diff --git a/cc/config/global.go b/cc/config/global.go
index b19682d..61f48c4 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -166,7 +166,7 @@
 		"-funwind-tables",
 		"-fstack-protector-strong",
 		"-Wa,--noexecstack",
-		"-D_FORTIFY_SOURCE=2",
+		"-D_FORTIFY_SOURCE=3",
 
 		"-Wstrict-aliasing=2",
 
diff --git a/cmd/release_config/release_config_proto/build_flags_common.pb.go b/cmd/release_config/release_config_proto/build_flags_common.pb.go
index f8ad38f..7b52b07 100644
--- a/cmd/release_config/release_config_proto/build_flags_common.pb.go
+++ b/cmd/release_config/release_config_proto/build_flags_common.pb.go
@@ -15,7 +15,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: build_flags_common.proto
 
diff --git a/cmd/release_config/release_config_proto/build_flags_declarations.pb.go b/cmd/release_config/release_config_proto/build_flags_declarations.pb.go
index 1df246c..0029f99 100644
--- a/cmd/release_config/release_config_proto/build_flags_declarations.pb.go
+++ b/cmd/release_config/release_config_proto/build_flags_declarations.pb.go
@@ -15,7 +15,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: build_flags_declarations.proto
 
diff --git a/cmd/release_config/release_config_proto/build_flags_out.pb.go b/cmd/release_config/release_config_proto/build_flags_out.pb.go
index ec07415..21a37a9 100644
--- a/cmd/release_config/release_config_proto/build_flags_out.pb.go
+++ b/cmd/release_config/release_config_proto/build_flags_out.pb.go
@@ -15,7 +15,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: build_flags_out.proto
 
@@ -237,6 +237,10 @@
 	ValueDirectories []string `protobuf:"bytes,8,rep,name=value_directories,json=valueDirectories" json:"value_directories,omitempty"`
 	// The ReleaseConfigType of this release config.
 	ReleaseConfigType *ReleaseConfigType `protobuf:"varint,9,opt,name=release_config_type,json=releaseConfigType,enum=android.release_config_proto.ReleaseConfigType" json:"release_config_type,omitempty"`
+	// Whether to disallow this release config as TARGET_RELEASE.
+	// If true, this release config can only be inherited, it cannot be used
+	// directly in a build.
+	DisallowLunchUse *bool `protobuf:"varint,10,opt,name=disallow_lunch_use,json=disallowLunchUse" json:"disallow_lunch_use,omitempty"`
 }
 
 func (x *ReleaseConfigArtifact) Reset() {
@@ -334,6 +338,13 @@
 	return ReleaseConfigType_CONFIG_TYPE_UNSPECIFIED
 }
 
+func (x *ReleaseConfigArtifact) GetDisallowLunchUse() bool {
+	if x != nil && x.DisallowLunchUse != nil {
+		return *x.DisallowLunchUse
+	}
+	return false
+}
+
 type ReleaseConfigsArtifact struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -434,7 +445,7 @@
 	0x64, 0x2e, 0x72, 0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x5f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
 	0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x46, 0x6c, 0x61, 0x67, 0x41, 0x72, 0x74, 0x69, 0x66,
 	0x61, 0x63, 0x74, 0x52, 0x05, 0x66, 0x6c, 0x61, 0x67, 0x73, 0x52, 0x0e, 0x66, 0x6c, 0x61, 0x67,
-	0x5f, 0x61, 0x72, 0x74, 0x69, 0x66, 0x61, 0x63, 0x74, 0x73, 0x22, 0xbb, 0x03, 0x0a, 0x15, 0x52,
+	0x5f, 0x61, 0x72, 0x74, 0x69, 0x66, 0x61, 0x63, 0x74, 0x73, 0x22, 0xe9, 0x03, 0x0a, 0x15, 0x52,
 	0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x41, 0x72, 0x74, 0x69,
 	0x66, 0x61, 0x63, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1f, 0x0a, 0x0b, 0x6f, 0x74, 0x68, 0x65,
@@ -461,41 +472,44 @@
 	0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x5f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x5f, 0x70, 0x72,
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+	0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 }
 
 var (
diff --git a/cmd/release_config/release_config_proto/build_flags_out.proto b/cmd/release_config/release_config_proto/build_flags_out.proto
index 55c848e..8b53464 100644
--- a/cmd/release_config/release_config_proto/build_flags_out.proto
+++ b/cmd/release_config/release_config_proto/build_flags_out.proto
@@ -99,6 +99,11 @@
 
   // The ReleaseConfigType of this release config.
   optional ReleaseConfigType release_config_type = 9;
+
+  // Whether to disallow this release config as TARGET_RELEASE.
+  // If true, this release config can only be inherited, it cannot be used
+  // directly in a build.
+  optional bool disallow_lunch_use = 10;
 }
 
 message ReleaseConfigsArtifact {
diff --git a/cmd/release_config/release_config_proto/build_flags_src.pb.go b/cmd/release_config/release_config_proto/build_flags_src.pb.go
index c48c323..9fc4ea4 100644
--- a/cmd/release_config/release_config_proto/build_flags_src.pb.go
+++ b/cmd/release_config/release_config_proto/build_flags_src.pb.go
@@ -15,7 +15,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: build_flags_src.proto
 
@@ -410,6 +410,10 @@
 	PriorStages []string `protobuf:"bytes,5,rep,name=prior_stages,json=priorStages" json:"prior_stages,omitempty"`
 	// The ReleaseConfigType of this release config.
 	ReleaseConfigType *ReleaseConfigType `protobuf:"varint,6,opt,name=release_config_type,json=releaseConfigType,enum=android.release_config_proto.ReleaseConfigType" json:"release_config_type,omitempty"`
+	// Whether to disallow this release config as TARGET_RELEASE.
+	// If true, this release config can only be inherited, it cannot be used
+	// directly in a build.
+	DisallowLunchUse *bool `protobuf:"varint,7,opt,name=disallow_lunch_use,json=disallowLunchUse" json:"disallow_lunch_use,omitempty"`
 }
 
 func (x *ReleaseConfig) Reset() {
@@ -486,6 +490,13 @@
 	return ReleaseConfigType_CONFIG_TYPE_UNSPECIFIED
 }
 
+func (x *ReleaseConfig) GetDisallowLunchUse() bool {
+	if x != nil && x.DisallowLunchUse != nil {
+		return *x.DisallowLunchUse
+	}
+	return false
+}
+
 // Any aliases.  These are used for continuous integration builder config.
 type ReleaseAlias struct {
 	state         protoimpl.MessageState
@@ -655,7 +666,7 @@
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@@ -673,32 +684,35 @@
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 }
 
 var (
diff --git a/cmd/release_config/release_config_proto/build_flags_src.proto b/cmd/release_config/release_config_proto/build_flags_src.proto
index e42ac31..2cc1a84 100644
--- a/cmd/release_config/release_config_proto/build_flags_src.proto
+++ b/cmd/release_config/release_config_proto/build_flags_src.proto
@@ -138,6 +138,11 @@
 
   // The ReleaseConfigType of this release config.
   optional ReleaseConfigType release_config_type = 6;
+
+  // Whether to disallow this release config as TARGET_RELEASE.
+  // If true, this release config can only be inherited, it cannot be used
+  // directly in a build.
+  optional bool disallow_lunch_use = 7;
 }
 
 // Any aliases.  These are used for continuous integration builder config.
diff --git a/cmd/release_config/release_config_proto/release_configs_contributions.pb.go b/cmd/release_config/release_config_proto/release_configs_contributions.pb.go
index 54854f1..339e4ba 100644
--- a/cmd/release_config/release_config_proto/release_configs_contributions.pb.go
+++ b/cmd/release_config/release_config_proto/release_configs_contributions.pb.go
@@ -15,7 +15,7 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.30.0
 // 	protoc        v3.21.12
 // source: release_configs_contributions.proto
 
diff --git a/java/androidmk.go b/java/androidmk.go
index b6bab53..039e847 100644
--- a/java/androidmk.go
+++ b/java/androidmk.go
@@ -408,7 +408,7 @@
 		Include:    "$(BUILD_SYSTEM)/soong_app_prebuilt.mk",
 		ExtraEntries: []android.AndroidMkExtraEntriesFunc{
 			func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
-				entries.SetString("LOCAL_CERTIFICATE", "PRESIGNED") // The apk will be signed by soong
+				entries.SetString("LOCAL_CERTIFICATE", a.certificate.AndroidMkString())
 			},
 		},
 	}}
diff --git a/java/rro.go b/java/rro.go
index d277e4a..ab4fafa 100644
--- a/java/rro.go
+++ b/java/rro.go
@@ -290,7 +290,8 @@
 
 	properties AutogenRuntimeResourceOverlayProperties
 
-	outputFile android.Path
+	certificate Certificate
+	outputFile  android.Path
 }
 
 type AutogenRuntimeResourceOverlayProperties struct {
@@ -380,7 +381,8 @@
 		return
 	}
 	// Sign the built package
-	_, certificates := processMainCert(a.ModuleBase, "", nil, ctx)
+	var certificates []Certificate
+	a.certificate, certificates = processMainCert(a.ModuleBase, "", nil, ctx)
 	signed := android.PathForModuleOut(ctx, "signed", a.Name()+".apk")
 	SignAppPackage(ctx, signed, a.exportPackage, certificates, nil, nil, "")
 	a.outputFile = signed
diff --git a/root.bp b/root.bp
index ee208a0..7e0c1ed 100644
--- a/root.bp
+++ b/root.bp
@@ -2,12 +2,3 @@
 // subdirs= and optional_subdirs= are obsolete and this file no longer
 // needs a list of the top level directories that may contain Android.bp
 // files.
-
-// TODO(b/253827323) Remove this. A module in internal builds needs to disable a new check,
-// IdentifierName, when errorprone is updated. In order to avoid having the update errorprone
-// in internal first, and then aosp, create this variable that we can fill out in internal in the
-// same topic as the errorprone update, then move the flag out of the variable after the update,
-// then remove the variable.
-disable_identifiername_for_errorprone_update = [
-    "-Xep:IdentifierName:OFF",
-]