| Version | Change log |
| Portable ccextractor 0.96.6 Feb 20, 2026 |
New: 32-bit (x86) Windows build and installer (#2116) New: Add optional machine-readable JSON output for -out=report via --report-format json New: Add Snap packaging support with Snapcraft configuration and GitHub Actions CI workflow New: Implement dictionary-based capitalization and censorship for transcripts Fix: Massive OCR memory leak — Tesseract instance was recreated and leaked every DVB subtitle frame, causing ~28 GB peak memory on a 2-hour film (#2114) Fix: SPUPNG subtitle offset calculation for EIA-608/teletext (#893) Fix: Empty WebVTT files now include required header for HLS compatibility (#1743) Fix: macOS hardsubx (burned-in subtitle extraction) on Apple Silicon Fix: Teletext decoder crash on malformed BCD data (#1990) Fix: Crash in report-only mode (-out=report) with AVC streams Fix: Incorrect strlen argument when writing end timestamps in MKV subtitle extraction (WebVTT, SRT, ASS/SSA) Fix: File descriptor leak and missing open() error check in MKV subtitle track saving Fix: DVB EIT start time BCD decoding in XMLTV output causing invalid timestamps (#1835) Fix: DVB subtitle duration capped to prevent 65-second page timeout display bug Fix: Clear status line output on Linux/WSL to prevent text artifacts (#2017) Fix: Prevent infinite loop on truncated MKV files Fix: Correct progress time display for multi-program Transport Streams Fix: Delete empty output files instead of leaving 0-byte files (#1282) Fix: --mkvlang now supports BCP 47 language tags (e.g., en-US, zh-Hans-CN) and multiple codes Fix: Segmentation fault when using --multiprogram Fix: Dangling pointers in decoder context copy causing potential crashes on cleanup Fix: 16 MB memory leak per file in Rust/C FFI demuxer layer Fix: Spurious numbers printed to console during processing Fix: Heap overflow in Transport Stream PAT/PMT parsing (security fix) Fix: Various memory safety and stability fixes in demuxers (MP4, PS, MKV, DVB) |
| Portable ccextractor 0.96.5 Jan 5, 2026 |
New: Add support for raw CDP (Caption Distribution Packet) files New: Add --scc-accurate-timing option for bandwidth-aware SCC output Fix: MXF files containing CEA-708 captions not being detected/extracted Docs: Add Windows WSL build instructions Fix: Security fixes (out-of-bounds read/write) in a few places in the legacy C code |
| Portable ccextractor 0.96.4 Jan 1, 2026 |
New Features: Persistent CEA-708 decoder context - maintains state across multiple calls for proper subtitle continuity OCR character blacklist options (--ocr-blacklist, --ocr-blacklist-file) for improved accuracy OCR line-split option (--ocr-splitontimechange) for better subtitle segmentation Bug Fixes: 32-bit build failures on i686 and armv7l architectures Legacy command-line argument compatibility (-1, -2, -12, --sc, --svc) Heap buffer overflow in Teletext processing (security fix) Lazy OCR initialization - only initialize when first DVB subtitle is encountered (performance improvement) Build Improvements: Optimized Windows CI workflow for faster builds GUI Update: Updated Flutter GUI to version 0.7.1 - attempts to fix a hang on start on some Windows systems |
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