MKVToolNix 6.9.1 (64-bit) 绿色便携版下载地址列表：

• ^_. 城通网盘: http://www.400gb.com/file/63115530
• ^_. 百度网盘: http://pan.baidu.com/s/1c0GLkQk
• ^_. 官方原版/安装包: https://www.fosshub.com/MKVToolNix.html

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MKVToolNix 6.9.1 (64-bit) 更新日志：

1. mkvmerge: bug fix: fixed huge memory usage when probing files (it was reading the whole file into memory for that).
2. mkvpropedit, mmg's header editor: bug fix: fixed a failed assertion in libEBML when writing the same changes twice to certain files.
3. mkvmerge: bug fix: reading fonts embedded in SSA/ASS files was sometimes truncating the attachments created from them.
4. mkvmerge: bug fix: fixed display of very large IDs during attachment extraction.
5. mkvmerge: enhancement: improved file type detection speed for text subtitle formats.
6. mkvextract: bug fix: during the extraction of chapters, tags or segment info XML files with the –redirect-output parameter the BOM (byte order mark) was written twice.
7. mkvmerge: bug fix: MPEG TS: timestamp outliers are ignored if they differ at least five minutes from the last valid timestamp.
8. mkvmerge: enhancements: trailing zero bytes will be removed from AVC/h.264 NALUs.
9. mkvmerge: bug fix: fixed timestamp assignment for AVC/h.264 videos in which recovery point SEIs occur in front of the second field of two interlaced fields.