diff --git a/tools/v8_gypfiles/features.gypi b/tools/v8_gypfiles/features.gypi
index ecfef26bb3ac9c..b2ff6d4e107a80 100644
--- a/tools/v8_gypfiles/features.gypi
+++ b/tools/v8_gypfiles/features.gypi
@@ -126,7 +126,7 @@
 
     # Enable pointer compression (sets -dV8_COMPRESS_POINTERS).
     'v8_enable_pointer_compression%': 0,
-    'v8_enable_31bit_smis_on_64bit_arch%': 1,
+    'v8_enable_31bit_smis_on_64bit_arch%': 0,
 
     # Sets -dOBJECT_PRINT.
     'v8_enable_object_print%': 0,
@@ -147,7 +147,7 @@
     'v8_enable_concurrent_marking%': 1,
 
     # Sets -dV8_ARRAY_BUFFER_EXTENSION
-    'v8_enable_array_buffer_extension%': 0,
+    'v8_enable_array_buffer_extension%': 1,
 
     # Enables various testing features.
     'v8_enable_test_features%': 0,
@@ -196,6 +196,13 @@
     # Use switch-based dispatch if this is false.
     'v8_enable_regexp_interpreter_threaded_dispatch%': 1,
 
+    # Disable all snapshot compression.
+    'v8_enable_snapshot_compression%': 1,
+
+    # Enable control-flow integrity features, such as pointer authentication
+    # for ARM64.
+    'v8_control_flow_integrity%': 0,
+
     # Variables from v8.gni
 
     # Enable ECMAScript Internationalization API. Enabling this feature will
@@ -325,6 +332,12 @@
       ['v8_enable_regexp_interpreter_threaded_dispatch==1', {
         'defines': ['V8_ENABLE_REGEXP_INTERPRETER_THREADED_DISPATCH',],
       }],
+      ['v8_enable_snapshot_compression==1', {
+        'defines': ['V8_SNAPSHOT_COMPRESSION',],
+      }],
+      ['v8_control_flow_integrity==1', {
+        'defines': ['V8_ENABLE_CONTROL_FLOW_INTEGRITY',],
+      }],
     ],  # conditions
     'defines': [
       'V8_EMBEDDED_BUILTINS',
diff --git a/tools/v8_gypfiles/inspector.gypi b/tools/v8_gypfiles/inspector.gypi
index 0ffc7cf8392249..27e2014132a671 100644
--- a/tools/v8_gypfiles/inspector.gypi
+++ b/tools/v8_gypfiles/inspector.gypi
@@ -8,16 +8,9 @@
     'inspector_protocol_files': [
       '<(inspector_protocol_path)/lib/base_string_adapter_cc.template',
       '<(inspector_protocol_path)/lib/base_string_adapter_h.template',
-      '<(inspector_protocol_path)/lib/DispatcherBase_cpp.template',
-      '<(inspector_protocol_path)/lib/DispatcherBase_h.template',
-      '<(inspector_protocol_path)/lib/ErrorSupport_cpp.template',
-      '<(inspector_protocol_path)/lib/ErrorSupport_h.template',
       '<(inspector_protocol_path)/lib/Forward_h.template',
-      '<(inspector_protocol_path)/lib/FrontendChannel_h.template',
       '<(inspector_protocol_path)/lib/Object_cpp.template',
       '<(inspector_protocol_path)/lib/Object_h.template',
-      '<(inspector_protocol_path)/lib/Parser_cpp.template',
-      '<(inspector_protocol_path)/lib/Parser_h.template',
       '<(inspector_protocol_path)/lib/Protocol_cpp.template',
       '<(inspector_protocol_path)/lib/ValueConversions_h.template',
       '<(inspector_protocol_path)/lib/Values_cpp.template',
@@ -111,7 +104,12 @@
       # Flat merge `third_party/inspector_protocol:crdtp`
       '<(inspector_protocol_path)/crdtp/cbor.cc',
       '<(inspector_protocol_path)/crdtp/cbor.h',
+      '<(inspector_protocol_path)/crdtp/dispatch.cc',
+      '<(inspector_protocol_path)/crdtp/dispatch.h',
+      '<(inspector_protocol_path)/crdtp/error_support.cc',
+      '<(inspector_protocol_path)/crdtp/error_support.h',
       '<(inspector_protocol_path)/crdtp/export.h',
+      '<(inspector_protocol_path)/crdtp/find_by_first.h',
       '<(inspector_protocol_path)/crdtp/glue.h',
       '<(inspector_protocol_path)/crdtp/json.cc',
       '<(inspector_protocol_path)/crdtp/json.h',
@@ -119,6 +117,7 @@
       '<(inspector_protocol_path)/crdtp/serializable.cc',
       '<(inspector_protocol_path)/crdtp/serializable.h',
       '<(inspector_protocol_path)/crdtp/serializer_traits.h',
+      '<(inspector_protocol_path)/crdtp/span.cc',
       '<(inspector_protocol_path)/crdtp/span.h',
       '<(inspector_protocol_path)/crdtp/status.cc',
       '<(inspector_protocol_path)/crdtp/status.h',
diff --git a/tools/v8_gypfiles/toolchain.gypi b/tools/v8_gypfiles/toolchain.gypi
index 10709fab1fbc0c..196196a4e2d65b 100644
--- a/tools/v8_gypfiles/toolchain.gypi
+++ b/tools/v8_gypfiles/toolchain.gypi
@@ -298,11 +298,17 @@
         'defines': [
           'V8_TARGET_ARCH_ARM64',
         ],
+        'conditions': [
+          ['v8_control_flow_integrity==1', {
+            'cflags': [ '-mbranch-protection=standard' ],
+          }],
+        ],
       }],
       ['v8_target_arch=="s390x"', {
         'defines': [
           'V8_TARGET_ARCH_S390',
         ],
+        'cflags': [ '-ffp-contract=off' ],
         'conditions': [
           ['v8_target_arch=="s390x"', {
             'defines': [
@@ -319,10 +325,12 @@
           ],
       }],  # s390x
       ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
-        'defines': [
-          'V8_TARGET_ARCH_PPC',
-        ],
         'conditions': [
+          ['v8_target_arch=="ppc"', {
+            'defines': [
+              'V8_TARGET_ARCH_PPC',
+            ],
+          }],
           ['v8_target_arch=="ppc64"', {
             'defines': [
               'V8_TARGET_ARCH_PPC64',
diff --git a/tools/v8_gypfiles/v8.gyp b/tools/v8_gypfiles/v8.gyp
index e8263663114c0d..87384d8233db75 100644
--- a/tools/v8_gypfiles/v8.gyp
+++ b/tools/v8_gypfiles/v8.gyp
@@ -221,11 +221,14 @@
             '<(torque_output_root)/torque-generated/bit-fields-tq.h',
             '<(torque_output_root)/torque-generated/builtin-definitions-tq.h',
             '<(torque_output_root)/torque-generated/interface-descriptors-tq.inc',
+            '<(torque_output_root)/torque-generated/factory-tq.cc',
+            '<(torque_output_root)/torque-generated/factory-tq.inc',
             '<(torque_output_root)/torque-generated/field-offsets-tq.h',
             '<(torque_output_root)/torque-generated/class-verifiers-tq.cc',
             '<(torque_output_root)/torque-generated/class-verifiers-tq.h',
             '<(torque_output_root)/torque-generated/enum-verifiers-tq.cc',
             '<(torque_output_root)/torque-generated/objects-printer-tq.cc',
+            '<(torque_output_root)/torque-generated/objects-body-descriptors-tq-inl.h',
             '<(torque_output_root)/torque-generated/class-definitions-tq.cc',
             '<(torque_output_root)/torque-generated/class-definitions-tq-inl.h',
             '<(torque_output_root)/torque-generated/class-definitions-tq.h',
@@ -309,6 +312,7 @@
           '<(torque_output_root)/torque-generated/class-definitions-tq.cc',
           '<(torque_output_root)/torque-generated/class-verifiers-tq.cc',
           '<(torque_output_root)/torque-generated/class-verifiers-tq.h',
+          '<(torque_output_root)/torque-generated/factory-tq.cc',
           '<(torque_output_root)/torque-generated/objects-printer-tq.cc',
         ],
         'include_dirs': [
@@ -425,7 +429,12 @@
             '<(V8_ROOT)/src/builtins/mips64/builtins-mips64.cc',
           ],
         }],
-        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
+        ['v8_target_arch=="ppc"', {
+          'sources': [
+            '<(V8_ROOT)/src/builtins/ppc/builtins-ppc.cc',
+          ],
+        }],
+        ['v8_target_arch=="ppc64"', {
           'sources': [
             '<(V8_ROOT)/src/builtins/ppc/builtins-ppc.cc',
           ],
@@ -595,6 +604,7 @@
       ],
       'direct_dependent_settings': {
         'sources': [
+          '<(V8_ROOT)/include/v8-fast-api-calls.h',
           '<(V8_ROOT)/include/v8-internal.h',
           '<(V8_ROOT)/include/v8.h',
           '<(V8_ROOT)/include/v8config.h',
@@ -738,6 +748,15 @@
         ['want_separate_host_toolset', {
           'toolsets': ['host', 'target'],
         }],
+        ['v8_control_flow_integrity==1', {
+          'sources': [
+            '<(V8_ROOT)/src/execution/arm64/pointer-authentication-arm64.h',
+          ],
+        }, {
+          'sources': [
+            '<(V8_ROOT)/src/execution/pointer-authentication-dummy.h',
+          ],
+        }],
         ['v8_target_arch=="ia32"', {
           'sources': [  ### gcmole(arch:ia32) ###
             '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"x86.*?sources \+= ")',
@@ -764,12 +783,12 @@
         }],
         ['v8_target_arch=="arm"', {
           'sources': [  ### gcmole(arch:arm) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"arm.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"arm\\".*?sources \+= ")',
           ],
         }],
         ['v8_target_arch=="arm64"', {
           'sources': [  ### gcmole(arch:arm64) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"arm64.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"arm64\\".*?sources \+= ")',
           ],
           'conditions': [
             ['OS=="win"', {
@@ -790,22 +809,27 @@
         }],
         ['v8_target_arch=="mips" or v8_target_arch=="mipsel"', {
           'sources': [  ### gcmole(arch:mipsel) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"mips.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"mips\\".*?sources \+= ")',
           ],
         }],
         ['v8_target_arch=="mips64" or v8_target_arch=="mips64el"', {
           'sources': [  ### gcmole(arch:mips64el) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"mips64.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"mips64\\".*?sources \+= ")',
           ],
         }],
-        ['v8_target_arch=="ppc" or v8_target_arch=="ppc64"', {
+        ['v8_target_arch=="ppc"', {
           'sources': [  ### gcmole(arch:ppc) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"ppc.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"ppc\\".*?sources \+= ")',
+          ],
+        }],
+        ['v8_target_arch=="ppc64"', {
+          'sources': [  ### gcmole(arch:ppc64) ###
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"ppc64\\".*?sources \+= ")',
           ],
         }],
         ['v8_target_arch=="s390x"', {
           'sources': [  ### gcmole(arch:s390) ###
-            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"s390.*?sources \+= ")',
+            '<!@pymod_do_main(GN-scraper "<(V8_ROOT)/BUILD.gn"  "\\"v8_base_without_compiler.*?v8_current_cpu == \\"s390\\".*?sources \+= ")',
           ],
         }],
         ['OS=="win"', {
@@ -1628,11 +1652,51 @@
         }],
       ],
       'direct_dependent_settings': {
-        'include_dirs': [ '<(V8_ROOT)/third_party/zlib' ],
+        'include_dirs': [
+          '<(V8_ROOT)/third_party/zlib',
+          '<(V8_ROOT)/third_party/zlib/google',
+        ],
       },
       'defines': [ 'ZLIB_IMPLEMENTATION' ],
-      'include_dirs': [ '<(V8_ROOT)/third_party/zlib' ],
-      'sources': [ '<(V8_ROOT)/third_party/zlib/adler32.c' ],
+      'include_dirs': [
+        '<(V8_ROOT)/third_party/zlib',
+        '<(V8_ROOT)/third_party/zlib/google',
+      ],
+      'sources': [
+        '<(V8_ROOT)/third_party/zlib/adler32.c',
+        '<(V8_ROOT)/third_party/zlib/chromeconf.h',
+        '<(V8_ROOT)/third_party/zlib/compress.c',
+        '<(V8_ROOT)/third_party/zlib/contrib/optimizations/insert_string.h',
+        '<(V8_ROOT)/third_party/zlib/contrib/optimizations/insert_string.h',
+        '<(V8_ROOT)/third_party/zlib/cpu_features.c',
+        '<(V8_ROOT)/third_party/zlib/cpu_features.h',
+        '<(V8_ROOT)/third_party/zlib/crc32.c',
+        '<(V8_ROOT)/third_party/zlib/crc32.h',
+        '<(V8_ROOT)/third_party/zlib/deflate.c',
+        '<(V8_ROOT)/third_party/zlib/deflate.h',
+        '<(V8_ROOT)/third_party/zlib/gzclose.c',
+        '<(V8_ROOT)/third_party/zlib/gzguts.h',
+        '<(V8_ROOT)/third_party/zlib/gzlib.c',
+        '<(V8_ROOT)/third_party/zlib/gzread.c',
+        '<(V8_ROOT)/third_party/zlib/gzwrite.c',
+        '<(V8_ROOT)/third_party/zlib/infback.c',
+        '<(V8_ROOT)/third_party/zlib/inffast.c',
+        '<(V8_ROOT)/third_party/zlib/inffast.h',
+        '<(V8_ROOT)/third_party/zlib/inffixed.h',
+        '<(V8_ROOT)/third_party/zlib/inflate.c',
+        '<(V8_ROOT)/third_party/zlib/inflate.h',
+        '<(V8_ROOT)/third_party/zlib/inftrees.c',
+        '<(V8_ROOT)/third_party/zlib/inftrees.h',
+        '<(V8_ROOT)/third_party/zlib/trees.c',
+        '<(V8_ROOT)/third_party/zlib/trees.h',
+        '<(V8_ROOT)/third_party/zlib/uncompr.c',
+        '<(V8_ROOT)/third_party/zlib/zconf.h',
+        '<(V8_ROOT)/third_party/zlib/zlib.h',
+        '<(V8_ROOT)/third_party/zlib/zutil.c',
+        '<(V8_ROOT)/third_party/zlib/zutil.h',
+        '<(V8_ROOT)/third_party/zlib/google/compression_utils_portable.cc',
+        '<(V8_ROOT)/third_party/zlib/google/compression_utils_portable.h',
+      ],
     },  # v8_zlib
   ],
 }