diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index adbed00..c169e22 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -852,9 +852,6 @@
 		"host_bionic_linker_asm",    // depends on extract_linker, a go binary.
 		"host_bionic_linker_script", // depends on extract_linker, a go binary.
 
-		// in cmd attribute of genrule rule //system/timezone/output_data:robolectric_tzdata: label '//system/timezone/output_data:iana/tzdata' in $(location) expression is not a declared prerequisite of this rule
-		"robolectric_tzdata",
-
 		// rust support
 		"libtombstoned_client_rust_bridge_code", "libtombstoned_client_wrapper", // rust conversions are not supported
 
@@ -902,8 +899,6 @@
 		"static_crasher",                // depends on unconverted modules: libdebuggerd_handler
 		"test_fips",                     // depends on unconverted modules: adb
 		"timezone-host",                 // depends on unconverted modules: art.module.api.annotations
-		"truth-host-prebuilt",           // depends on unconverted modules: truth-prebuilt
-		"truth-prebuilt",                // depends on unconverted modules: asm-7.0, guava
 
 		// '//bionic/libc:libc_bp2build_cc_library_static' is duplicated in the 'deps' attribute of rule
 		"toybox-static",
@@ -1478,7 +1473,7 @@
 		"permissive_mte_test",
 		"ICU4CTestRunner",
 
-		"HelloWorldHostTest",  // TODO(b/280452825): Convert HelloWorldHostTest to b test
+		"HelloWorldHostTest", // TODO(b/280452825): Convert HelloWorldHostTest to b test
 	}
 
 	MixedBuildsDisabledList = []string{
diff --git a/android/bazel_paths.go b/android/bazel_paths.go
index ddbdbd4..872e908 100644
--- a/android/bazel_paths.go
+++ b/android/bazel_paths.go
@@ -242,6 +242,11 @@
 
 	// Don't transform OriginalModuleName
 	newPath.OriginalModuleName = path.OriginalModuleName
+	// if it wasn't a module, store the original path. We may need the original path to replace
+	// references if it is actually in another package
+	if path.OriginalModuleName == "" {
+		newPath.OriginalModuleName = path.Label
+	}
 
 	if strings.HasPrefix(path.Label, "//") {
 		// Assume absolute labels are already correct (e.g. //path/to/some/package:foo.h)
diff --git a/android/config.go b/android/config.go
index 14fc04d..0e119a3 100644
--- a/android/config.go
+++ b/android/config.go
@@ -1925,6 +1925,10 @@
 	return InList(name, c.config.productVariables.BuildBrokenInputDirModules)
 }
 
+func (c *config) BuildWarningBadOptionalUsesLibsAllowlist() []string {
+	return c.productVariables.BuildWarningBadOptionalUsesLibsAllowlist
+}
+
 func (c *deviceConfig) GenruleSandboxing() bool {
 	return Bool(c.config.productVariables.GenruleSandboxing)
 }
@@ -1937,10 +1941,6 @@
 	return c.productVariables.SelinuxIgnoreNeverallows
 }
 
-func (c *deviceConfig) SepolicySplit() bool {
-	return c.config.productVariables.SepolicySplit
-}
-
 func (c *deviceConfig) SepolicyFreezeTestExtraDirs() []string {
 	return c.config.productVariables.SepolicyFreezeTestExtraDirs
 }
diff --git a/android/module.go b/android/module.go
index 98084f3..ba32710 100644
--- a/android/module.go
+++ b/android/module.go
@@ -4014,3 +4014,53 @@
 	WriteFileRule(ctx, outFile, string(j))
 	ctx.Phony("soong_config_trace", outFile)
 }
+
+// Interface implemented by xsd_config which has 1:many mappings in bp2build workspace
+// This interface exists because we want to
+// 1. Determine the name of the additional targets generated by the primary soong module
+// 2. Enable distinguishing an xsd_config module from other Soong modules using type assertion
+type XsdConfigBp2buildTargets interface {
+	CppBp2buildTargetName() string
+	JavaBp2buildTargetName() string
+}
+
+// PartitionXsdSrcs partitions srcs into xsd_config modules and others
+// Since xsd_config are soong modules, we cannot use file extension for partitioning
+func PartitionXsdSrcs(ctx BazelConversionPathContext, srcs []string) ([]string, []string) {
+	//isXsd returns true if src is a soong module of type xsd_config
+	isXsd := func(src string) bool {
+		mod, exists := ctx.ModuleFromName(src)
+		if !exists {
+			return false
+		}
+		_, _isXsd := mod.(XsdConfigBp2buildTargets)
+		return _isXsd
+	}
+	nonXsd := []string{}
+	xsd := []string{}
+
+	for _, src := range srcs {
+		if isXsd(src) {
+			xsd = append(xsd, src)
+		} else {
+			nonXsd = append(nonXsd, src)
+		}
+	}
+
+	return nonXsd, xsd
+}
+
+// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-{cpp|java}
+// The new target name is provided by the `targetName` callback function
+func XsdConfigBp2buildTarget(ctx BazelConversionPathContext, mod blueprint.Module, targetName func(xsd XsdConfigBp2buildTargets) string) string {
+	xsd, isXsd := mod.(XsdConfigBp2buildTargets)
+	if !isXsd {
+		ctx.ModuleErrorf("xsdConfigJavaTarget called on %v, which is not an xsd_config", mod)
+	}
+	ret := BazelModuleLabel(ctx, mod)
+	// Remove the base module name
+	ret = strings.TrimSuffix(ret, mod.Name())
+	// Append the language specific target name
+	ret += targetName(xsd)
+	return ret
+}
diff --git a/android/variable.go b/android/variable.go
index 972663b..60a6503 100644
--- a/android/variable.go
+++ b/android/variable.go
@@ -449,14 +449,14 @@
 	BuildBrokenVendorPropertyNamespace bool     `json:",omitempty"`
 	BuildBrokenInputDirModules         []string `json:",omitempty"`
 
+	BuildWarningBadOptionalUsesLibsAllowlist []string `json:",omitempty"`
+
 	BuildDebugfsRestrictionsEnabled bool `json:",omitempty"`
 
 	RequiresInsecureExecmemForSwiftshader bool `json:",omitempty"`
 
 	SelinuxIgnoreNeverallows bool `json:",omitempty"`
 
-	SepolicySplit bool `json:",omitempty"`
-
 	SepolicyFreezeTestExtraDirs         []string `json:",omitempty"`
 	SepolicyFreezeTestExtraPrebuiltDirs []string `json:",omitempty"`
 
diff --git a/bp2build/cc_binary_conversion_test.go b/bp2build/cc_binary_conversion_test.go
index 8a83cc0..610a9ca 100644
--- a/bp2build/cc_binary_conversion_test.go
+++ b/bp2build/cc_binary_conversion_test.go
@@ -1036,3 +1036,73 @@
 		},
 	})
 }
+
+func TestCcBinaryWithCfi(t *testing.T) {
+	runCcBinaryTestCase(t, ccBinaryBp2buildTestCase{
+		description: "cc_binary has correct features when cfi is enabled",
+		blueprint: `
+{rule_name} {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+	},
+}`,
+		targets: []testBazelTarget{
+			{"cc_binary", "foo", AttrNameToString{
+				"features":       `["android_cfi"]`,
+				"local_includes": `["."]`,
+			}},
+		},
+	})
+}
+
+func TestCcBinaryWithCfiOsSpecific(t *testing.T) {
+	runCcBinaryTestCase(t, ccBinaryBp2buildTestCase{
+		description: "cc_binary has correct features when cfi is enabled for specific variants",
+		blueprint: `
+{rule_name} {
+	name: "foo",
+	target: {
+		android: {
+			sanitize: {
+				cfi: true,
+			},
+		},
+	},
+}`,
+		targets: []testBazelTarget{
+			{"cc_binary", "foo", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
+				"local_includes": `["."]`,
+			}},
+		},
+	})
+}
+
+func TestCcBinaryWithCfiAndCfiAssemblySupport(t *testing.T) {
+	runCcBinaryTestCase(t, ccBinaryBp2buildTestCase{
+		description: "cc_binary has correct features when cfi is enabled with cfi assembly support",
+		blueprint: `
+{rule_name} {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+		config: {
+			cfi_assembly_support: true,
+		},
+	},
+}`,
+		targets: []testBazelTarget{
+			{"cc_binary", "foo", AttrNameToString{
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
+				"local_includes": `["."]`,
+			}},
+		},
+	})
+}
diff --git a/bp2build/cc_library_conversion_test.go b/bp2build/cc_library_conversion_test.go
index 3dd9373..c2dba67 100644
--- a/bp2build/cc_library_conversion_test.go
+++ b/bp2build/cc_library_conversion_test.go
@@ -4718,3 +4718,97 @@
 		},
 	})
 }
+
+func TestCcLibraryWithCfi(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		Description:                "cc_library has correct features when cfi is enabled",
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: `
+cc_library {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
+				"features":       `["android_cfi"]`,
+				"local_includes": `["."]`,
+			}),
+			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+				"features":       `["android_cfi"]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryWithCfiOsSpecific(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		Description:                "cc_library has correct features when cfi is enabled for specific variants",
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: `
+cc_library {
+	name: "foo",
+	target: {
+		android: {
+			sanitize: {
+				cfi: true,
+			},
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
+				"local_includes": `["."]`,
+			}),
+			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryWithCfiAndCfiAssemblySupport(t *testing.T) {
+	runCcLibraryTestCase(t, Bp2buildTestCase{
+		Description:                "cc_library has correct features when cfi is enabled with cfi_assembly_support",
+		ModuleTypeUnderTest:        "cc_library",
+		ModuleTypeUnderTestFactory: cc.LibraryFactory,
+		Blueprint: `
+cc_library {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+		config: {
+			cfi_assembly_support: true,
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo_bp2build_cc_library_static", AttrNameToString{
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
+				"local_includes": `["."]`,
+			}),
+			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/cc_library_shared_conversion_test.go b/bp2build/cc_library_shared_conversion_test.go
index 6c9f9a1..7f0ba44 100644
--- a/bp2build/cc_library_shared_conversion_test.go
+++ b/bp2build/cc_library_shared_conversion_test.go
@@ -1445,3 +1445,73 @@
 		},
 	})
 }
+
+func TestCcLibrarySharedWithCfi(t *testing.T) {
+	runCcLibrarySharedTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_shared has correct features when cfi is enabled for specific variants",
+		Blueprint: `
+cc_library_shared {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+				"features":       `["android_cfi"]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibrarySharedWithCfiOsSpecific(t *testing.T) {
+	runCcLibrarySharedTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_shared has correct features when cfi is enabled",
+		Blueprint: `
+cc_library_shared {
+	name: "foo",
+	target: {
+		android: {
+			sanitize: {
+				cfi: true,
+			},
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_shared", "foo", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibrarySharedWithCfiAndCfiAssemblySupport(t *testing.T) {
+	runCcLibrarySharedTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_shared has correct features when cfi is enabled with cfi assembly support",
+		Blueprint: `
+cc_library_static {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+		config: {
+			cfi_assembly_support: true,
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index 2705aaf..f537871 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -2075,3 +2075,73 @@
 		},
 	})
 }
+
+func TestCcLibraryStaticWithCfi(t *testing.T) {
+	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_static has correct features when cfi is enabled",
+		Blueprint: `
+cc_library_static {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features":       `["android_cfi"]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryStaticWithCfiOsSpecific(t *testing.T) {
+	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_static has correct features when cfi is enabled for specific variants",
+		Blueprint: `
+cc_library_static {
+	name: "foo",
+	target: {
+		android: {
+			sanitize: {
+				cfi: true,
+			},
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features": `select({
+        "//build/bazel/platforms/os:android": ["android_cfi"],
+        "//conditions:default": [],
+    })`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
+
+func TestCcLibraryStaticWithCfiAndCfiAssemblySupport(t *testing.T) {
+	runCcLibraryStaticTestCase(t, Bp2buildTestCase{
+		Description: "cc_library_static has correct features when cfi is enabled with cfi_assembly_support",
+		Blueprint: `
+cc_library_static {
+	name: "foo",
+	sanitize: {
+		cfi: true,
+		config: {
+			cfi_assembly_support: true,
+		},
+	},
+}`,
+		ExpectedBazelTargets: []string{
+			MakeBazelTarget("cc_library_static", "foo", AttrNameToString{
+				"features": `[
+        "android_cfi",
+        "android_cfi_assembly_support",
+    ]`,
+				"local_includes": `["."]`,
+			}),
+		},
+	})
+}
diff --git a/bp2build/genrule_conversion_test.go b/bp2build/genrule_conversion_test.go
index 3490881..5cf4fb2 100644
--- a/bp2build/genrule_conversion_test.go
+++ b/bp2build/genrule_conversion_test.go
@@ -49,6 +49,7 @@
     srcs: ["other_tool.in"],
     cmd: "cp $(in) $(out)",
 }`, genruleTarget, genruleTarget),
+		"other/file.txt": "",
 	}
 }
 
@@ -293,17 +294,20 @@
 	bp := `%s {
     name: "foo",
     out: ["foo.out"],
-    srcs: [":other.tool"],
+    srcs: [":other.tool", "other/file.txt",],
     tool_files: [":foo.tool"],
-    cmd: "$(locations :foo.tool) -s $(out) $(location :other.tool)",
+    cmd: "$(locations :foo.tool) $(location other/file.txt) -s $(out) $(location :other.tool)",
     bazel_module: { bp2build_available: true },
 }`
 
 	for _, tc := range testCases {
 		moduleAttrs := AttrNameToString{
-			"cmd":   `"$(locations //other:foo.tool) -s $(OUTS) $(location //other:other.tool)"`,
-			"outs":  `["foo.out"]`,
-			"srcs":  `["//other:other.tool"]`,
+			"cmd":  `"$(locations //other:foo.tool) $(location //other:file.txt) -s $(OUTS) $(location //other:other.tool)"`,
+			"outs": `["foo.out"]`,
+			"srcs": `[
+        "//other:other.tool",
+        "//other:file.txt",
+    ]`,
 			"tools": `["//other:foo.tool"]`,
 		}
 
diff --git a/cc/bp2build.go b/cc/bp2build.go
index 259ba39..34cc574 100644
--- a/cc/bp2build.go
+++ b/cc/bp2build.go
@@ -591,7 +591,8 @@
 	anySrcs := false
 	// Add srcs-like dependencies such as generated files.
 	// First create a LabelList containing these dependencies, then merge the values with srcs.
-	generatedSrcsLabelList := android.BazelLabelForModuleDepsExcludes(ctx, props.Generated_sources, props.Exclude_generated_sources)
+	genSrcs, _ := android.PartitionXsdSrcs(ctx, props.Generated_sources)
+	generatedSrcsLabelList := android.BazelLabelForModuleDepsExcludes(ctx, genSrcs, props.Exclude_generated_sources)
 	if len(props.Generated_sources) > 0 || len(props.Exclude_generated_sources) > 0 {
 		anySrcs = true
 	}
@@ -716,6 +717,14 @@
 	return ret
 }
 
+// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-cpp
+func xsdConfigCppTarget(ctx android.BazelConversionPathContext, mod blueprint.Module) string {
+	callback := func(xsd android.XsdConfigBp2buildTargets) string {
+		return xsd.CppBp2buildTargetName()
+	}
+	return android.XsdConfigBp2buildTarget(ctx, mod, callback)
+}
+
 // bp2BuildParseBaseProps returns all compiler, linker, library attributes of a cc module..
 func bp2BuildParseBaseProps(ctx android.Bp2buildMutatorContext, module *Module) baseAttributes {
 	archVariantCompilerProps := module.GetArchVariantProperties(ctx, &BaseCompilerProperties{})
@@ -754,7 +763,14 @@
 		for cfg := range configs {
 			var allHdrs []string
 			if baseCompilerProps, ok := archVariantCompilerProps[axis][cfg].(*BaseCompilerProperties); ok {
-				allHdrs = baseCompilerProps.Generated_headers
+				ah, allHdrsXsd := android.PartitionXsdSrcs(ctx, baseCompilerProps.Generated_headers)
+				allHdrs = ah
+				// in the synthetic bp2build workspace, xsd sources are compiled to a static library
+				xsdCppConfigLibraryLabels := android.BazelLabelForModuleDepsWithFn(ctx, allHdrsXsd, xsdConfigCppTarget)
+				iwad := linkerAttrs.implementationWholeArchiveDeps.SelectValue(axis, cfg)
+				(&iwad).Append(xsdCppConfigLibraryLabels)
+				linkerAttrs.implementationWholeArchiveDeps.SetSelectValue(axis, cfg, bazel.FirstUniqueBazelLabelList(iwad))
+
 				if baseCompilerProps.Lex != nil {
 					compilerAttrs.lexopts.SetSelectValue(axis, cfg, baseCompilerProps.Lex.Flags)
 				}
@@ -1757,6 +1773,12 @@
 			for _, sanitizer := range sanitizerProps.Sanitize.Misc_undefined {
 				features = append(features, "ubsan_"+sanitizer)
 			}
+			if proptools.Bool(sanitizerProps.Sanitize.Cfi) {
+				features = append(features, "android_cfi")
+				if proptools.Bool(sanitizerProps.Sanitize.Config.Cfi_assembly_support) {
+					features = append(features, "android_cfi_assembly_support")
+				}
+			}
 			sanitizerFeatures.SetSelectValue(axis, config, features)
 		}
 	})
diff --git a/cc/sanitize.go b/cc/sanitize.go
index 6e732b6..a5691ee 100644
--- a/cc/sanitize.go
+++ b/cc/sanitize.go
@@ -64,13 +64,14 @@
 
 	cfiBlocklistPath     = "external/compiler-rt/lib/cfi"
 	cfiBlocklistFilename = "cfi_blocklist.txt"
+	cfiEnableFlag        = "-fsanitize=cfi"
 	cfiCrossDsoFlag      = "-fsanitize-cfi-cross-dso"
 	cfiCflags            = []string{"-flto", cfiCrossDsoFlag,
 		"-fsanitize-ignorelist=" + cfiBlocklistPath + "/" + cfiBlocklistFilename}
 	// -flto and -fvisibility are required by clang when -fsanitize=cfi is
 	// used, but have no effect on assembly files
 	cfiAsflags = []string{"-flto", "-fvisibility=default"}
-	cfiLdflags = []string{"-flto", cfiCrossDsoFlag, "-fsanitize=cfi",
+	cfiLdflags = []string{"-flto", cfiCrossDsoFlag, cfiEnableFlag,
 		"-Wl,-plugin-opt,O1"}
 	cfiExportsMapPath      = "build/soong/cc/config"
 	cfiExportsMapFilename  = "cfi_exports.map"
@@ -395,8 +396,8 @@
 
 	// Leave out "-flto" from the slices exported to bazel, as we will use the
 	// dedicated LTO feature for this. For C Flags and Linker Flags, also leave
-	// out the cross DSO flag which will be added separately by transitions.
-	exportedVars.ExportStringList("CfiCFlags", cfiCflags[2:])
+	// out the cross DSO flag which will be added separately under the correct conditions.
+	exportedVars.ExportStringList("CfiCFlags", append(cfiCflags[2:], cfiEnableFlag))
 	exportedVars.ExportStringList("CfiLdFlags", cfiLdflags[2:])
 	exportedVars.ExportStringList("CfiAsFlags", cfiAsflags[1:])
 
diff --git a/cmd/soong_build/main.go b/cmd/soong_build/main.go
index d589925..2e6b6d4 100644
--- a/cmd/soong_build/main.go
+++ b/cmd/soong_build/main.go
@@ -16,6 +16,7 @@
 
 import (
 	"bytes"
+	"errors"
 	"flag"
 	"fmt"
 	"os"
@@ -135,12 +136,24 @@
 
 	writeDepFile(cmdlineArgs.OutFile, ctx.EventHandler, ninjaDeps)
 
-	if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
+	if needToWriteNinjaHint(ctx) {
 		writeNinjaHint(ctx)
 	}
 	return cmdlineArgs.OutFile
 }
 
+func needToWriteNinjaHint(ctx *android.Context) bool {
+	switch ctx.Config().GetenvWithDefault("SOONG_GENERATES_NINJA_HINT", "") {
+	case "always":
+		return true
+	case "depend":
+		if _, err := os.Stat(filepath.Join(ctx.Config().OutDir(), ".ninja_log")); errors.Is(err, os.ErrNotExist) {
+			return true
+		}
+	}
+	return false
+}
+
 // Run the code-generation phase to convert BazelTargetModules to BUILD files.
 func runQueryView(queryviewDir, queryviewMarker string, ctx *android.Context) {
 	ctx.EventHandler.Begin("queryview")
@@ -460,7 +473,7 @@
 		// The actual output (build.ninja) was written in the RunBlueprint() call
 		// above
 		writeDepFile(cmdlineArgs.OutFile, ctx.EventHandler, ninjaDeps)
-		if ctx.Config().IsEnvTrue("SOONG_GENERATES_NINJA_HINT") {
+		if needToWriteNinjaHint(ctx) {
 			writeNinjaHint(ctx)
 		}
 		return cmdlineArgs.OutFile
diff --git a/fuzz/fuzz_common.go b/fuzz/fuzz_common.go
index 2a1b404..b470304 100644
--- a/fuzz/fuzz_common.go
+++ b/fuzz/fuzz_common.go
@@ -170,6 +170,27 @@
 	return false
 }
 
+type UsePlatformLibs string
+
+const (
+	unknown_use_platform_libs UsePlatformLibs = "unknown_use_platform_libs"
+	// Use the native libraries on the device, typically in /system directory
+	use_platform_libs = "use_platform_libs"
+	// Do not use any native libraries (ART will not be initialized)
+	use_none = "use_none"
+)
+
+func (use_platform_libs UsePlatformLibs) isValidUsePlatformLibs() bool {
+	switch use_platform_libs {
+	case "",
+		unknown_use_platform_libs,
+		use_platform_libs,
+		use_none:
+		return true
+	}
+	return false
+}
+
 type UserData string
 
 const (
@@ -284,6 +305,10 @@
 		if !config.Automatically_route_to.isValidAutomaticallyRouteTo() {
 			panic(fmt.Errorf("Invalid automatically_route_to in fuzz config in %s", moduleName))
 		}
+
+		if !config.Use_platform_libs.isValidUsePlatformLibs() {
+			panic(fmt.Errorf("Invalid use_platform_libs in fuzz config in %s", moduleName))
+		}
 	}
 	return true
 }
@@ -341,6 +366,8 @@
 	Target_modules []string `json:"target_modules,omitempty"`
 	// Specifies a bug assignee to replace default ISE assignment
 	Triage_assignee string `json:"triage_assignee,omitempty"`
+	// Specifies libs used to initialize ART (java only, 'use_none' for no initialization)
+	Use_platform_libs UsePlatformLibs `json:"use_platform_libs,omitempty"`
 }
 
 type FuzzFrameworks struct {
diff --git a/java/app.go b/java/app.go
index 58580d4..3e4c8cf 100755
--- a/java/app.go
+++ b/java/app.go
@@ -1396,7 +1396,7 @@
 func (u *usesLibrary) presentOptionalUsesLibs(ctx android.BaseModuleContext) []string {
 	optionalUsesLibs := android.FilterListPred(u.usesLibraryProperties.Optional_uses_libs, func(s string) bool {
 		exists := ctx.OtherModuleExists(s)
-		if !exists {
+		if !exists && !android.InList(ctx.ModuleName(), ctx.Config().BuildWarningBadOptionalUsesLibsAllowlist()) {
 			fmt.Printf("Warning: Module '%s' depends on non-existing optional_uses_libs '%s'\n", ctx.ModuleName(), s)
 		}
 		return exists
diff --git a/java/app_test.go b/java/app_test.go
index 5aed178..cf7d174 100644
--- a/java/app_test.go
+++ b/java/app_test.go
@@ -2644,6 +2644,9 @@
 		prepareForJavaTest,
 		PrepareForTestWithJavaSdkLibraryFiles,
 		FixtureWithLastReleaseApis("runtime-library", "foo", "quuz", "qux", "bar", "fred"),
+		android.FixtureModifyProductVariables(func(variables android.FixtureProductVariables) {
+			variables.BuildWarningBadOptionalUsesLibsAllowlist = []string{"app", "prebuilt"}
+		}),
 	).RunTestWithBp(t, bp)
 
 	app := result.ModuleForTests("app", "android_common")
diff --git a/java/fuzz.go b/java/fuzz.go
index 5dfaacf..b3c2fd4 100644
--- a/java/fuzz.go
+++ b/java/fuzz.go
@@ -30,8 +30,12 @@
 const (
 	hostString   = "host"
 	targetString = "target"
+	deviceString = "device"
 )
 
+// Any shared libs for these deps will also be packaged
+var artDeps = []string{"libdl_android"}
+
 func init() {
 	RegisterJavaFuzzBuildComponents(android.InitRegistrationContext)
 }
@@ -78,7 +82,18 @@
 }
 
 func (j *JavaFuzzTest) DepsMutator(ctx android.BottomUpMutatorContext) {
+	if j.Os().Class.String() == deviceString {
+		j.testProperties.Jni_libs = append(j.testProperties.Jni_libs, artDeps...)
+	}
+
 	if len(j.testProperties.Jni_libs) > 0 {
+		if j.fuzzPackagedModule.FuzzProperties.Fuzz_config == nil {
+			config := &fuzz.FuzzConfig{}
+			j.fuzzPackagedModule.FuzzProperties.Fuzz_config = config
+		}
+		// this will be used by the ingestion pipeline to determine the version
+		// of jazzer to add to the fuzzer package
+		j.fuzzPackagedModule.FuzzProperties.Fuzz_config.IsJni = proptools.BoolPtr(true)
 		for _, target := range ctx.MultiTargets() {
 			sharedLibVariations := append(target.Variations(), blueprint.Variation{Mutator: "link", Variation: "shared"})
 			ctx.AddFarVariationDependencies(sharedLibVariations, jniLibTag, j.testProperties.Jni_libs...)
diff --git a/java/java.go b/java/java.go
index 4f7b401..a8793fe 100644
--- a/java/java.go
+++ b/java/java.go
@@ -2813,6 +2813,14 @@
 	hasKotlin bool
 }
 
+// Replaces //a/b/my_xsd_config with //a/b/my_xsd_config-java
+func xsdConfigJavaTarget(ctx android.BazelConversionPathContext, mod blueprint.Module) string {
+	callback := func(xsd android.XsdConfigBp2buildTargets) string {
+		return xsd.JavaBp2buildTargetName()
+	}
+	return android.XsdConfigBp2buildTarget(ctx, mod, callback)
+}
+
 // convertLibraryAttrsBp2Build returns a javaCommonAttributes struct with
 // converted attributes shared across java_* modules and a bp2BuildJavaInfo struct
 // which has other non-attribute information needed for bp2build conversion
@@ -2827,8 +2835,15 @@
 	for axis, configToProps := range archVariantProps {
 		for config, _props := range configToProps {
 			if archProps, ok := _props.(*CommonProperties); ok {
-				archSrcs := android.BazelLabelForModuleSrcExcludes(ctx, archProps.Srcs, archProps.Exclude_srcs)
+				srcsNonXsd, srcsXsd := android.PartitionXsdSrcs(ctx, archProps.Srcs)
+				excludeSrcsNonXsd, _ := android.PartitionXsdSrcs(ctx, archProps.Exclude_srcs)
+				archSrcs := android.BazelLabelForModuleSrcExcludes(ctx, srcsNonXsd, excludeSrcsNonXsd)
 				srcs.SetSelectValue(axis, config, archSrcs)
+
+				// Add to static deps
+				xsdJavaConfigLibraryLabels := android.BazelLabelForModuleDepsWithFn(ctx, srcsXsd, xsdConfigJavaTarget)
+				staticDeps.Append(xsdJavaConfigLibraryLabels)
+
 			}
 		}
 	}
diff --git a/tests/apex_comparison_tests.sh b/tests/apex_comparison_tests.sh
index e350323..8893060 100755
--- a/tests/apex_comparison_tests.sh
+++ b/tests/apex_comparison_tests.sh
@@ -29,7 +29,7 @@
 # Test Setup
 ############
 
-OUTPUT_DIR="$(mktemp -d tmp.XXXXXX)"
+OUTPUT_DIR="$(mktemp -d $(pwd)/tmp.XXXXXX)"
 SOONG_OUTPUT_DIR="$OUTPUT_DIR/soong"
 BAZEL_OUTPUT_DIR="$OUTPUT_DIR/bazel"
 
@@ -45,6 +45,12 @@
   call_bazel clean
   rm -rf "${OUTPUT_DIR}"
 }
+
+function deapexer() {
+  DEBUGFS_PATH="$(realpath $(call_bazel cquery --config=bp2build --config=linux_x86_64 --config=ci --output=files //external/e2fsprogs/debugfs))"
+  call_bazel run --config=bp2build //system/apex/tools:deapexer -- --debugfs_path=$DEBUGFS_PATH $@
+}
+
 trap cleanup EXIT
 
 ###########
@@ -72,10 +78,7 @@
 BAZEL_MINIMAL="$(realpath $(call_bazel cquery --config=bp2build --config=android --config=ci --output=files //build/bazel/examples/apex/minimal:build.bazel.examples.apex.minimal))"
 
 # # Build debugfs separately, as it's not a dep of apexer, but needs to be an explicit arg.
-call_bazel build --config=bp2build --config=linux_x86_64 //external/e2fsprogs/debugfs //system/apex/tools:deapexer
-DEBUGFS_PATH="$(realpath $(call_bazel cquery --config=bp2build --config=linux_x86_64 --config=ci --output=files //external/e2fsprogs/debugfs))"
-DEAPEXER="bazel-bin/system/apex/tools/deapexer"
-DEAPEXER="$DEAPEXER --debugfs_path=$DEBUGFS_PATH"
+call_bazel build --config=bp2build --config=linux_x86_64 //external/e2fsprogs/debugfs
 
 #######
 # Tests
@@ -91,8 +94,8 @@
   local SOONG_LIST="$OUTPUT_DIR/soong.list"
   local BAZEL_LIST="$OUTPUT_DIR/bazel.list"
 
-  $DEAPEXER list "$SOONG_APEX" > "$SOONG_LIST"
-  $DEAPEXER list "$BAZEL_APEX" > "$BAZEL_LIST"
+  deapexer list "$SOONG_APEX" > "$SOONG_LIST"
+  deapexer list "$BAZEL_APEX" > "$BAZEL_LIST"
 
   if cmp -s "$SOONG_LIST" "$BAZEL_LIST"
   then
diff --git a/ui/build/cleanbuild.go b/ui/build/cleanbuild.go
index ee53327..41cb5ab 100644
--- a/ui/build/cleanbuild.go
+++ b/ui/build/cleanbuild.go
@@ -135,6 +135,7 @@
 		productOut("obj/NOTICE_FILES"),
 		productOut("obj/PACKAGING"),
 		productOut("ramdisk"),
+		productOut("ramdisk_16k"),
 		productOut("debug_ramdisk"),
 		productOut("vendor_ramdisk"),
 		productOut("vendor_debug_ramdisk"),
diff --git a/ui/build/config.go b/ui/build/config.go
index 711774a..697cc66 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -16,6 +16,7 @@
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"math/rand"
@@ -136,6 +137,9 @@
 	EXTERNAL_FILE
 	// ninja uses a prioritized module list from Soong
 	HINT_FROM_SOONG
+	// If ninja log exists, use NINJA_LOG, if not, use HINT_FROM_SOONG instead.
+	// We can assume it is an incremental build if ninja log exists.
+	DEFAULT
 )
 const srcDirFileCheck = "build/soong/root.bp"
 
@@ -233,7 +237,7 @@
 	ret := &configImpl{
 		environ:               OsEnvironment(),
 		sandboxConfig:         &SandboxConfig{},
-		ninjaWeightListSource: NINJA_LOG,
+		ninjaWeightListSource: DEFAULT,
 	}
 
 	// Default matching ninja
@@ -244,8 +248,21 @@
 	ret.parseArgs(ctx, args)
 
 	if ret.ninjaWeightListSource == HINT_FROM_SOONG {
-		ret.environ.Set("SOONG_GENERATES_NINJA_HINT", "true")
+		ret.environ.Set("SOONG_GENERATES_NINJA_HINT", "always")
+	} else if ret.ninjaWeightListSource == DEFAULT {
+		defaultNinjaWeightListSource := NINJA_LOG
+		if _, err := os.Stat(filepath.Join(ret.OutDir(), ninjaLogFileName)); errors.Is(err, os.ErrNotExist) {
+			ctx.Verboseln("$OUT/.ninja_log doesn't exist, use HINT_FROM_SOONG instead")
+			defaultNinjaWeightListSource = HINT_FROM_SOONG
+		} else {
+			ctx.Verboseln("$OUT/.ninja_log exist, use NINJA_LOG")
+		}
+		ret.ninjaWeightListSource = defaultNinjaWeightListSource
+		// soong_build generates ninja hint depending on ninja log existence.
+		// Set it "depend" to avoid soong re-run due to env variable change.
+		ret.environ.Set("SOONG_GENERATES_NINJA_HINT", "depend")
 	}
+
 	// Make sure OUT_DIR is set appropriately
 	if outDir, ok := ret.environ.Get("OUT_DIR"); ok {
 		ret.environ.Set("OUT_DIR", filepath.Clean(outDir))
diff --git a/ui/build/paths/config.go b/ui/build/paths/config.go
index b3092ea..b3e871f 100644
--- a/ui/build/paths/config.go
+++ b/ui/build/paths/config.go
@@ -86,27 +86,29 @@
 // This list specifies whether a particular binary from $PATH is allowed to be
 // run during the build. For more documentation, see path_interposer.go .
 var Configuration = map[string]PathConfig{
-	"bash":    Allowed,
-	"dd":      Allowed,
-	"diff":    Allowed,
-	"dlv":     Allowed,
-	"expr":    Allowed,
-	"fuser":   Allowed,
-	"getopt":  Allowed,
-	"git":     Allowed,
-	"hexdump": Allowed,
-	"jar":     Allowed,
-	"java":    Allowed,
-	"javap":   Allowed,
-	"lsof":    Allowed,
-	"openssl": Allowed,
-	"pstree":  Allowed,
-	"rsync":   Allowed,
-	"sh":      Allowed,
-	"stubby":  Allowed,
-	"tr":      Allowed,
-	"unzip":   Allowed,
-	"zip":     Allowed,
+	"bash":           Allowed,
+	"dd":             Allowed,
+	"diff":           Allowed,
+	"dlv":            Allowed,
+	"expr":           Allowed,
+	"fuser":          Allowed,
+	"gcert":          Allowed,
+	"getopt":         Allowed,
+	"git":            Allowed,
+	"hexdump":        Allowed,
+	"jar":            Allowed,
+	"java":           Allowed,
+	"javap":          Allowed,
+	"lsof":           Allowed,
+	"openssl":        Allowed,
+	"prodcertstatus": Allowed,
+	"pstree":         Allowed,
+	"rsync":          Allowed,
+	"sh":             Allowed,
+	"stubby":         Allowed,
+	"tr":             Allowed,
+	"unzip":          Allowed,
+	"zip":            Allowed,
 
 	// Host toolchain is removed. In-tree toolchain should be used instead.
 	// GCC also can't find cc1 with this implementation.
diff --git a/ui/metrics/BUILD.bazel b/ui/metrics/BUILD.bazel
index 2dc1ab6..ca39c59 100644
--- a/ui/metrics/BUILD.bazel
+++ b/ui/metrics/BUILD.bazel
@@ -23,6 +23,7 @@
 proto_library(
     name = "metrics-proto",
     srcs = [
+        "bazel_metrics_proto/bazel_metrics.proto",
         "bp2build_metrics_proto/bp2build_metrics.proto",
         "metrics_proto/metrics.proto",
     ],