docs: Add changelog entries for version 0.96.3

Document all changes since 0.96.2 including:
- VOBSUB subtitle extraction for MP4 and MKV files
- Native SCC input file support
- SCC output improvements (frame rate, styled PAC codes)
- Various bug fixes for timing, builds, and OCR

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: cfsmp3

docs/CHANGES.TXT

@@ -1,3 +1,19 @@
+0.96.3 (2025-12-29)
+-------------------
+- New: VOBSUB subtitle extraction with OCR support for MP4 files
+- New: VOBSUB subtitle extraction support for MKV/Matroska files
+- New: Native SCC (Scenarist Closed Caption) input file support - CCExtractor can now read SCC files
+- New: Configurable frame rate (--scc-framerate) and styled PAC codes for SCC output
+- Fix: Apply --delay option to DVB/bitmap subtitles (previously only worked with text-based subtitles)
+- Fix: 200ms timing offset in MOV/MP4 caption extraction
+- Fix: utf8proc include path for system library builds
+- Fix: Use fixed-width integer types in MP4 bswap functions for better portability
+- Fix: Guard ocr_text access with ENABLE_OCR preprocessor check
+- Fix: Preserve FFmpeg libs when building with -system-libs -hardsubx
+- Build: Add vobsub_decoder to Windows and autoconf build systems
+- Build: Add winget and Chocolatey packaging workflows for Windows distribution
+- Docs: Add VOBSUB extraction documentation and subtile-ocr Dockerfile
+
 0.96.2 (2025-12-26)
 -------------------
 - Fix: Resolve utf8proc header include path when building against system libraries on Linux.