Version 6.0.0

[cdgriffith]

• Adding Add PGS to SRT OCR subtitle extraction feature #709 PGS to SRT OCR subtitle extraction feature (thanks to mikeSGman)
• Adding Change Title when Transcode Audio tracks directory #712 audio profile title options: No Title, Generate Title, and Custom Title (thanks to gaalos)
• Adding gifski GIF encoder support with automatic PATH detection and manual path configuration
• Adding external subtitle file support - import .srt, .ass, .ssa, .vtt, and .sup files into the subtitle track list
• Adding AVC (x264) encoder options: AQ Mode, Psy-RD, Level, and custom x264 params
• Adding "Detected External Programs" section to Settings showing status of NVEncC, QSVEncC, VCEEncC, HDR10+ Parser, and PGS OCR tools
• Adding resizable columns to Concatenation Builder window with minimum widths based on header text
• Adding Keyframe checkbox to Settings menu as "Use keyframes for preview images" option (default enabled)
• Adding video info bar below file area showing bit depth, color space, chroma subsampling, HDR10, and HDR10+ at a glance
• Adding HDR10+ passthrough awareness for AOM AV1 encoder with FFmpeg 8.0+ version detection and UI indicators
• Adding HDR10+ tool auto-download on Windows startup and Help menu
• Adding AOM AV1 encoder options: Tune (psnr/ssim), Denoise, AQ Mode, allintra usage mode, and custom aom-params pass-through
• Adding rav1e encoder options: Tune (Psychovisual/Psnr), Photon Noise (film grain synthesis), Scene Detection toggle, HDR10 metadata passthrough, and custom rav1e-params pass-through
• Adding Dolby Vision copy support for NVEncC, QSVEncC, and VCEEncC HEVC/AV1 encoders
• Adding preview time slider to overlay at bottom of preview image
• Adding time display next to preview slider in H:MM:SS format
• Adding async queue saving to prevent GUI blocking during queue operations
• Adding atomic file writes for queue to prevent corruption from interrupted saves
• Adding file-based locking for queue operations to prevent race conditions between instances
• Adding graceful shutdown handling for worker process and background threads
• Adding Start/End Time tab to right-side options panel between Size and Crop tabs with compact 3-column layout
• Adding save dialog for subtitle extraction allowing users to choose output location, defaulting to the output directory
• Adding VVC encoder options: Perceptual QPA toggle, Intra Period, Threads, IFP (inter-frame parallelism), 8-bit pixel format support, and HDR10 metadata passthrough (mastering display, content light level, color signaling, chroma location)
• Adding VP9 encoder options: Auto Alt-Ref Frames, Lag in Frames, Tune Content, AQ Mode, and Sharpness
• Fixing Issues with using double quotes in titles, is it possible? #337 Queue Stops Processing Part-Way Through #700 Encode failing due to extra space in file path #597 refactoring all FFmpeg command building from string concatenation to List[str] to fix shlex.split() failures with quotes, special characters in titles, and Windows path handling issues (thanks to Xoanon88 and Buzz0016)
• Fixing copy mode broken in MP4 #481 MP4 subtitle copy mode using wrong codec - now uses mov_text instead of copy for MP4 containers (thanks to wmonte75)
• Fixing Dialogs always on top - Cannot minimize it #687 dialogs staying on top of all windows and unable to minimize by removing WindowStaysOnTopHint flag (thanks to Krawk)
• Fixing CHANGES: fix typo #688 typo in changelog (thanks to luzpaz)
• Fixing Qt6 wrongly enforcing locales #695 Qt6 decimal input fields enforcing locale-specific decimal separators (comma vs dot) by forcing C locale (thanks to isben)
• Fixing RAW Command displays improperly #696 RAW command display boxes too small on macOS by using actual document size for height calculation (thanks to isben)
• Fixing Add function to find Rigaya encoder binaries #707 Rigaya encoder binary detection with case-insensitive search (thanks to anne-o-pixel)
• Fixing Fix process priority #708 process priority niceness values inverted on Linux and removed Realtime option on non-Windows (thanks to JacobDev1)
• Fixing copy encoder failing when OpenCL is enabled by not adding hardware device flags when filters are disabled
• Fixing zscale "no path between colorspaces" error during HDR tonemapping by explicitly specifying input transfer characteristic
• Fixing thumbnail generation failing on non-full-range YUV sources (e.g. HDR AV1) with FFmpeg 8.0+ by adding -strict unofficial to mjpeg encoder
• Fixing FFmpeg download failing when destination directories (e.g. presets) already exist from a previous install
• Fixing HDR10+ detection to use ffprobe for non-HEVC codecs (AV1, VP9, etc.) and as fallback when hdr10plus_tool is unavailable
• Fixing Windows taskbar showing generic icon instead of FastFlix icon by setting AppUserModelID and deferring blocking version check until after event loop starts
• Fixing Settings browse buttons column being too wide by setting fixed width and column stretch
• Fixing PGS OCR requiring manual checkbox enable - now auto-detects availability from tesseract and pgsrip
• Fixing PGS OCR subtitle extraction using pgsrip.Sup to process already-extracted .sup file instead of re-extracting from MKV (fixes wrong file path and mkvextract failures)
• Fixing extract dropdown arrow being oversized by scaling the menu-indicator to match up/down button proportions
• Fixing QFont::setPointSize warnings in PyInstaller executables by using pt instead of px for stylesheet font sizes
• Fixing video track selector showing unnecessarily when source video has only one video track
• Fixing rav1e and AOM AV1 custom params list being corrupted to "[]" string on profile load/reload, breaking HDR10+ metadata passthrough
• Fixing visual border between filename area and video track selector
• Fixing test suite hanging due to missing QApplication in PySide6 widget tests
• Fixing window resizing beyond screen boundaries when switching profiles on macOS
• Fixing potential GUI freeze when log queue fills up during encoding
• Fixing file handle leaks in command runner when process startup fails
• Fixing crash when dragging non-video content over the main window
• Fixing rotation setting not being applied correctly when loading profiles
• Fixing flip settings not restoring correctly when returning video from queue
• Fixing GIF encoder not applying resolution scaling
• Fixing audio profile loading - validator returned wrong enum type (MatchType instead of MatchItem)
• Fixing "monoo" typo in downmix mapping that caused mono downmix to fail
• Fixing undefined variable crash when creating duplicate audio tracks via profile filters
• Fixing IndexError when applying profile audio filters to videos with non-sequential track indices
• Fixing TypeError crash with Rigaya encoders when audio quality not explicitly set
• Fixing AttributeError crash when audio track metadata is incomplete
• Fixing queue file generation mismatch errors due to redundant save calls on startup and when adding to queue