HandBrake (32-bit)

What's new in this version:

General:
- Completely overhauled the official presets
- New general use presets for broad compatibility
- New device presets, now more up-to-date for common devices
- New web presets
- New Matroska (MKV) presets, including VP9 video with Opus audio
- Official presets from HandBrake 0.10.x are still available under Legacy
- New JSON-based preset system including command line support
- New JSON-based API for interacting with libhb
- Improvements to audio/video sync engine to better handle difficult sources
- Many miscellaneous bug fixes and improvements (over 1700 code commits!)

Video:
- VP9 video encoding via libvpx
- Intel QuickSync Video H.265/HEVC encoder: Requires Intel Skylake or newer CPU
- Ultra HD / 4K color pass through (support for BT.2020)
- Additional standard frame rate selections in the graphical interfaces
- New Auto anamorphic mode maximizes storage resolution, replaces Strict anamorphic mode
- New Pad filter (command line only for now)
- New Decomb/Deinterlace filter settings and improved defaults
- Rotate filter now available in all graphical interfaces
- New NLMeans filter tunes Tape and Sprite for analog tape recordings and vintage video games, respectively
- Assembly optimizations NLMeans filter improve performance up to 10%
- Assembly optimizations in x264 encoder improve performance for faster presets by 5-10%
- x265 encoder quality improvements, especially when using tune grain
- High bit depth encoding support via external shared libraries (video pipeline is still 8-bit 4:2:0) x264 10-bit, x265 10-bit and 12-bit

Audio:
- Opus audio encoding/decoding via libopus
- Passthru now supports E-AC-3, FLAC, and TrueHD audio formats

Subtitles:
- Improved subtitles rendering for some languages via HarfBuzz
- Miscellaneous subtitles improvements

Command line interface:
- Presets can now be imported and exported from the command line and are compatible with the graphical interfaces
- Queue exported from the graphical interfaces can now be imported by the command line interface (Linux and Windows only for now)

Build system:
- Add scripts to manually build and install Mac and MinGW-w64 (compile for Windows on Linux) toolchains
- Add support for multiple source URLs for third-party downloads
- Add SHA256 hash verification for third-party downloads
- Add configure parameter to disable or filter allowed third-party downloads (see configure --help)
- Use HTTPS everywhere; the few cases where a third-party does not provide packages over https, handbrake.fr does
- New targets on Mac to install and uninstall after building
- Add flatpak packaging support (experimental)

Updated libraries:
- FreeType 2.6.5 (subtitles)
- Fontconfig 2.12.1 (subtitles)
- FriBidi 0.19.7 (subtitles)
- Libav 12 (encoding/decoding/muxing)
- libass 0.13.2 (subtitles)
- libbluray 0.9.3 (Blu-ray decoding)
- libmfx v6.0.0 (Intel QuickSync Video encoding/decoding)
- libvpx 1.5.0 (VP8/VP9 video encoding)
- x264 148 r2708 (H.264/AVC video encoding)
- x265 2.1 (H.265/HEVC video encoding)

New libraries:
- HarfBuzz 1.3.0 (subtitles)
- libopus 1.1.3 (Opus audio encoding)

Windows:
- Graphical interface now uses libhb directly, instead of sending commands to the command line interface
- Encoding can now be paused and resumed
- Stopping encoding will finalize the partial file to be playable
- Reduced installer and install size
- The command line interface is no longer included in the graphical interface installer
- Update checker now verifies the signature of the update file for improved security
- Added support for quality-based audio encoding
- Added ability to import tab-separated (.tsv), XML (.xml), and plain text (.txt) chapter markers
- Improved the "configure default" options for audio and subtitles
- Default audio track behavior is now configurable
- Subtitles burn-in behavior is now configurable
- Removed DirectX Video Acceleration (DXVA) hardware-accelerated video decoding
- Was causing many issues without providing sufficient improvement to decoding efficiency
- May be added again at a later date if performance and stability improves
- Usability improvements
- Miscellaneous bug fixes