VirtualDub2.1 change log

2.4.3.944 - 2025-10-14
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Fixed error text display in UTF-8, system ANSI, or mixed encoding (different encodings in different strings). This fixes the display of AviSynth+ errors.
Cosmetic changes.
Updated avlib-1.vdplugin to version 1.0.3.410.
    Fixed a temporary freeze in the file open window when selecting certain .avs files. AviSynth script files are now identified by extension.
    Fixed frame navigation for Avisynth script files.
    Added display of FFmpeg error text when attempting to open a file fails.
Updated scripted.vdplugin to version 0.3.1.123.
    Settings are now saved in HKEY_CURRENT_USER\SOFTWARE\VirtualDub2\Script Editor.
    Implemented the ability to save scripts opened in other programs with read access.
    Fixed the display of error text when opening an AviSynth script file fails.
    Changed the text highlighting styles for AviSynth and VapourSynth scripts.
    Cosmetic changes.


2.4.1.930 - 2025-10-02
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Settings are now stored in HKEY_CURRENT_USER\SOFTWARE\VirtualDub2\VirtualDub.
Saving of some settings has been reworked.
The "Display" settings panel has been redesigned.
Fixed crash of 64-bit version when using highpass, lowpass audio filters.
Code refactoring for modern compilers.
Cosmetic changes.

Updated avlib-1.vdplugin to version 1.0.1.393.
    The FFmpeg 8.0 x64 build from BtbN is used.
    The FFmpeg 8.0 win32 build from Defisym is used.
    Added saving and reading of encoder settings from the registry.
    Added hardware video encoders NVENC, QSV, AMF for H.264 and HEVC.
    Added hardware video encoders NVENC, AMF for AV1.
    FFV1 version 0 video encoding is no longer supported.
    Adjusted profile selection for ProRes encoder.
    Allowed opening AviSynth scripts.
    Cosmetic changes.


2.3.0.845 - 2025-04-16
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VirtualDub2 is now a Unicode application.
Improved support for file paths with Unicode characters.
Removed obsolete "Disk I/O write mode" setting.
The "/queryVersion" parameter has been deprecated.
Updated zlib 1.3.1.

Updated avlib-1.vdplugin to version 0.7.1.264.
    FFmpeg 7.1.1 is now supported.
    Fixed crash on problematic AAC audio.
    Fixed missing sound for some MP4 files with AAC audio.
    Fixed a crash when playing video files with changing video frame size.
    Ignore m3u playlist files.
    Fixed frame retrieval for some HEVC streams.
    Added video encoder SVT-AV1.
    Minor optimizations.

Updated scripted.vdplugin to version 0.2.2.100.
    Scintilla 5.5.6 updated.
    Lexilla 5.4.4 updated.


2.2.0.755 - 2025-02-03
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The auxsetup utility now has two versions: for win32 and x64.
Removed "64" prefixes for exe and dll files.
Improved HiDPI support.
Fixed output of system messages in vdub2.exe.
Code refactoring for modern compilers.

Updated avlib-1.vdplugin to version 0.7.1.220.
    Video files with incorrect (or unrecognized) frame rates are not supported. This fixes the plugin crash.
    Code refactoring for modern compilers.

Updated scripted.vdplugin to version 0.2.1.92.
    Fixed script saving.
    Now uses Avisynth+ header files. Minimum supported version of Avisynth is 2.6.
    Code refactoring for modern compilers.


2.1.3.667 - 2024-12-03
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Fixed recording of VirtualDub2 version into AVI files.

Updated avlib-1.vdplugin to version 0.7.1.200.
    Trying to get around incorrect keyframe seek for MP4 files.
    Fixed the operation of x264 and x265 encoders.
    Fixed the operation of Vorbis encoder.
    Cosmetic changes to codec dialogs.


2.1.2.663 - 2024-11-10
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Fixed "Internal DV decoder".
Fixed a crash when capturing video and saving to ProRes and other similar formats.

Updated avlib-1.vdplugin to version 0.7.1.170.
    FFmpeg 7.1 is now supported.
    Fixed freezing after early interruption of writing to a file when using some codecs.

Updated scripted.vdplugin to version 0.2.0.60.
    Fixed a crash when trying to save a read-only file.
    Implemented Unicode support. Now script files are read and saved in UTF-8 format.
    The list of keywords, internal functions and internal filters for AviSynth+ has been updated.


2.1.1.609 - 2024-08-30
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More careful ignoring of 64-bit "ffdshow Video Codec" (ff_vfw.dll) and "Logitech Video (I420)" (lvcod64.dll) to eliminate crash when opening AVI files.

Updated avlib-1.vdplugin to version 0.7.0.123.
    FFmpeg 7.0.2 is now supported.
    Added support for JPEG XL images.
    Added support for VVC videos.
    Improved navigation support for long FLVs and MKVs with audio.
    More default formats for the "FFMpeg : video" and "FFMpeg : images" groups.
    Changed the display of the "Metadata" field in "File Information".
    Fixed the use of audio encoders.
    Improved ignoring of AviSynth scripts to prevent VirtualDub 2 interface from freezing in some situations.


2.1.0.605 - 2024-04-21
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Windows XP is no longer supported.
Builds for x86 are no longer planned to be released.
Fixed crash when calling RunNullVideoPass().
64-bit "ffdshow Video Codec" (ff_vfw.dll) and "Logitech Video (I420)" (lvcod64.dll) are not supported because it crashes when opening the video compression selection window.

Updated avlib-1.vdplugin to version 0.6.1.70.
    FFmpeg 6.1.1 is now supported.
    Removed CineForm HD (native) codec.
    Removed manual lazy loading of DLL for FFmpeg DLLs.
    Removed support for systems older than Windows 7.
    The 32-bit plugin is not implemented because there is no official build of FFmpeg 6.1.1 for x86.
