diff --git a/core/Makefile b/core/Makefile
index 9314b94..7db8811 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -6356,8 +6356,6 @@
 sdk_atree_files += $(atree_dir)/sdk.atree
 endif
 
-include $(BUILD_SYSTEM)/sdk_font.mk
-
 deps := \
 	$(target_notice_file_txt) \
 	$(tools_notice_file_txt) \
@@ -6378,8 +6376,7 @@
 	$(ATREE_FILES) \
 	$(sdk_atree_files) \
 	$(HOST_OUT_EXECUTABLES)/atree \
-	$(HOST_OUT_EXECUTABLES)/line_endings \
-	$(SDK_FONT_DEPS)
+	$(HOST_OUT_EXECUTABLES)/line_endings
 
 INTERNAL_SDK_TARGET := $(sdk_dir)/$(sdk_name).zip
 $(INTERNAL_SDK_TARGET): PRIVATE_NAME := $(sdk_name)
@@ -6402,7 +6399,6 @@
 	  fi; \
 	done; \
 	if [ $$FAIL ]; then exit 1; fi
-	$(hide) echo $(notdir $(SDK_FONT_DEPS)) | tr " " "\n"  > $(SDK_FONT_TEMP)/fontsInSdk.txt
 	$(hide) ( \
 	    ATREE_STRIP="$(HOST_STRIP) -x" \
 	    $(HOST_OUT_EXECUTABLES)/atree \
@@ -6418,7 +6414,6 @@
 	        -v "TARGET_ARCH=$(TARGET_ARCH)" \
 	        -v "TARGET_CPU_ABI=$(TARGET_CPU_ABI)" \
 	        -v "DLL_EXTENSION=$(HOST_SHLIB_SUFFIX)" \
-	        -v "FONT_OUT=$(SDK_FONT_TEMP)" \
 	        -o $(PRIVATE_DIR) && \
 	    cp -f $(target_notice_file_txt) \
 	            $(PRIVATE_DIR)/system-images/android-$(PLATFORM_VERSION)/$(TARGET_CPU_ABI)/NOTICE.txt && \
@@ -6508,3 +6503,7 @@
 .PHONY: haiku-rust
 haiku-rust: $(SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES) $(ALL_RUST_FUZZ_TARGETS)
 $(call dist-for-goals,haiku-rust,$(SOONG_RUST_FUZZ_PACKAGING_ARCH_MODULES))
+
+# -----------------------------------------------------------------
+# Extract platform fonts used in Layoutlib
+include $(BUILD_SYSTEM)/layoutlib_fonts.mk
diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 0befbfa..7776be5 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -110,3 +110,11 @@
 # TODO(b/196084106): Remove when Java optimizations enabled by default for
 # system packages.
 $(call add_soong_config_var,ANDROID,SYSTEM_OPTIMIZE_JAVA)
+
+# Check for SupplementalApi module.
+ifeq ($(wildcard packages/modules/SupplementalApi),)
+$(call add_soong_config_var_value,ANDROID,include_nonpublic_framework_api,false)
+else
+$(call add_soong_config_var_value,ANDROID,include_nonpublic_framework_api,true)
+endif
+
diff --git a/core/app_prebuilt_internal.mk b/core/app_prebuilt_internal.mk
index 79639a8..4586f35 100644
--- a/core/app_prebuilt_internal.mk
+++ b/core/app_prebuilt_internal.mk
@@ -128,6 +128,9 @@
     LOCAL_CERTIFICATE := $(dir $(DEFAULT_SYSTEM_DEV_CERTIFICATE))$(LOCAL_CERTIFICATE)
   endif
 
+  # NOTE(ruperts): Consider moving the logic below out of a conditional,
+  # to avoid the possibility of silently ignoring user settings.
+
   PACKAGES.$(LOCAL_MODULE).PRIVATE_KEY := $(LOCAL_CERTIFICATE).pk8
   PACKAGES.$(LOCAL_MODULE).CERTIFICATE := $(LOCAL_CERTIFICATE).x509.pem
   PACKAGES := $(PACKAGES) $(LOCAL_MODULE)
@@ -142,6 +145,8 @@
 
   $(built_module): $(LOCAL_CERTIFICATE_LINEAGE)
   $(built_module): PRIVATE_CERTIFICATE_LINEAGE := $(LOCAL_CERTIFICATE_LINEAGE)
+
+  $(built_module): PRIVATE_ROTATION_MIN_SDK_VERSION := $(LOCAL_ROTATION_MIN_SDK_VERSION)
 endif
 
 ifneq ($(LOCAL_MODULE_STEM),)
diff --git a/core/definitions.mk b/core/definitions.mk
index 94e03a2..ccc2794 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2611,6 +2611,7 @@
 $(hide) mv $(1) $(1).unsigned
 $(hide) $(JAVA) -Djava.library.path=$$(dirname $(SIGNAPK_JNI_LIBRARY_PATH)) -jar $(SIGNAPK_JAR) \
     $(if $(strip $(PRIVATE_CERTIFICATE_LINEAGE)), --lineage $(PRIVATE_CERTIFICATE_LINEAGE)) \
+    $(if $(strip $(PRIVATE_ROTATION_MIN_SDK_VERSION)), --rotation-min-sdk-version $(PRIVATE_ROTATION_MIN_SDK_VERSION)) \
     $(PRIVATE_CERTIFICATE) $(PRIVATE_PRIVATE_KEY) \
     $(PRIVATE_ADDITIONAL_CERTIFICATES) $(1).unsigned $(1).signed
 $(hide) mv $(1).signed $(1)
diff --git a/core/layoutlib_fonts.mk b/core/layoutlib_fonts.mk
new file mode 100644
index 0000000..d2a814f
--- /dev/null
+++ b/core/layoutlib_fonts.mk
@@ -0,0 +1,35 @@
+# Fonts for layoutlib
+
+FONT_TEMP := $(call intermediates-dir-for,PACKAGING,fonts,HOST,COMMON)
+
+# The font configuration files - system_fonts.xml, fallback_fonts.xml etc.
+font_config := $(sort $(wildcard frameworks/base/data/fonts/*.xml))
+font_config := $(addprefix $(FONT_TEMP)/, $(notdir $(font_config)))
+
+$(font_config): $(FONT_TEMP)/%.xml: \
+			frameworks/base/data/fonts/%.xml
+	$(hide) mkdir -p $(dir $@)
+	$(hide) cp -vf $< $@
+
+# List of fonts on the device that we want to ship. This is all .ttf, .ttc and .otf fonts.
+fonts_device := $(filter $(TARGET_OUT)/fonts/%.ttf $(TARGET_OUT)/fonts/%.ttc $(TARGET_OUT)/fonts/%.otf, $(INTERNAL_SYSTEMIMAGE_FILES))
+fonts_device := $(addprefix $(FONT_TEMP)/, $(notdir $(fonts_device)))
+
+# TODO: If the font file is a symlink, reuse the font renamed from the symlink
+# target.
+$(fonts_device): $(FONT_TEMP)/%: $(TARGET_OUT)/fonts/%
+	$(hide) mkdir -p $(dir $@)
+	$(hide) cp -vf $< $@
+
+# List of all dependencies - all fonts and configuration files.
+FONT_FILES := $(fonts_device) $(font_config)
+
+.PHONY: layoutlib layoutlib-tests
+layoutlib layoutlib-tests: $(FONT_FILES)
+
+$(call dist-for-goals, layoutlib, $(foreach m,$(FONT_FILES), $(m):layoutlib_native/fonts/$(notdir $(m))))
+
+FONT_TEMP :=
+font_config :=
+fonts_device :=
+FONT_FILES :=
diff --git a/core/package_internal.mk b/core/package_internal.mk
index 8199ad2..c7a173b 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -481,6 +481,8 @@
 $(LOCAL_BUILT_MODULE): $(LOCAL_CERTIFICATE_LINEAGE)
 $(LOCAL_BUILT_MODULE): PRIVATE_CERTIFICATE_LINEAGE := $(LOCAL_CERTIFICATE_LINEAGE)
 
+$(LOCAL_BUILT_MODULE): PRIVATE_ROTATION_MIN_SDK_VERSION := $(LOCAL_ROTATION_MIN_SDK_VERSION)
+
 # Set a actual_partition_tag (calculated in base_rules.mk) for the package.
 PACKAGES.$(LOCAL_PACKAGE_NAME).PARTITION := $(actual_partition_tag)
 
diff --git a/core/rbe.mk b/core/rbe.mk
index 370d4bd..fd3427a 100644
--- a/core/rbe.mk
+++ b/core/rbe.mk
@@ -46,12 +46,6 @@
     cxx_compare := false
   endif
 
-  ifdef RBE_CXX_COMPARE
-    cxx_compare := $(RBE_CXX_COMPARE)
-  else
-    cxx_compare := "false"
-  endif
-
   ifdef RBE_JAVAC_EXEC_STRATEGY
     javac_exec_strategy := $(RBE_JAVAC_EXEC_STRATEGY)
   else
diff --git a/core/sdk_font.mk b/core/sdk_font.mk
deleted file mode 100644
index 1742925..0000000
--- a/core/sdk_font.mk
+++ /dev/null
@@ -1,66 +0,0 @@
-###############################################################################
-# Fonts shipped with the SDK need to be renamed for Java to handle them
-# properly. Hence, a special script is used to rename the fonts. We bundle all
-# the fonts that are shipped on a newer non-space-constrained device. However,
-# OpenType fonts used on these devices are not supported by Java. Their
-# replacements are added separately.
-###############################################################################
-
-
-# The script that renames the font.
-sdk_font_rename_script := frameworks/layoutlib/rename_font/build_font_single.py
-
-# Location of the fonttools library that the above script depends on.
-fonttools_lib := external/fonttools/Lib
-
-# A temporary location to store the renamed fonts. atree picks all files in
-# this directory and bundles it with the SDK.
-SDK_FONT_TEMP := $(call intermediates-dir-for,PACKAGING,sdk-fonts,HOST,COMMON)
-
-# The font configuration files - system_fonts.xml, fallback_fonts.xml etc.
-sdk_font_config := $(sort $(wildcard frameworks/base/data/fonts/*.xml))
-sdk_font_config :=  $(addprefix $(SDK_FONT_TEMP)/standard/, $(notdir $(sdk_font_config)))
-
-$(sdk_font_config): $(SDK_FONT_TEMP)/standard/%.xml: \
-			frameworks/base/data/fonts/%.xml
-	$(hide) mkdir -p $(dir $@)
-	$(hide) cp -vf $< $@
-
-# List of fonts on the device that we want to ship. This is all .ttf fonts.
-sdk_fonts_device := $(filter $(TARGET_OUT)/fonts/%.ttf, $(INTERNAL_SYSTEMIMAGE_FILES))
-sdk_fonts_device := $(addprefix $(SDK_FONT_TEMP)/, $(notdir $(sdk_fonts_device)))
-
-# Macro to rename the font.
-sdk_rename_font = PYTHONPATH=$$PYTHONPATH:$(fonttools_lib) $(sdk_font_rename_script) \
-	    $1 $2
-
-# TODO: If the font file is a symlink, reuse the font renamed from the symlink
-# target.
-$(sdk_fonts_device): $(SDK_FONT_TEMP)/%.ttf: $(TARGET_OUT)/fonts/%.ttf \
-			$(sdk_font_rename_script)
-	$(hide) mkdir -p $(dir $@)
-	$(hide) $(call sdk_rename_font,$<,$@)
-
-# List of all dependencies - all fonts and configuration files.
-SDK_FONT_DEPS := $(sdk_fonts_device) $(sdk_font_config)
-
-# Define a macro to create rule for addititional fonts that we want to include
-# in the SDK.
-# $1 Output font name
-# $2 Source font path
-define sdk-extra-font-rule
-fontfullname := $$(SDK_FONT_TEMP)/$1
-ifeq ($$(filter $$(fontfullname),$$(sdk_fonts_device)),)
-SDK_FONT_DEPS += $$(fontfullname)
-$$(fontfullname): $2 $$(sdk_font_rename_script)
-	$$(hide) mkdir -p $$(dir $$@)
-	$$(hide) $$(call sdk_rename_font,$$<,$$@)
-endif
-fontfullname :=
-endef
-
-# These extra fonts are used as a replacement for OpenType fonts.
-$(eval $(call sdk-extra-font-rule,NanumGothic.ttf,external/naver-fonts/NanumGothic.ttf))
-$(eval $(call sdk-extra-font-rule,DroidSansFallback.ttf,frameworks/base/data/fonts/DroidSansFallbackFull.ttf))
-
-sdk-extra-font-rule :=
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index d3589d1..d5e4435 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -94,7 +94,5 @@
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
     PLATFORM_SECURITY_PATCH := 2022-04-05
 endif
-.KATI_READONLY := PLATFORM_SECURITY_PATCH
 
 include $(BUILD_SYSTEM)/version_util.mk
-
diff --git a/envsetup.sh b/envsetup.sh
index 34151df..4640ed9 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -731,6 +731,10 @@
     set_stuff_for_environment
     [[ -n "${ANDROID_QUIET_BUILD:-}" ]] || printconfig
     destroy_build_var_cache
+
+    if [[ -n "${CHECK_MU_CONFIG:-}" ]]; then
+      check_mu_config
+    fi
 }
 
 unset COMMON_LUNCH_CHOICES_CACHE
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 55047df..44f2191 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -51,6 +51,7 @@
     cmd \
     com.android.adbd \
     com.android.appsearch \
+    com.android.auxiliary \
     com.android.conscrypt \
     com.android.cronet \
     com.android.extservices \
@@ -67,8 +68,10 @@
     com.android.scheduling \
     com.android.sdkext \
     com.android.sepolicy \
+    com.android.supplementalprocess \
     com.android.tethering \
     com.android.tzdata \
+    com.android.uwb \
     com.android.wifi \
     ContactsProvider \
     content \
@@ -118,6 +121,7 @@
     init_system \
     input \
     installd \
+    IntentResolver \
     iorapd \
     ip \
     iptables \
diff --git a/target/product/default_art_config.mk b/target/product/default_art_config.mk
index 3223002..f49a537 100644
--- a/target/product/default_art_config.mk
+++ b/target/product/default_art_config.mk
@@ -52,6 +52,7 @@
 # Note: For modules available in Q, DO NOT add new entries here.
 PRODUCT_APEX_BOOT_JARS := \
     com.android.appsearch:framework-appsearch \
+    com.android.auxiliary:framework-auxiliary \
     com.android.conscrypt:conscrypt \
     com.android.i18n:core-icu4j \
     com.android.ipsec:android.net.ipsec.ike \
@@ -62,19 +63,29 @@
     com.android.permission:framework-permission-s \
     com.android.scheduling:framework-scheduling \
     com.android.sdkext:framework-sdkextensions \
+    com.android.supplementalprocess:framework-supplementalprocess \
     com.android.tethering:framework-connectivity \
     com.android.tethering:framework-connectivity-tiramisu \
     com.android.tethering:framework-tethering \
-    com.android.wifi:framework-wifi
+    com.android.uwb:framework-uwb \
+    com.android.wifi:framework-wifi \
+
+# TODO(b/210903289): Remove filters after merge.
+ifneq ($(wildcard packages/modules/SupplementalApi),)
+PRODUCT_APEX_BOOT_JARS += \
+    com.android.supplementalprocess:framework-supplementalapi
+endif
 
 # List of system_server classpath jars delivered via apex.
 # Keep the list sorted by module names and then library names.
 # Note: For modules available in Q, DO NOT add new entries here.
+# TODO(b/218568223): Add supplementalapi to system server jars.
 PRODUCT_APEX_SYSTEM_SERVER_JARS := \
     com.android.appsearch:service-appsearch \
     com.android.art:service-art \
     com.android.media:service-media-s \
     com.android.permission:service-permission \
+    com.android.supplementalprocess:service-supplementalprocess \
 
 PRODUCT_DEX_PREOPT_BOOT_IMAGE_PROFILE_LOCATION += art/build/boot/boot-image-profile.txt
 
@@ -89,6 +100,7 @@
     com.android.os.statsd:service-statsd \
     com.android.scheduling:service-scheduling \
     com.android.tethering:service-connectivity \
+    com.android.uwb:service-uwb \
     com.android.wifi:service-wifi \
 
 # Minimal configuration for running dex2oat (default argument values).
diff --git a/target/product/gsi/current.txt b/target/product/gsi/current.txt
index f9c1f3d..599d8f9 100644
--- a/target/product/gsi/current.txt
+++ b/target/product/gsi/current.txt
@@ -20,10 +20,12 @@
 LLNDK: libvulkan.so
 VNDK-SP: android.hardware.common-V2-ndk.so
 VNDK-SP: android.hardware.common.fmq-V1-ndk.so
-VNDK-SP: android.hardware.graphics.common-V2-ndk.so
+VNDK-SP: android.hardware.graphics.allocator-V1-ndk.so
+VNDK-SP: android.hardware.graphics.common-V3-ndk.so
 VNDK-SP: android.hardware.graphics.common@1.0.so
 VNDK-SP: android.hardware.graphics.common@1.1.so
 VNDK-SP: android.hardware.graphics.common@1.2.so
+VNDK-SP: android.hardware.graphics.composer3-V1-ndk.so
 VNDK-SP: android.hardware.graphics.mapper@2.0.so
 VNDK-SP: android.hardware.graphics.mapper@2.1.so
 VNDK-SP: android.hardware.graphics.mapper@3.0.so
@@ -61,10 +63,15 @@
 VNDK-core: android.hardware.authsecret-V1-ndk.so
 VNDK-core: android.hardware.automotive.occupant_awareness-V1-ndk.so
 VNDK-core: android.hardware.bluetooth.audio-V1-ndk.so
+VNDK-core: android.hardware.camera.common-V1-ndk.so
+VNDK-core: android.hardware.camera.device-V1-ndk.so
+VNDK-core: android.hardware.camera.metadata-V1-ndk.so
+VNDK-core: android.hardware.camera.provider-V1-ndk.so
 VNDK-core: android.hardware.configstore-utils.so
 VNDK-core: android.hardware.configstore@1.0.so
 VNDK-core: android.hardware.configstore@1.1.so
 VNDK-core: android.hardware.confirmationui-support-lib.so
+VNDK-core: android.hardware.drm-V1-ndk.so
 VNDK-core: android.hardware.dumpstate-V1-ndk.so
 VNDK-core: android.hardware.gnss-V1-ndk.so
 VNDK-core: android.hardware.graphics.allocator@2.0.so
@@ -75,6 +82,7 @@
 VNDK-core: android.hardware.health-V1-ndk.so
 VNDK-core: android.hardware.health.storage-V1-ndk.so
 VNDK-core: android.hardware.identity-V3-ndk.so
+VNDK-core: android.hardware.ir-V1-ndk.so
 VNDK-core: android.hardware.keymaster-V3-ndk.so
 VNDK-core: android.hardware.light-V1-ndk.so
 VNDK-core: android.hardware.media.bufferpool@2.0.so
@@ -99,8 +107,12 @@
 VNDK-core: android.hardware.security.keymint-V1-ndk.so
 VNDK-core: android.hardware.security.secureclock-V1-ndk.so
 VNDK-core: android.hardware.security.sharedsecret-V1-ndk.so
+VNDK-core: android.hardware.sensors-V1-ndk.so
+VNDK-core: android.hardware.soundtrigger3-V1-ndk.so
 VNDK-core: android.hardware.soundtrigger@2.0-core.so
 VNDK-core: android.hardware.soundtrigger@2.0.so
+VNDK-core: android.hardware.usb-V1-ndk.so
+VNDK-core: android.hardware.uwb-V1-ndk.so
 VNDK-core: android.hardware.vibrator-V2-ndk.so
 VNDK-core: android.hardware.weaver-V1-ndk.so
 VNDK-core: android.hardware.wifi.hostapd-V1-ndk.so
@@ -108,6 +120,7 @@
 VNDK-core: android.hidl.token@1.0-utils.so
 VNDK-core: android.hidl.token@1.0.so
 VNDK-core: android.media.audio.common.types-V1-ndk.so
+VNDK-core: android.media.soundtrigger.types-V1-ndk.so
 VNDK-core: android.system.keystore2-V1-ndk.so
 VNDK-core: android.system.suspend-V1-ndk.so
 VNDK-core: android.system.suspend@1.0.so
diff --git a/target/product/iorap_large_memory_config.mk b/target/product/iorap_large_memory_config.mk
deleted file mode 100644
index 0c6c89a..0000000
--- a/target/product/iorap_large_memory_config.mk
+++ /dev/null
@@ -1,14 +0,0 @@
-# Copyright (C) 2020 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
diff --git a/target/product/security/supplemental_process.pk8 b/target/product/security/supplemental_process.pk8
new file mode 100644
index 0000000..23b880b
--- /dev/null
+++ b/target/product/security/supplemental_process.pk8
Binary files differ
diff --git a/target/product/security/supplemental_process.x509.pem b/target/product/security/supplemental_process.x509.pem
new file mode 100644
index 0000000..0bd20f3
--- /dev/null
+++ b/target/product/security/supplemental_process.x509.pem
@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/tools/releasetools/sign_target_files_apks.py b/tools/releasetools/sign_target_files_apks.py
index adba866..0411c61 100755
--- a/tools/releasetools/sign_target_files_apks.py
+++ b/tools/releasetools/sign_target_files_apks.py
@@ -99,15 +99,15 @@
       The second dir will be used for lookup if BOARD_USES_RECOVERY_AS_BOOT is
       set to true.
 
-  --avb_{boot,system,system_other,vendor,dtbo,vbmeta,vbmeta_system,
+  --avb_{boot,recovery,system,system_other,vendor,dtbo,vbmeta,vbmeta_system,
          vbmeta_vendor}_algorithm <algorithm>
-  --avb_{boot,system,system_other,vendor,dtbo,vbmeta,vbmeta_system,
+  --avb_{boot,recovery,system,system_other,vendor,dtbo,vbmeta,vbmeta_system,
          vbmeta_vendor}_key <key>
       Use the specified algorithm (e.g. SHA256_RSA4096) and the key to AVB-sign
       the specified image. Otherwise it uses the existing values in info dict.
 
-  --avb_{apex,boot,system,system_other,vendor,dtbo,vbmeta,vbmeta_system,
-         vbmeta_vendor}_extra_args <args>
+  --avb_{apex,boot,recovery,system,system_other,vendor,dtbo,vbmeta,
+         vbmeta_system,vbmeta_vendor}_extra_args <args>
       Specify any additional args that are needed to AVB-sign the image
       (e.g. "--signing_helper /path/to/helper"). The args will be appended to
       the existing ones in info dict.
@@ -1349,6 +1349,12 @@
       OPTIONS.avb_algorithms['dtbo'] = a
     elif o == "--avb_dtbo_extra_args":
       OPTIONS.avb_extra_args['dtbo'] = a
+    elif o == "--avb_recovery_key":
+      OPTIONS.avb_keys['recovery'] = a
+    elif o == "--avb_recovery_algorithm":
+      OPTIONS.avb_algorithms['recovery'] = a
+    elif o == "--avb_recovery_extra_args":
+      OPTIONS.avb_extra_args['recovery'] = a
     elif o == "--avb_system_key":
       OPTIONS.avb_keys['system'] = a
     elif o == "--avb_system_algorithm":
@@ -1434,6 +1440,9 @@
           "avb_dtbo_algorithm=",
           "avb_dtbo_key=",
           "avb_dtbo_extra_args=",
+          "avb_recovery_algorithm=",
+          "avb_recovery_key=",
+          "avb_recovery_extra_args=",
           "avb_system_algorithm=",
           "avb_system_key=",
           "avb_system_extra_args=",
diff --git a/tools/signapk/src/com/android/signapk/SignApk.java b/tools/signapk/src/com/android/signapk/SignApk.java
index c127dbe..b0c792c 100644
--- a/tools/signapk/src/com/android/signapk/SignApk.java
+++ b/tools/signapk/src/com/android/signapk/SignApk.java
@@ -1081,6 +1081,7 @@
         boolean signUsingApkSignatureSchemeV2 = true;
         boolean signUsingApkSignatureSchemeV4 = false;
         SigningCertificateLineage certLineage = null;
+        Integer rotationMinSdkVersion = null;
 
         int argstart = 0;
         while (argstart < args.length && args[argstart].startsWith("-")) {
@@ -1135,6 +1136,15 @@
                             "Error reading lineage file: " + e.getMessage());
                 }
                 ++argstart;
+            } else if ("--rotation-min-sdk-version".equals(args[argstart])) {
+                String rotationMinSdkVersionString = args[++argstart];
+                try {
+                    rotationMinSdkVersion = Integer.parseInt(rotationMinSdkVersionString);
+                } catch (NumberFormatException e) {
+                    throw new IllegalArgumentException(
+                            "--rotation-min-sdk-version must be a decimal number: " + rotationMinSdkVersionString);
+                }
+                ++argstart;
             } else {
                 usage();
             }
@@ -1226,15 +1236,22 @@
                     }
                 }
 
-                try (ApkSignerEngine apkSigner =
-                        new DefaultApkSignerEngine.Builder(
-                                createSignerConfigs(privateKey, publicKey), minSdkVersion)
-                                .setV1SigningEnabled(true)
-                                .setV2SigningEnabled(signUsingApkSignatureSchemeV2)
-                                .setOtherSignersSignaturesPreserved(false)
-                                .setCreatedBy("1.0 (Android SignApk)")
-                                .setSigningCertificateLineage(certLineage)
-                                .build()) {
+                DefaultApkSignerEngine.Builder builder = new DefaultApkSignerEngine.Builder(
+                    createSignerConfigs(privateKey, publicKey), minSdkVersion)
+                    .setV1SigningEnabled(true)
+                    .setV2SigningEnabled(signUsingApkSignatureSchemeV2)
+                    .setOtherSignersSignaturesPreserved(false)
+                    .setCreatedBy("1.0 (Android SignApk)");
+
+                if (certLineage != null) {
+                   builder = builder.setSigningCertificateLineage(certLineage);
+                }
+
+                if (rotationMinSdkVersion != null) {
+                   builder = builder.setMinSdkVersionForRotation(rotationMinSdkVersion);
+                }
+
+                try (ApkSignerEngine apkSigner = builder.build()) {
                     // We don't preserve the input APK's APK Signing Block (which contains v2
                     // signatures)
                     apkSigner.inputApkSigningBlock(null);