free for apple download NVDA 2023.3 Beta 2

Improved Dolby Vision dynamic range metadata pass through.Improved video conversion speed by removing unneeded frame copies for better memory efficiency.New SVT-AV1 assembly optimizations provide up to 4x increase in performance.

Latest FFmpeg provides faster HEVC decoding, 30% faster bwdif filter.

Improved performance on arm64 / aarch64 / Apple Silicon architectures.

Added support for preserving ambient viewing enviroment metadata.

Added support for SVT-AV1 multi-pass ABR mode.Please stop sending videos via email or use the new Social presets.Removed Email presets in favor of revised Social presets.Better suited for modern social sharing of short live action clips and screen/game captures.Target higher quality and frame rate over shorter durations, without interlacing detection and removal.Disabled interlacing detection and removal assume creators are working with progressive sources by default.Added Apple VideoToolbox hardware presets.Read carefully: you need the DESKTOP runtime. Windows users, please make sure to install Microsoft. Fixed subtitle language order not being honoured ( #5590).Fixed startup crash related to theme loading ( #5567).Fixed NVIDIA NVDEC option being ignored ( #5569).Added Automation Properties to some controls on the audio tab to assist screen readers.Added a workaround to prevent issues decoding H.264 video by disabling VideoToolbox hardware decoding for Level 6.1 and 6.2.

Added a workaround to prevent a system crash when using VideoToolbox encoders with macOS 14 Sonoma on Apple Silicon Ultra.Fixed some memory leaks in the graphical interface.Fixed last item in the queue sometimes having the wrong destination path.Fixed Flatpak file chooser opening home directory instead of the previously selected directory.Improved performance by removing duplicate graphic assets and reducing file size.Miscellaneous bug fixes and improvements.Fixed unintentional automatic pass through of closed caption side data when using NVIDIA NVENC encoder.Fixed an issue in AMD VCN, MPEG-2, MPEG-4, NVIDIA NVENC, and VP9 encoders that could cause the creation of an excessive number of keyframes ( #5530).Improved automatic selection of Dolby Vision Level.Before updating HandBrake, please make sure there are no pending encodes in the queue, and be sure to make a backup of any custom presets and app preferences you have, as they may not be compatible with newer versions.

Free for apple download NVDA 2023.3 Beta 2