Mac OS X の QucikTime で再生できる動画フォーマットを増やす Perian Project の QuickTime component Perian が アップデートし、Perian 1.2.1 となりました。Indeo 5 のコーデックのデコードに対応する以外はバグなどの修正となっているようです。

Perian 1.2.1 Changes

– Added Indeo 5 decoding. [r1271]
Fixes:

– Fixed several bugs in Matroska support (1.2 regression) [r1240, r1243]
– Incomplete AVI files were not fully imported (1.2 regression) [r1242]
– Fixed subtitles crashing in 10.4 [r1240]
– Fixed a rare crash with .mp4 [r1265]
– No error was shown if the installer somehow failed [r1270]
Note that it does not try to correct errors, only report them.
– Fixed crash in SSA support [r1250]
– Fixed invisible subtitles sometimes appearing over the first frame [r1275]