- Update version in package.json, tauri.conf.json, Cargo.toml
- Update version badges and current version in README files
- Add v3.9.1 changelog entry with bug fixes and improvements
- Bump version from 3.9.0-3 to 3.9.0 across all config files
- Add comprehensive release notes in English, Chinese, and Japanese
- Update CHANGELOG with v3.9.0 stable and v3.9.0-2 entries
- Update README badges and release note links to v3.9.0
- Add RPM bundle to Linux build targets in CI workflow
- Add Flatpak manifest, desktop entry, and AppStream metainfo
- Update release workflow to build and publish .rpm and .flatpak artifacts
- Update README docs with new Linux package formats and installation instructions
- Add .gitignore rules for Flatpak build artifacts
- Make all sponsor logos clickable links in README files (EN/ZH/JA)
- Replace ShanDianShuo with DMXAPI sponsor
- Add DMXAPI logo images (dmx-en.jpg, dmx-zh.jpeg)
- Unify sponsor list across all language versions
- Update README_JA.md to reference Japanese screenshots
- Add Japanese screenshots (main-ja.png, add-ja.png)
- Update English and Chinese screenshots with latest UI
- Remove outdated README_i18n.md documentation
- Add CHANGELOG entry for v3.8.0
- Update README.md and README_ZH.md with v3.8.0 features
- Add Japanese README (README_JA.md)
- Add release notes in English, Chinese, and Japanese