Avid Editing Application
ReadMe for Media Composer® v2020.12.2

Revision History
DateDescription

June 24, 2021

Added Media Indexer requirement to fixed bug MCCET-4038.

May 21, 2021

Added Changed in Media Composer v2020.12.2.

Changed in Media Composer v2020.12.2
Media Composer v2020.12.2 does not support Media Composer | Distributed Processing.

Fixed in Media Composer v2020.12.2
The following have been fixed:➤Bug Number: MCCET-3996. You might have received an “Assertion failed” error when
performing a match frame with a sequence with group clips.

➤Bug Number: MCCET-4001. Sorting was inconsistent in bins when in Script View.

➤

Bug Number: MCCET-3999. Changing the “Start” Timecode of a sequence from within the bincolumn, unexpectedly caused the drop timecode (DF) to become a non-drop timecode (NDF).

➤

Bug Number: MCCET-3925. Clips with alpha may have had unexpected level changes whenrendered.

➤

Bug Number: MCCET-4060. Color adapter should not have been added to alpha channel when
doing a refresh sequence.

Fixed in Media Composer v2020.12.2➤

Bug Number: MCCET-3624. In some instances, QuickTime h.264 could not be linked orimported.

➤

Bug Number: MCCET-3824. FrameFlex quality was not good on render, mixdown, andpreview.

➤

Bug Number: MCCET-4022. You might have received an “Assertion failed
AMAFIExportUtils.cpp” error when exporting a progressive H264 .mov from an interlaced
project.

➤

Bug Number: MCCET-3895. You might have received an “Out of Memory” error whenexporting a 2 hour sequence to ProRes HQ 10bit.

➤Bug Number: MCCET-3957. In some instances, Titler+ text did not look correct in the Record
monitor. but did look correct in the Effect Editor.

➤

Bug Number: MCCET-4064. In some instances, when working with Media Composer | Cloud
Remote, you had to force quit the application after clicking the MultiRez button.

➤

Bug Number: MCCET-3941. Imported markers did not display accents correctly if the text wasfrom a 3rd party application.

➤

Bug Number: MCCET-3973. Media Composer crashed when loading Color Correction presets.

➤

Bug Number: MCCET-4072. Creating a new bin in the Project Window did not allow you toimmediately rename the bin.

➤

Bug Number: MCCET-4024. You might have received an “Unable to create SearchDatadirectory” error when mounting the project workspace to a different letter.

➤Bug Number: MCCET-4018. (Media Composer | Cloud Remote) Loading clips in the Source
monitor from the Production Management window was slow. And you might have seen a “NotResponding” message before the clip loaded.

➤

Bug Number: MCCET-3958. The user listed in the Interplay Transfer Status was the user
entered in Media Composer settings, instead of the user logged in to perform the transfer.

➤Bug Number: MCCET-4049. Importing a wave file with Dynamic Relink enabled resulted in
one audio track offline.

➤Bug Number: MCCET-4083. A SubCap caption file (.txt) did not import.

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Fixed in Media Composer v2020.12.2➤

Bug Number: MCCET-4082. Performing a video mixdown of a sequence named with a trailingspace produced mixdowns that resulted in issues such as Reveal File not working properly.

➤Bug Number: MCCET-4052. Some H265 (HEVC) files could not be linked or imported
successfully.

➤Bug Number: MCCET-4051. (Windows) Double clicking a bin file (.avb) did not open the bin.

➤

Bug Number: MCCET-4084. MOV and MP4 exports with H.264 and HEVC exported incorrect
audio if the output frame rate was different than the project frame rate.

➤

Bug Number: MCCET-4066. (Media Composer | Cloud Remote) You could not use thecomputer when downloading media.

➤

Bug Number: MCCET-4093. Turning on waveforms when using Media Composer | Cloud
Remote media, crashed the software. Waveforms have been disabled for Media Composer |Cloud Remote.

➤Bug Number: MCCET-4038. In some instances, glitches appeared in the video when XDCAM
media was consolidated. This fix requires Media Indexer v2020.4.3 or higher client and server.

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Legal Notices

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Avid Media Composer ReadMe • Created 6/24/21

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