upgpkg: 2.32.5981.102.g29e2b95-1 (majaor upgrade)

Update BUILD_OSS to 5981 and the version to 2.32. 2.31.5851 → 2.32.5981

Conversion

• Updated the language model (11a5dc3)
• Updated zip-code as of 2025-08-30 (53e6db7)
• Removed the 62-day storage limit for input history. Retain the history up to the data size limit. (12f6d98)
• Fix an overfiltering of candidates that have the same key and longer common prefix value. (1dfd91b)
  • e.g. 堺 (さかい) was overfilitered as 堺井(さかい) is also an candidate.
• Updated some data entries (google#1331, google#1351, google#1360, google#1374)
• Updated the candidate filtering rule (9d7332c)
• Updated the logic of word suggestion for multiple segments (aka inner boundary) (22adec5)

Bug fix

• Fix an issue that the top candidate with multiple segments may get broken. (f3437a0)
• Linux: Fix a crash issue on some Linux environment that does not support _SC_GETPW_R_SIZE_MAX (google#1318)
• macOS: Fix a crash issue of the installer on macOS 26 (Tahoe) (018d8d9)
• Windows: Fix a UI issue that mouse clicking on the candidate window did not work. (google#1372)
  • Regression on 2.31.5851

Packaging

• Support specifying the version number as a Bazel command line option (4f48688)
  • e.g. Bazel build package --action_env=MOZC_VERSION="2.31.5810.0"
• Android: made libmozc.so compatible with 16 KB page sizes (google#1364)
• macOS: supported .dmg file generation with codesign
• macOS: updated the required version from macOS11 to macOS12
• Windows: Supported ARM64 build (google#1130)
• Windows: Removed unused PDB (google#1261)

Build

• updated Bazel: 8.1.1 → 8.4.1
• updated Abseil: 20250127.1→ 20250814.0
• updated Protobuf: v29.3 → v32.0
• updated googletest: v1.15.2 → v1.17.0
• updated Qt: 6.8.0 → 6.9.1
• GitHub Actions: updated macOS environment 14 → 15
• GitHub Actions: updated Windows environment 2022 → 2025

Code

• Added lattice viewer (3c62c59)
• Updated the coding style (i.e. "string &s" → "string& s").
• Performed a number of refactoring.