diff --git a/.gitignore b/.gitignore
index b248ef5..3592f3d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@ clog
 /mozc-2.26.4556.102.tar.bz2
 /mozc-2.26.4577.102.tar.bz2
 /mozc-2.28.4730.102.tar.bz2
+/mozc-2.28.4950.102.tar.bz2
diff --git a/mozc-use-system-abseil-cpp.patch b/mozc-use-system-abseil-cpp.patch
index 2744c7e..150654b 100644
--- a/mozc-use-system-abseil-cpp.patch
+++ b/mozc-use-system-abseil-cpp.patch
@@ -1,7 +1,7 @@
-diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gyp
---- mozc-2.28.4730.102.orig/base/absl.gyp	2022-05-12 15:09:52.000000000 +0900
-+++ mozc-2.28.4730.102/base/absl.gyp	2022-05-12 19:16:20.412275745 +0900
-@@ -28,247 +28,406 @@
+diff -pruN mozc-2.28.4950.102.orig/base/absl.gyp mozc-2.28.4950.102/base/absl.gyp
+--- mozc-2.28.4950.102.orig/base/absl.gyp	2022-12-02 22:06:47.000000000 +0900
++++ mozc-2.28.4950.102/base/absl.gyp	2023-01-05 18:25:45.442048185 +0900
+@@ -28,269 +28,429 @@
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  {
@@ -20,7 +20,7 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
    'targets': [
      {
        'target_name': 'absl_base',
-       'type': 'static_library',
+-      'type': 'static_library',
        'toolsets': ['host', 'target'],
 -      'sources': [
 -        '<(absl_srcdir)/base/internal/cycleclock.cc',
@@ -57,28 +57,17 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
 +        }, {
 +          'type': 'static_library',
 +          'sources': [
-+            # libabsl_base
 +            '<(absl_srcdir)/base/internal/cycleclock.cc',
-+            # libabsl_malloc_internal
 +            '<(absl_srcdir)/base/internal/low_level_alloc.cc',
-+            # libabsl_raw_logging_internal
 +            '<(absl_srcdir)/base/internal/raw_logging.cc',
-+            # libabsl_base
 +            '<(absl_srcdir)/base/internal/spinlock.cc',
-+            # libabsl_spinlock_wait
 +            '<(absl_srcdir)/base/internal/spinlock_wait.cc',
-+            # libabsl_strerror
 +            '<(absl_srcdir)/base/internal/strerror.cc',
-+            # libabsl_base
 +            '<(absl_srcdir)/base/internal/sysinfo.cc',
 +            '<(absl_srcdir)/base/internal/thread_identity.cc',
-+            # libabsl_throw_delegate
 +            '<(absl_srcdir)/base/internal/throw_delegate.cc',
-+            # libabsl_base
 +            '<(absl_srcdir)/base/internal/unscaledcycleclock.cc',
-+            # libabsl_log_severity
 +            '<(absl_srcdir)/base/log_severity.cc',
-+            # libabsl_exponential_biased
 +            '<(absl_srcdir)/profiling/internal/exponential_biased.cc',
 +          ],
 +          'dependencies': [
@@ -165,7 +154,7 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
 +          'all_dependent_settings': {
 +            'link_settings': {
 +              'libraries': [
-+                '-labsl_flags_commandlineflag -labsl_flags_usage -labsl_flags -labsl_flags_config -labsl_flags_marshalling -labsl_flags_parse -labsl_flags_internal -labsl_flags_reflection -labsl_hash -labsl_raw_hash_set -labsl_city',
++                '-labsl_flags_commandlineflag -labsl_flags_usage -labsl_flags -labsl_flags_config -labsl_flags_marshalling -labsl_flags_parse -labsl_flags_internal -labsl_flags_reflection -labsl_flags_usage -labsl_hash -labsl_raw_hash_set -labsl_city',
 +              ],
 +            },
 +          },
@@ -224,7 +213,7 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
 +          'all_dependent_settings': {
 +            'link_settings': {
 +              'libraries': [
-+                '-labsl_flags_commandlineflag_internal -labsl_flags_internal -labsl_flags_usage_internal',
++                '-labsl_flags_commandlineflag_internal -labsl_flags_internal -labsl_flags_private_handle_accessor -labsl_flags_program_name -labsl_flags_usage_internal',
 +              ],
 +            },
 +          },
@@ -266,7 +255,7 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
 +          'all_dependent_settings': {
 +            'link_settings': {
 +              'libraries': [
-+                '-labsl_raw_hash_set -labsl_city -labsl_hash',
++                '-labsl_raw_hash_set -labsl_city -labsl_hash -labsl_low_level_hash',
 +              ],
 +            },
 +          },
@@ -312,6 +301,58 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
        ],
      },
      {
+       'target_name': 'absl_random',
+-      'type': 'static_library',
+       'toolsets': ['host', 'target'],
+-      'sources': [
+-        '<(absl_srcdir)/random/discrete_distribution.cc',
+-        '<(absl_srcdir)/random/gaussian_distribution.cc',
+-        '<(absl_srcdir)/random/internal/chi_square.cc',
+-        '<(absl_srcdir)/random/internal/pool_urbg.cc',
+-        '<(absl_srcdir)/random/internal/randen.cc',
+-        '<(absl_srcdir)/random/internal/randen_detect.cc',
+-        '<(absl_srcdir)/random/internal/randen_hwaes.cc',
+-        '<(absl_srcdir)/random/internal/randen_round_keys.cc',
+-        '<(absl_srcdir)/random/internal/randen_slow.cc',
+-        '<(absl_srcdir)/random/internal/seed_material.cc',
+-        '<(absl_srcdir)/random/seed_gen_exception.cc',
+-        '<(absl_srcdir)/random/seed_sequences.cc',
+-      ],
+-      'dependencies': [
+-        'absl_base',
++      'conditions': [
++        ['use_system_abseil_cpp==1', {
++          'type': 'none',
++          'all_dependent_settings': {
++            'link_settings': {
++              'libraries': [
++                '-labsl_random_distributions -labsl_random_internal_distribution_test_util -labsl_random_internal_pool_urbg -labsl_random_internal_randen -labsl_random_internal_randen_hwaes -labsl_random_internal_randen_hwaes_impl -labsl_random_internal_randen_slow -labsl_random_internal_seed_material -labsl_random_seed_gen_exception -labsl_random_seed_sequences',
++              ],
++            },
++          },
++        }, {
++          'type': 'static_library',
++          'sources': [
++            '<(absl_srcdir)/random/discrete_distribution.cc',
++            '<(absl_srcdir)/random/gaussian_distribution.cc',
++            '<(absl_srcdir)/random/internal/chi_square.cc',
++            '<(absl_srcdir)/random/internal/pool_urbg.cc',
++            '<(absl_srcdir)/random/internal/randen.cc',
++            '<(absl_srcdir)/random/internal/randen_detect.cc',
++            '<(absl_srcdir)/random/internal/randen_hwaes.cc',
++            '<(absl_srcdir)/random/internal/randen_round_keys.cc',
++            '<(absl_srcdir)/random/internal/randen_slow.cc',
++            '<(absl_srcdir)/random/internal/seed_material.cc',
++            '<(absl_srcdir)/random/seed_gen_exception.cc',
++            '<(absl_srcdir)/random/seed_sequences.cc',
++          ],
++          'dependencies': [
++            'absl_base',
++          ],
++        }],
+       ],
+     },
+     {
        'target_name': 'absl_strings_internal',
 -      'type': 'static_library',
        'toolsets': ['host', 'target'],
@@ -594,28 +635,9 @@ diff -pruN mozc-2.28.4730.102.orig/base/absl.gyp mozc-2.28.4730.102/base/absl.gy
        ],
      },
    ],
-diff -pruN mozc-2.28.4730.102.orig/config/config_test.gyp mozc-2.28.4730.102/config/config_test.gyp
---- mozc-2.28.4730.102.orig/config/config_test.gyp	2021-11-15 16:08:54.000000000 +0900
-+++ mozc-2.28.4730.102/config/config_test.gyp	2022-05-12 19:16:20.412275745 +0900
-@@ -66,6 +66,7 @@
-         'stats_config_util_test.cc',
-       ],
-       'dependencies': [
-+        '../base/absl.gyp:absl_base',
-         '../testing/testing.gyp:gtest_main',
-         'config.gyp:stats_config_util',
-         'install_stats_config_util_test_data',
-@@ -81,6 +82,7 @@
-         'character_form_manager_test.cc',
-       ],
-       'dependencies': [
-+        '../base/absl.gyp:absl_base',
-         '../testing/testing.gyp:gtest_main',
-         'config.gyp:character_form_manager',
-       ],
-diff -pruN mozc-2.28.4730.102.orig/gyp/common.gypi mozc-2.28.4730.102/gyp/common.gypi
---- mozc-2.28.4730.102.orig/gyp/common.gypi	2022-05-12 19:16:02.803261304 +0900
-+++ mozc-2.28.4730.102/gyp/common.gypi	2022-05-12 19:16:20.413275746 +0900
+diff -pruN mozc-2.28.4950.102.orig/gyp/common.gypi mozc-2.28.4950.102/gyp/common.gypi
+--- mozc-2.28.4950.102.orig/gyp/common.gypi	2023-01-05 14:13:22.292599294 +0900
++++ mozc-2.28.4950.102/gyp/common.gypi	2023-01-05 17:56:52.095027386 +0900
 @@ -191,7 +191,13 @@
      'include_dirs': [
        '<(abs_depth)',
@@ -631,10 +653,10 @@ diff -pruN mozc-2.28.4730.102.orig/gyp/common.gypi mozc-2.28.4730.102/gyp/common
      ],
      'mac_framework_headers': [],
      'target_conditions': [
-diff -pruN mozc-2.28.4730.102.orig/gyp/common_win.gypi mozc-2.28.4730.102/gyp/common_win.gypi
---- mozc-2.28.4730.102.orig/gyp/common_win.gypi	2022-05-12 15:09:52.000000000 +0900
-+++ mozc-2.28.4730.102/gyp/common_win.gypi	2022-05-12 19:18:36.896387668 +0900
-@@ -314,10 +314,16 @@
+diff -pruN mozc-2.28.4950.102.orig/gyp/common_win.gypi mozc-2.28.4950.102/gyp/common_win.gypi
+--- mozc-2.28.4950.102.orig/gyp/common_win.gypi	2022-12-20 14:42:26.000000000 +0900
++++ mozc-2.28.4950.102/gyp/common_win.gypi	2023-01-05 17:57:52.290887360 +0900
+@@ -317,10 +317,16 @@
      'include_dirs': [
        '<(abs_depth)',
        '<(SHARED_INTERMEDIATE_DIR)',
@@ -652,9 +674,9 @@ diff -pruN mozc-2.28.4730.102.orig/gyp/common_win.gypi mozc-2.28.4730.102/gyp/co
      'msvs_configuration_attributes': {
        'CharacterSet': '<(win_char_set_unicode)',
      },
-diff -pruN mozc-2.28.4730.102.orig/gyp/defines.gypi mozc-2.28.4730.102/gyp/defines.gypi
---- mozc-2.28.4730.102.orig/gyp/defines.gypi	2021-10-06 14:11:23.000000000 +0900
-+++ mozc-2.28.4730.102/gyp/defines.gypi	2022-05-12 19:16:20.413275746 +0900
+diff -pruN mozc-2.28.4950.102.orig/gyp/defines.gypi mozc-2.28.4950.102/gyp/defines.gypi
+--- mozc-2.28.4950.102.orig/gyp/defines.gypi	2021-10-06 14:11:23.000000000 +0900
++++ mozc-2.28.4950.102/gyp/defines.gypi	2023-01-05 17:58:47.510676254 +0900
 @@ -68,6 +68,10 @@
      # use_libibus represents if ibus library is used or not.
      # This option is only for Linux.
@@ -666,9 +688,9 @@ diff -pruN mozc-2.28.4730.102.orig/gyp/defines.gypi mozc-2.28.4730.102/gyp/defin
    },
    'target_defaults': {
      'defines': [
-diff -pruN mozc-2.28.4730.102.orig/gyp/directories.gypi mozc-2.28.4730.102/gyp/directories.gypi
---- mozc-2.28.4730.102.orig/gyp/directories.gypi	2021-10-06 14:11:23.000000000 +0900
-+++ mozc-2.28.4730.102/gyp/directories.gypi	2022-05-12 19:16:20.414275747 +0900
+diff -pruN mozc-2.28.4950.102.orig/gyp/directories.gypi mozc-2.28.4950.102/gyp/directories.gypi
+--- mozc-2.28.4950.102.orig/gyp/directories.gypi	2021-10-06 14:11:23.000000000 +0900
++++ mozc-2.28.4950.102/gyp/directories.gypi	2023-01-05 18:01:37.980111655 +0900
 @@ -31,7 +31,12 @@
    'variables': {
      # Top directory of third party libraries.
@@ -683,25 +705,3 @@ diff -pruN mozc-2.28.4730.102.orig/gyp/directories.gypi mozc-2.28.4730.102/gyp/d
  
      # Top directory of additional third party libraries.
      'ext_third_party_dir%': '<(abs_depth)/third_party',
-diff -pruN mozc-2.28.4730.102.orig/session/session_test.gyp mozc-2.28.4730.102/session/session_test.gyp
---- mozc-2.28.4730.102.orig/session/session_test.gyp	2022-05-12 15:09:52.000000000 +0900
-+++ mozc-2.28.4730.102/session/session_test.gyp	2022-05-12 19:16:20.414275747 +0900
-@@ -222,6 +222,7 @@
-         'internal/key_event_transformer_test.cc',
-       ],
-       'dependencies': [
-+        '../base/absl.gyp:absl_base',
-         '../base/base.gyp:base',
-         '../converter/converter_base.gyp:converter_mock',
-         '../engine/engine.gyp:mock_converter_engine',
-diff -pruN mozc-2.28.4730.102.orig/storage/storage_test.gyp mozc-2.28.4730.102/storage/storage_test.gyp
---- mozc-2.28.4730.102.orig/storage/storage_test.gyp	2021-10-06 14:11:23.000000000 +0900
-+++ mozc-2.28.4730.102/storage/storage_test.gyp	2022-05-12 19:16:20.414275747 +0900
-@@ -42,6 +42,7 @@
-         'tiny_storage_test.cc',
-       ],
-       'dependencies': [
-+        '../base/absl.gyp:absl_base',
-         '../testing/testing.gyp:gtest_main',
-         'storage.gyp:storage',
-       ],
diff --git a/mozc.spec b/mozc.spec
index 22d254d..1307c10 100644
--- a/mozc.spec
+++ b/mozc.spec
@@ -5,8 +5,8 @@
 %bcond_without	qt
 
 Name:		mozc
-Version:	2.28.4730.102
-Release:	3%{?dist}
+Version:	2.28.4950.102
+Release:	1%{?dist}
 Summary:	A Japanese Input Method Editor (IME) designed for multi-platform
 
 License:	BSD and ASL 2.0 and UCD and Public Domain and mecab-ipadic
@@ -132,7 +132,7 @@ sed -ne "/'linux_cflags':/{p;n;p;:a;/[[:space:]]*\],/{\
 $opts
 p;b b};n;b a;};{p};:b" gyp/common.gypi > $t && mv $t gyp/common.gypi || exit 1
 GYP_DEFINES="use_libprotobuf=1 use_system_abseil_cpp=1 %{?with_zinnia:use_libzinnia=1 zinnia_model_file=/usr/share/zinnia/model/tomoe/handwriting-ja.model} %{!?with_zinnia:use_libzinnia=0} ibus_mozc_path=%{_libexecdir}/ibus-engine-mozc ibus_mozc_icon_path=%{_datadir}/ibus-mozc/product_icon.png" python build_mozc.py gyp --gypdir=%{_bindir} --server_dir=%{_libexecdir}/mozc --target_platform=Linux %{!?with_qt:--noqt}
-python build_mozc.py build -c Release unix/ibus/ibus.gyp:ibus_mozc unix/emacs/emacs.gyp:mozc_emacs_helper server/server.gyp:mozc_server gui/gui.gyp:mozc_tool renderer/renderer.gyp:mozc_renderer
+python build_mozc.py build --use_gyp_for_ibus_build -c Release unix/ibus/ibus.gyp:ibus_mozc unix/emacs/emacs.gyp:mozc_emacs_helper server/server.gyp:mozc_server gui/gui.gyp:mozc_tool renderer/renderer.gyp:mozc_renderer
 
 
 %install
@@ -249,6 +249,12 @@ appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/*.appdata.xml
 
 
 %changelog
+* Thu Jan  5 2023 Akira TAGOH <tagoh@redhat.com> - 2.28.4950.102-1
+- Update to 2.28.4950.102.
+- Update dictionaries.
+- Fix obsolete function warnings in mozc.el
+  Resolves: rhbz#2155094
+
 * Mon Aug 22 2022 Akira TAGOH <tagoh@redhat.com> - 2.28.4730.102-3
 - Rebuilt for abseil-cpp 20220623.0
 
diff --git a/sources b/sources
index 76d5d8a..12f74d3 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
-SHA512 (mozc-2.28.4730.102.tar.bz2) = dd0e55bc39cd9972f79a874f690da7deca553b276467df188e0b76edc000fbeeda563e9013595c4a0da255f7277cf36464ba60dfd29ae5b4ebcefe383799c4b4
-SHA512 (ken_all.zip) = 2e47b04bdedaa2f7caa513bb9a79aa440e006e6280c4d3f3873d5a01a300d1d912bc231592b6aeb6961890837b85c3d4f81a2167d997f7254543b9235d42e888
-SHA512 (jigyosyo.zip) = a1ad0d5423acec3a9f9e92c50cd08df49ab7f425bee0908932af29f74d34e8f02710f2c9c072339441f57ca4e86a723788525634217822857d0d07739f3131a4
+SHA512 (mozc-2.28.4950.102.tar.bz2) = de7d14e14c16c406f5bbc552090e62df12cd7202103f39de8193be33bb0fc18ae267f529eb4183e8b85027c8a6be9d50c11ccf3f553adca259bad278098c9026
+SHA512 (ken_all.zip) = fa9f23c0c99629d3d3ddfa32789e185f65c88b5f14888d8c57de11d5aa242b32b5a57b8ba51faaadaf6f6dc3962485d931f0c9e78a27c9987a7e625e129528cb
+SHA512 (jigyosyo.zip) = f0ec98316ff38c13e63e375e1b1fb08ef3570da3379630339e46d14de2aa10b080818523dcd1cfa6a27b1820dec922d246c86c95ad0f01a41a0f22e8cfb0c75b