_static_test.go
index 69a1b5e..6116b00 100644
--- a/bp2build/cc_prebuilt_library_static_test.go
+++ b/bp2build/cc_prebuilt_library_static_test.go
@@ -36,7 +36,7 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest", AttrNameToString{
 					"static_library": `"libf.so"`,
 				}),
 			},
@@ -63,7 +63,7 @@
 	bazel_module: { bp2build_available: true },
 }`,
 			ExpectedBazelTargets: []string{
-				MakeBazelTarget("prebuilt_library_static", "libtest", AttrNameToString{
+				MakeBazelTarget("cc_prebuilt_library_static", "libtest", AttrNameToString{
 					"static_library": `select({
         "//build/bazel/platforms/arch:arm": "libg.so",
         "//build/bazel/platforms/arch:arm64": "libf.so",
diff --git a/cc/config/global.go b/cc/config/global.go
index f6fcc13..e6b9459 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -91,9 +91,6 @@
 		// Warnings from clang-7.0
 		"-Wno-sign-compare",
 
-		// Warnings from clang-8.0
-		"-Wno-defaulted-function-deleted",
-
 		// Disable -Winconsistent-missing-override until we can clean up the existing
 		// codebase for it.
 		"-Wno-inconsistent-missing-override",
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
index d8918f1..825be7f 100644
--- a/cc/config/riscv64_device.go
+++ b/cc/config/riscv64_device.go
@@ -25,6 +25,7 @@
 	riscv64Cflags = []string{
 		// Help catch common 32/64-bit errors.
 		"-Werror=implicit-function-declaration",
+		"-fno-emulated-tls",
 	}
 
 	riscv64ArchVariantCflags = map[string][]string{}
diff --git a/cc/fuzz.go b/cc/fuzz.go
index 13c94ad..0fbe45c 100644
--- a/cc/fuzz.go
+++ b/cc/fuzz.go
@@ -264,7 +264,7 @@
 	}
 
 	// Grab the list of required shared libraries.
-	fuzzBin.sharedLibraries = CollectAllSharedDependencies(ctx)
+	fuzzBin.sharedLibraries, _ = CollectAllSharedDependencies(ctx)
 
 	for _, lib := range fuzzBin.sharedLibraries {
 		fuzzBin.installedSharedDeps = append(fuzzBin.installedSharedDeps,
@@ -478,9 +478,10 @@
 // VisitDirectDeps is used first to avoid incorrectly using the core libraries (sanitizer
 // runtimes, libc, libdl, etc.) from a dependency. This may cause issues when dependencies
 // have explicit sanitizer tags, as we may get a dependency on an unsanitized libc, etc.
-func CollectAllSharedDependencies(ctx android.ModuleContext) android.Paths {
+func CollectAllSharedDependencies(ctx android.ModuleContext) (android.Paths, []android.Module) {
 	seen := make(map[string]bool)
 	recursed := make(map[string]bool)
+	deps := []android.Module{}
 
 	var sharedLibraries android.Paths
 
@@ -494,6 +495,7 @@
 			return
 		}
 		seen[ctx.OtherModuleName(dep)] = true
+		deps = append(deps, dep)
 		sharedLibraries = append(sharedLibraries, android.OutputFileForModule(ctx, dep, "unstripped"))
 	})
 
@@ -503,6 +505,7 @@
 		}
 		if !seen[ctx.OtherModuleName(child)] {
 			seen[ctx.OtherModuleName(child)] = true
+			deps = append(deps, child)
 			sharedLibraries = append(sharedLibraries, android.OutputFileForModule(ctx, child, "unstripped"))
 		}
 
@@ -513,5 +516,5 @@
 		return true
 	})
 
-	return sharedLibraries
+	return sharedLibraries, deps
 }
diff --git a/cc/lto.go b/cc/lto.go
index 581856b..1afa1dd 100644
--- a/cc/lto.go
+++ b/cc/lto.go
@@ -91,6 +91,11 @@
 		return flags
 	}
 
+	// TODO(b/254713216): LTO doesn't work on riscv64 yet.
+	if ctx.Arch().ArchType == android.Riscv64 {
+		return flags
+	}
+
 	if lto.LTO(ctx) {
 		var ltoCFlag string
 		var ltoLdFlag string
diff --git a/cc/prebuilt.go b/cc/prebuilt.go
index 3756810..1842e5a 100644
--- a/cc/prebuilt.go
+++ b/cc/prebuilt.go
@@ -358,12 +358,12 @@
 
 // TODO(b/228623543): The below is not entirely true until the bug is fixed. For now, both targets are always generated
 // Implements bp2build for cc_prebuilt_library modules. This will generate:
-//   - Only a prebuilt_library_static if the shared.enabled property is set to false across all variants.
-//   - Only a prebuilt_library_shared if the static.enabled property is set to false across all variants
-//   - Both a prebuilt_library_static and prebuilt_library_shared if the aforementioned properties are not false across
+//   - Only a cc_prebuilt_library_static if the shared.enabled property is set to false across all variants.
+//   - Only a cc_prebuilt_library_shared if the static.enabled property is set to false across all variants
+//   - Both a cc_prebuilt_library_static and cc_prebuilt_library_shared if the aforementioned properties are not false across
 //     all variants
 //
-// In all cases, prebuilt_library_static target names will be appended with "_bp2build_cc_library_static".
+// In all cases, cc_prebuilt_library_static target names will be appended with "_bp2build_cc_library_static".
 func prebuiltLibraryBp2Build(ctx android.TopDownMutatorContext, module *Module) {
 	prebuiltLibraryStaticBp2Build(ctx, module, true)
 	prebuiltLibrarySharedBp2Build(ctx, module)
@@ -380,8 +380,8 @@
 	}
 
 	props := bazel.BazelTargetModuleProperties{
-		Rule_class:        "prebuilt_library_static",
-		Bzl_load_location: "//build/bazel/rules/cc:prebuilt_library_static.bzl",
+		Rule_class:        "cc_prebuilt_library_static",
+		Bzl_load_location: "//build/bazel/rules/cc:cc_prebuilt_library_static.bzl",
 	}
 
 	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
@@ -403,8 +403,8 @@
 	}
 
 	props := bazel.BazelTargetModuleProperties{
-		Rule_class:        "prebuilt_library_shared",
-		Bzl_load_location: "//build/bazel/rules/cc:prebuilt_library_shared.bzl",
+		Rule_class:        "cc_prebuilt_library_shared",
+		Bzl_load_location: "//build/bazel/rules/cc:cc_prebuilt_library_shared.bzl",
 	}
 
 	name := android.RemoveOptionalPrebuiltPrefix(module.Name())
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 0b47f0e..d3fc221 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -511,6 +511,12 @@
 		s.Integer_overflow = nil
 	}
 
+	// TODO(b/254713216): CFI doesn't work for riscv64 yet because LTO doesn't work.
+	if ctx.Arch().ArchType == android.Riscv64 {
+		s.Cfi = nil
+		s.Diag.Cfi = nil
+	}
+
 	// Disable CFI for musl
 	if ctx.toolchain().Musl() {
 		s.Cfi = nil
@@ -613,6 +619,14 @@
 		return flags
 	}
 
+	// Currently unwinding through tagged frames for exceptions is broken, so disable memtag stack
+	// in that case, so we don't end up tagging those.
+	// TODO(b/174878242): Remove once https://r.android.com/2251926 is included in toolchain.
+	if android.InList("-fexceptions", flags.Local.CFlags) || android.InList("-fexceptions", flags.Global.CFlags) {
+		sanitize.Properties.Sanitize.Memtag_stack = nil
+		_, sanitize.Properties.Sanitizers = android.RemoveFromList("memtag-stack", sanitize.Properties.Sanitizers)
+	}
+
 	if Bool(sanitize.Properties.Sanitize.Address) {
 		if ctx.Arch().ArchType == android.Arm {
 			// Frame pointer based unwinder in ASan requires ARM frame setup.
@@ -1384,6 +1398,7 @@
 
 		// Determine the runtime library required
 		runtimeLibrary := ""
+		alwaysStaticRuntime := false
 		var extraStaticDeps []string
 		toolchain := c.toolchain(mctx)
 		if Bool(c.sanitize.Properties.Sanitize.Address) {
@@ -1408,8 +1423,15 @@
 			Bool(c.sanitize.Properties.Sanitize.Undefined) ||
 			Bool(c.sanitize.Properties.Sanitize.All_undefined) {
 			runtimeLibrary = config.UndefinedBehaviorSanitizerRuntimeLibrary(toolchain)
-			if c.staticBinary() {
+			if c.staticBinary() || toolchain.Musl() {
+				// Use a static runtime for static binaries.
+				// Also use a static runtime for musl to match
+				// what clang does for glibc.  Otherwise dlopening
+				// libraries that depend on libclang_rt.ubsan_standalone.so
+				// fails with:
+				// Error relocating ...: initial-exec TLS resolves to dynamic definition
 				runtimeLibrary += ".static"
+				alwaysStaticRuntime = true
 			}
 		}
 
@@ -1453,7 +1475,7 @@
 			//
 			// Note that by adding dependency with {static|shared}DepTag, the lib is
 			// added to libFlags and LOCAL_SHARED_LIBRARIES by cc.Module
-			if c.staticBinary() {
+			if c.staticBinary() || alwaysStaticRuntime {
 				addStaticDeps(runtimeLibrary)
 				addStaticDeps(extraStaticDeps...)
 			} else if !c.static() && !c.Header() {
diff --git a/cmd/extract_apks/bundle_proto/Android.bp b/cmd/extract_apks/bundle_proto/Android.bp
new file mode 100644
index 0000000..e56c0fb
--- /dev/null
+++ b/cmd/extract_apks/bundle_proto/Android.bp
@@ -0,0 +1,13 @@
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+python_library_host {
+    name: "config_proto",
+    srcs: [
+        "config.proto",
+    ],
+    proto: {
+        canonical_path_from_root: false,
+    },
+}
diff --git a/cmd/extract_apks/bundle_proto/config.proto b/cmd/extract_apks/bundle_proto/config.proto
index d6fac03..946bd9a 100644
--- a/cmd/extract_apks/bundle_proto/config.proto
+++ b/cmd/extract_apks/bundle_proto/config.proto
@@ -26,6 +26,9 @@
     ASSET_ONLY = 2;
   }
   BundleType type = 8;
+
+  // Configuration for locales.
+  Locales locales = 9;
 }
 
 message Bundletool {
@@ -40,6 +43,48 @@
   // the name of the modules, and using forward slash ("/") as a name separator.
   // Examples: "res/raw/**", "assets/**/*.uncompressed", etc.
   repeated string uncompressed_glob = 1;
+
+  enum AssetModuleCompression {
+    UNSPECIFIED = 0;
+    // Assets are left uncompressed in the generated asset module.
+    UNCOMPRESSED = 1;
+    // Assets are compressed in the generated asset module.
+    // This option can be overridden at a finer granularity by specifying
+    // files or folders to keep uncompressed in `uncompressed_glob`.
+    // This option should only be used if the app is able to handle compressed
+    // asset module content at runtime (some runtime APIs may misbehave).
+    COMPRESSED = 2;
+  }
+
+  // Default compression strategy for install-time asset modules.
+  // If the compression strategy indicates to compress a file and the same file
+  // matches one of the `uncompressed_glob` values, the `uncompressed_glob`
+  // takes precedence (the file is left uncompressed in the generated APK).
+  //
+  // If unspecified, asset module content is left uncompressed in the
+  // generated asset modules.
+  //
+  // Note: this flag only configures the compression strategy for install-time
+  // asset modules; the content of on-demand and fast-follow asset modules is
+  // always kept uncompressed.
+  AssetModuleCompression install_time_asset_module_default_compression = 2;
+
+  enum ApkCompressionAlgorithm {
+    // Default in the current version of bundletool is zlib deflate algorithm
+    // with compression level 9 for the application's resources and compression
+    // level 6 for other entries.
+    //
+    // This is a good trade-off between size of final APK and size of patches
+    // which are used to update the application from previous to next version.
+    DEFAULT_APK_COMPRESSION_ALGORITHM = 0;
+
+    // 7zip implementation of deflate algorithm which gives smaller APK size
+    // but size of patches required to update the application are larger.
+    P7ZIP = 1;
+  }
+
+  // Compression algorithm which is used to compress entries in final APKs.
+  ApkCompressionAlgorithm apk_compression_algorithm = 3;
 }
 
 // Resources to keep in the master split.
@@ -55,12 +100,40 @@
   // This is for uncompressing native libraries on M+ devices (L+ devices on
   // instant apps).
   UncompressNativeLibraries uncompress_native_libraries = 2;
-  // This is for uncompressing dex files on P+ devices.
+  // This is for uncompressing dex files.
   UncompressDexFiles uncompress_dex_files = 3;
   // Configuration for the generation of standalone APKs.
   // If no StandaloneConfig is set, the configuration is inherited from
   // splits_config.
   StandaloneConfig standalone_config = 4;
+
+  // Optimizations that are applied to resources.
+  ResourceOptimizations resource_optimizations = 5;
+
+  // Configuration for archiving the app.
+  StoreArchive store_archive = 6;
+}
+
+message ResourceOptimizations {
+  // Whether to use sparse encoding for resource tables.
+  // Resources in sparse resource table are accessed using a binary search tree.
+  // This decreases APK size at the cost of resource retrieval performance.
+  SparseEncoding sparse_encoding = 1;
+
+  enum SparseEncoding {
+    // Previously 'ENFORCED'. This option is deprecated because of issues found
+    // in Android O up to Android Sv2 and causes segfaults in
+    // Resources#getIdentifier.
+    reserved 1;
+    reserved "ENFORCED";
+
+    // Disables sparse encoding.
+    UNSPECIFIED = 0;
+    // Generates special APKs for Android SDK +32 with sparse resource tables.
+    // Devices with Android SDK below 32 will still receive APKs with regular
+    // resource tables.
+    VARIANT_FOR_SDK_32 = 2;
+  }
 }
 
 message UncompressNativeLibraries {
@@ -68,7 +141,39 @@
 }
 
 message UncompressDexFiles {
+  //  A new variant with uncompressed dex will be generated. The sdk targeting
+  //  of the variant is determined by 'uncompressed_dex_target_sdk'.
   bool enabled = 1;
+
+  //  If 'enabled' field is set, this will determine the sdk targeting of the
+  //  generated variant.
+  UncompressedDexTargetSdk uncompressed_dex_target_sdk = 2;
+
+  enum UncompressedDexTargetSdk {
+    // Q+ variant will be generated.
+    UNSPECIFIED = 0;
+    // S+ variant will be generated.
+    SDK_31 = 1;
+  }
+}
+
+message StoreArchive {
+  // Archive is an app state that allows an official app store to reclaim device
+  // storage and disable app functionality temporarily until the user interacts
+  // with the app again. Upon interaction the latest available version of the
+  // app will be restored while leaving user data unaffected.
+  // Enabled by default.
+  bool enabled = 1;
+}
+
+message Locales {
+  // Instructs bundletool to generate locale config and inject it into
+  // AndroidManifest.xml. A locale is marked as supported by the application if
+  // there is at least one resource value in this locale. Be very careful with
+  // this setting because if some of your libraries expose resources in some
+  // locales which are not actually supported by your application it will mark
+  // this locale as supported. Disabled by default.
+  bool inject_locale_config = 1;
 }
 
 // Optimization configuration used to generate Split APKs.
@@ -82,8 +187,28 @@
   repeated SplitDimension split_dimension = 1;
   // Whether 64 bit libraries should be stripped from Standalone APKs.
   bool strip_64_bit_libraries = 2;
+  // Dex merging strategy that should be applied to produce Standalone APKs.
+  DexMergingStrategy dex_merging_strategy = 3;
+
+  enum DexMergingStrategy {
+    // Strategy that does dex merging for applications that have minimum SDK
+    // below 21 to ensure dex files from all modules are merged into one or
+    // mainDexList is applied when merging into one dex is not possible. For
+    // applications with minSdk >= 21 dex files from all modules are copied into
+    // standalone APK as is because Android supports multiple dex files natively
+    // starting from Android 5.0.
+    MERGE_IF_NEEDED = 0;
+    // Requires to copy dex files from all modules into standalone APK as is.
+    // If an application supports SDKs below 21 this strategy puts
+    // responsibility of providing dex files compatible with legacy multidex on
+    // application developers.
+    NEVER_MERGE = 1;
+  }
 }
 
+// BEGIN-INTERNAL
+// LINT.IfChange
+// END-INTERNAL
 message SplitDimension {
   enum Value {
     UNSPECIFIED_VALUE = 0;
@@ -92,8 +217,9 @@
     LANGUAGE = 3;
     TEXTURE_COMPRESSION_FORMAT = 4;
     // BEGIN-INTERNAL
-    GRAPHICS_API = 5;
+    GRAPHICS_API = 5 [deprecated = true];
     // END-INTERNAL
+    DEVICE_TIER = 6;
   }
   Value value = 1;
 
@@ -105,11 +231,14 @@
   // the targeting is encoded in the directory name (e.g: assets/foo#tcf_etc1)
   SuffixStripping suffix_stripping = 3;
 }
+// BEGIN-INTERNAL
+// LINT.ThenChange(//depot/google3/wireless/android/vending/developer/proto/storage/app/apk_bundle.proto)
+// END-INTERNAL
 
 message SuffixStripping {
   // If set to 'true', indicates that the targeting suffix should be removed
-  // from assets paths for this dimension when splits (or asset slices) are
-  // generated.
+  // from assets paths for this dimension when splits (e.g: "asset packs") or
+  // standalone/universal APKs are generated.
   // This only applies to assets.
   // For example a folder with path "assets/level1_textures#tcf_etc1"
   // would be outputted to "assets/level1_textures". File contents are
@@ -117,9 +246,9 @@
   bool enabled = 1;
 
   // The default suffix to be used for the cases where separate slices can't
-  // be generated for this dimension. In the case of standalone/universal APKs
-  // generation, stripping the suffix can lead to file name collisions. This
-  // default suffix defines the directories to retain. The others are
+  // be generated for this dimension - typically for standalone or universal
+  // APKs.
+  // This default suffix defines the directories to retain. The others are
   // discarded: standalone/universal APKs will contain only directories
   // targeted at this value for the dimension.
   //
@@ -135,6 +264,15 @@
 message ApexConfig {
   // Configuration for processing of APKs embedded in an APEX image.
   repeated ApexEmbeddedApkConfig apex_embedded_apk_config = 1;
+
+  // Explicit list of supported ABIs.
+  // Default: See ApexBundleValidator.REQUIRED_ONE_OF_ABI_SETS
+  repeated SupportedAbiSet supported_abi_set = 2;
+}
+
+// Represents a set of ABIs which must be supported by a single APEX image.
+message SupportedAbiSet {
+  repeated string abi = 1;
 }
 
 message ApexEmbeddedApkConfig {
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index 0ba25c8..70f58f5 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -88,6 +88,7 @@
 	flag.StringVar(&cmdlineArgs.OutFile, "o", "build.ninja", "the Ninja file to output")
 	flag.BoolVar(&cmdlineArgs.EmptyNinjaFile, "empty-ninja-file", false, "write out a 0-byte ninja file")
 	flag.BoolVar(&cmdlineArgs.BazelMode, "bazel-mode", false, "use bazel for analysis of certain modules")
+	flag.BoolVar(&cmdlineArgs.BazelMode, "bazel-mode-staging", false, "use bazel for analysis of certain near-ready modules")
 	flag.BoolVar(&cmdlineArgs.BazelModeDev, "bazel-mode-dev", false, "use bazel for analysis of a large number of modules (less stable)")
 
 	// Flags that probably shouldn't be flags of soong_build but we haven't found
@@ -142,6 +143,8 @@
 		buildMode = android.BazelDevMode
 	} else if cmdlineArgs.BazelMode {
 		buildMode = android.BazelProdMode
+	} else if cmdlineArgs.BazelModeStaging {
+		buildMode = android.BazelStagingMode
 	} else {
 		buildMode = android.AnalysisNoBazel
 	}
diff --git a/java/app.go b/java/app.go
index bbd9d2d..2a51e10 100755
--- a/java/app.go
+++ b/java/app.go
@@ -1486,22 +1486,8 @@
 	*bazelAapt
 	Deps             bazel.LabelListAttribute
 	Custom_package   *string
-	Certificate      *bazel.Label
-	Certificate_name *string
-}
-
-// ParseCertificateToAttribute splits the certificate prop into a certificate
-// label attribute or a certificate_name string attribute.
-func ParseCertificateToAttribute(ctx android.TopDownMutatorContext, certificate *string) (*string, *bazel.Label) {
-	var certificateLabel *bazel.Label
-	certificateName := proptools.StringDefault(certificate, "")
-	certModule := android.SrcIsModule(certificateName)
-	if certModule != "" {
-		c := android.BazelLabelForModuleDepSingle(ctx, certificateName)
-		certificateLabel = &c
-		certificate = nil
-	}
-	return certificate, certificateLabel
+	Certificate      bazel.LabelAttribute
+	Certificate_name bazel.StringAttribute
 }
 
 // ConvertWithBp2build is used to convert android_app to Bazel.
@@ -1513,7 +1499,8 @@
 
 	aapt := a.convertAaptAttrsWithBp2Build(ctx)
 
-	certificateName, certificate := ParseCertificateToAttribute(ctx, a.overridableAppProperties.Certificate)
+	certificate, certificateName := android.BazelStringOrLabelFromProp(ctx, a.overridableAppProperties.Certificate)
+
 	attrs := &bazelAndroidAppAttributes{
 		commonAttrs,
 		aapt,
diff --git a/java/fuzz.go b/java/fuzz.go
index 848d364..1d6b913 100644
--- a/java/fuzz.go
+++ b/java/fuzz.go
@@ -104,7 +104,9 @@
 		j.fuzzPackagedModule.Config = configPath
 	}
 
-	ctx.VisitDirectDepsWithTag(cc.JniFuzzLibTag, func(dep android.Module) {
+	_, sharedDeps := cc.CollectAllSharedDependencies(ctx)
+
+	for _, dep := range sharedDeps {
 		sharedLibInfo := ctx.OtherModuleProvider(dep, cc.SharedLibraryInfoProvider).(cc.SharedLibraryInfo)
 		if sharedLibInfo.SharedLibrary != nil {
 			// The .class jars are output in slightly different locations
@@ -127,7 +129,7 @@
 		} else {
 			ctx.PropertyErrorf("jni_libs", "%q of type %q is not supported", dep.Name(), ctx.OtherModuleType(dep))
 		}
-	})
+	}
 
 	j.Library.GenerateAndroidBuildActions(ctx)
 }
diff --git a/java/robolectric.go b/java/robolectric.go
index b6116ec..2cb0798 100644
--- a/java/robolectric.go
+++ b/java/robolectric.go
@@ -65,6 +65,10 @@
 	// The version number of a robolectric prebuilt to use from prebuilts/misc/common/robolectric
 	// instead of the one built from source in external/robolectric-shadows.
 	Robolectric_prebuilt_version *string
+
+	// Use /external/robolectric rather than /external/robolectric-shadows as the version of robolectri
+	// to use.  /external/robolectric closely tracks github's master, and will fully replace /external/robolectric-shadows
+	Upstream *bool
 }
 
 type robolectricTest struct {
@@ -108,7 +112,11 @@
 	if v := String(r.robolectricProperties.Robolectric_prebuilt_version); v != "" {
 		ctx.AddVariationDependencies(nil, libTag, fmt.Sprintf(robolectricPrebuiltLibPattern, v))
 	} else {
-		ctx.AddVariationDependencies(nil, libTag, robolectricCurrentLib)
+		if proptools.Bool(r.robolectricProperties.Upstream) {
+			ctx.AddVariationDependencies(nil, libTag, robolectricCurrentLib+"_upstream")
+		} else {
+			ctx.AddVariationDependencies(nil, libTag, robolectricCurrentLib)
+		}
 	}
 
 	ctx.AddVariationDependencies(nil, libTag, robolectricDefaultLibs...)
diff --git a/rust/bindgen.go b/rust/bindgen.go
index 0199d3a..17d80dd 100644
--- a/rust/bindgen.go
+++ b/rust/bindgen.go
@@ -30,7 +30,7 @@
 	defaultBindgenFlags = []string{""}
 
 	// bindgen should specify its own Clang revision so updating Clang isn't potentially blocked on bindgen failures.
-	bindgenClangVersion = "clang-r450784d"
+	bindgenClangVersion = "clang-r468909b"
 
 	_ = pctx.VariableFunc("bindgenClangVersion", func(ctx android.PackageVarContext) string {
 		if override := ctx.Config().Getenv("LLVM_BINDGEN_PREBUILTS_VERSION"); override != "" {
@@ -51,7 +51,7 @@
 	})
 	_ = pctx.VariableFunc("bindgenClangLibdir", func(ctx android.PackageVarContext) string {
 		if ctx.Config().UseHostMusl() {
-			return "musl/lib64/"
+			return "musl/lib/"
 		} else {
 			return "lib64/"
 		}
@@ -239,6 +239,10 @@
 		cflags = append(cflags, "-x c")
 	}
 
+	// clang-r468909b complains about the -x c in the flags in clang-sys parse_search_paths:
+	// clang: error: '-x c' after last input file has no effect [-Werror,-Wunused-command-line-argument]
+	cflags = append(cflags, "-Wno-unused-command-line-argument")
+
 	// LLVM_NEXT may contain flags that bindgen doesn't recognise. Turn off unknown flags warning.
 	if ctx.Config().IsEnvTrue("LLVM_NEXT") {
 		cflags = append(cflags, "-Wno-unknown-warning-option")
diff --git a/rust/fuzz.go b/rust/fuzz.go
index 76cf21a..6faf55c 100644
--- a/rust/fuzz.go
+++ b/rust/fuzz.go
@@ -91,7 +91,7 @@
 	out := fuzzer.binaryDecorator.compile(ctx, flags, deps)
 
 	// Grab the list of required shared libraries.
-	fuzzer.sharedLibraries = cc.CollectAllSharedDependencies(ctx)
+	fuzzer.sharedLibraries, _ = cc.CollectAllSharedDependencies(ctx)
 
 	return out
 }
diff --git a/scripts/microfactory.bash b/scripts/microfactory.bash
index 192b38f..ce4a0e4 100644
--- a/scripts/microfactory.bash
+++ b/scripts/microfactory.bash
@@ -59,7 +59,7 @@
     BUILDDIR=$(getoutdir) \
       SRCDIR=${TOP} \
       BLUEPRINTDIR=${TOP}/build/blueprint \
-      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path rbcrun=${TOP}/build/make/tools/rbcrun -pkg-path google.golang.org/protobuf=${TOP}/external/golang-protobuf -pkg-path go.starlark.net=${TOP}/external/starlark-go" \
+      EXTRA_ARGS="-pkg-path android/soong=${TOP}/build/soong -pkg-path prebuilts/bazel/common/proto=${TOP}/prebuilts/bazel/common/proto -pkg-path rbcrun=${TOP}/build/make/tools/rbcrun -pkg-path google.golang.org/protobuf=${TOP}/external/golang-protobuf -pkg-path go.starlark.net=${TOP}/external/starlark-go" \
       build_go $@
 }
 
diff --git a/ui/build/build.go b/ui/build/build.go
index 2022e50..b9bd898 100644
--- a/ui/build/build.go
+++ b/ui/build/build.go
@@ -112,9 +112,19 @@
 // checkBazelMode fails the build if there are conflicting arguments for which bazel
 // build mode to use.
 func checkBazelMode(ctx Context, config Config) {
-	if config.bazelProdMode && config.bazelDevMode {
+	count := 0
+	if config.bazelProdMode {
+		count++
+	}
+	if config.bazelDevMode {
+		count++
+	}
+	if config.bazelStagingMode {
+		count++
+	}
+	if count > 1 {
 		ctx.Fatalln("Conflicting bazel mode.\n" +
-			"Do not specify both --bazel-mode and --bazel-mode-dev")
+			"Do not specify more than one of --bazel-mode and --bazel-mode-dev and --bazel-mode-staging ")
 	}
 }
 
diff --git a/ui/build/config.go b/ui/build/config.go
index f6f5b46..cde8d5d 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -100,8 +100,9 @@
 
 	pathReplaced bool
 
-	bazelProdMode bool
-	bazelDevMode  bool
+	bazelProdMode    bool
+	bazelDevMode     bool
+	bazelStagingMode bool
 
 	// Set by multiproduct_kati
 	emptyNinjaFile bool
@@ -721,6 +722,8 @@
 			c.bazelProdMode = true
 		} else if arg == "--bazel-mode-dev" {
 			c.bazelDevMode = true
+		} else if arg == "--bazel-mode-staging" {
+			c.bazelStagingMode = true
 		} else if len(arg) > 0 && arg[0] == '-' {
 			parseArgNum := func(def int) int {
 				if len(arg) > 2 {
@@ -1115,7 +1118,7 @@
 }
 
 func (c *configImpl) BazelBuildEnabled() bool {
-	return c.bazelProdMode || c.bazelDevMode
+	return c.bazelProdMode || c.bazelDevMode || c.bazelStagingMode
 }
 
 func (c *configImpl) StartRBE() bool {
diff --git a/ui/build/config_test.go b/ui/build/config_test.go
index 150ec35..9ea5110 100644
--- a/ui/build/config_test.go
+++ b/ui/build/config_test.go
@@ -1008,6 +1008,7 @@
 		useBazel            bool
 		bazelDevMode        bool
 		bazelProdMode       bool
+		bazelStagingMode    bool
 		expectedBuildConfig *smpb.BuildConfig
 	}{
 		{
@@ -1084,6 +1085,17 @@
 			},
 		},
 		{
+			name:             "bazel mixed build from staging mode",
+			environ:          Environment{},
+			bazelStagingMode: true,
+			expectedBuildConfig: &smpb.BuildConfig{
+				ForceUseGoma:    proto.Bool(false),
+				UseGoma:         proto.Bool(false),
+				UseRbe:          proto.Bool(false),
+				BazelMixedBuild: proto.Bool(true),
+			},
+		},
+		{
 			name:      "specified targets",
 			environ:   Environment{},
 			useBazel:  true,
@@ -1118,10 +1130,11 @@
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
 			c := &configImpl{
-				environ:       &tc.environ,
-				bazelDevMode:  tc.bazelDevMode,
-				bazelProdMode: tc.bazelProdMode,
-				arguments:     tc.arguments,
+				environ:          &tc.environ,
+				bazelDevMode:     tc.bazelDevMode,
+				bazelProdMode:    tc.bazelProdMode,
+				bazelStagingMode: tc.bazelStagingMode,
+				arguments:        tc.arguments,
 			}
 			config := Config{c}
 			checkBazelMode(ctx, config)
diff --git a/ui/build/soong.go b/ui/build/soong.go
index 28c6ec9..00e0497 100644
--- a/ui/build/soong.go
+++ b/ui/build/soong.go
@@ -260,6 +260,9 @@
 	if config.bazelDevMode {
 		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--bazel-mode-dev")
 	}
+	if config.bazelStagingMode {
+		mainSoongBuildExtraArgs = append(mainSoongBuildExtraArgs, "--bazel-mode-staging")
+	}
 
 	mainSoongBuildInvocation := primaryBuilderInvocation(
 		config,
@@ -404,7 +407,7 @@
 	soongBuildEnv.Set("BAZEL_WORKSPACE", absPath(ctx, "."))
 	soongBuildEnv.Set("BAZEL_METRICS_DIR", config.BazelMetricsDir())
 	soongBuildEnv.Set("LOG_DIR", config.LogsDir())
-	soongBuildEnv.Set("BAZEL_DEPS_FILE", filepath.Join(os.Getenv("TOP"), config.OutDir(), "tools", "bazel.list"))
+	soongBuildEnv.Set("BAZEL_DEPS_FILE", absPath(ctx, filepath.Join(config.BazelOutDir(), "bazel.list")))
 
 	// For Soong bootstrapping tests
 	if os.Getenv("ALLOW_MISSING_DEPENDENCIES") == "true" {
diff --git a/ui/metrics/metrics_proto/metrics.pb.go b/ui/metrics/metrics_proto/metrics.pb.go
index 2dd8299..be9b9dc 100644
--- a/ui/metrics/metrics_proto/metrics.pb.go
+++ b/ui/metrics/metrics_proto/metrics.pb.go
@@ -592,6 +592,8 @@
 	// These are the targets soong passes to ninja, these targets include special
 	// targets such as droid as well as the regular build targets.
 	Targets []string `protobuf:"bytes,6,rep,name=targets" json:"targets,omitempty"`
+	// Whether the user explicitly disabled bazel mixed builds for this build.
+	ForceDisableBazelMixedBuild *bool `protobuf:"varint,7,opt,name=force_disable_bazel_mixed_build,json=forceDisableBazelMixedBuild" json:"force_disable_bazel_mixed_build,omitempty"`
 }
 
 func (x *BuildConfig) Reset() {
@@ -668,6 +670,13 @@
 	return nil
 }
 
+func (x *BuildConfig) GetForceDisableBazelMixedBuild() bool {
+	if x != nil && x.ForceDisableBazelMixedBuild != nil {
+		return *x.ForceDisableBazelMixedBuild
+	}
+	return false
+}
+
 type SystemResourceInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1468,7 +1477,7 @@
 	0x0a, 0x07, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x4e, 0x10, 0x00, 0x12, 0x07, 0x0a, 0x03, 0x41,
 	0x52, 0x4d, 0x10, 0x01, 0x12, 0x09, 0x0a, 0x05, 0x41, 0x52, 0x4d, 0x36, 0x34, 0x10, 0x02, 0x12,
 	0x07, 0x0a, 0x03, 0x58, 0x38, 0x36, 0x10, 0x03, 0x12, 0x0a, 0x0a, 0x06, 0x58, 0x38, 0x36, 0x5f,
-	0x36, 0x34, 0x10, 0x04, 0x22, 0xd3, 0x01, 0x0a, 0x0b, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x43, 0x6f,
+	0x36, 0x34, 0x10, 0x04, 0x22, 0x99, 0x02, 0x0a, 0x0b, 0x42, 0x75, 0x69, 0x6c, 0x64, 0x43, 0x6f,
 	0x6e, 0x66, 0x69, 0x67, 0x12, 0x19, 0x0a, 0x08, 0x75, 0x73, 0x65, 0x5f, 0x67, 0x6f, 0x6d, 0x61,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07, 0x75, 0x73, 0x65, 0x47, 0x6f, 0x6d, 0x61, 0x12,
 	0x17, 0x0a, 0x07, 0x75, 0x73, 0x65, 0x5f, 0x72, 0x62, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08,
@@ -1481,132 +1490,137 @@
 	0x78, 0x65, 0x64, 0x5f, 0x62, 0x75, 0x69, 0x6c, 0x64, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52,
 	0x0f, 0x62, 0x61, 0x7a, 0x65, 0x6c, 0x4d, 0x69, 0x78, 0x65, 0x64, 0x42, 0x75, 0x69, 0x6c, 0x64,
 	0x12, 0x18, 0x0a, 0x07, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x73, 0x18, 0x06, 0x20, 0x03, 0x28,
-	0x09, 0x52, 0x07, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x73, 0x22, 0x6f, 0x0a, 0x12, 0x53, 0x79,
-	0x73, 0x74, 0x65, 0x6d, 0x52, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x49, 0x6e, 0x66, 0x6f,
-	0x12, 0x32, 0x0a, 0x15, 0x74, 0x6f, 0x74, 0x61, 0x6c, 0x5f, 0x70, 0x68, 0x79, 0x73, 0x69, 0x63,
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 }
 
 var (
diff --git a/ui/metrics/metrics_proto/metrics.proto b/ui/metrics/metrics_proto/metrics.proto
index 4f8fe7f..3e644a1 100644
--- a/ui/metrics/metrics_proto/metrics.proto
+++ b/ui/metrics/metrics_proto/metrics.proto
@@ -130,6 +130,9 @@
   // These are the targets soong passes to ninja, these targets include special
   // targets such as droid as well as the regular build targets.
   repeated string targets = 6;
+
+  // Whether the user explicitly disabled bazel mixed builds for this build.
+  optional bool force_disable_bazel_mixed_build = 7;
 }
 
 message SystemResourceInfo {