Avid Editing Application
ReadMe for Media Composer® v2020.12.1

Fixed in Media Composer v2020.12.1
The following have been fixed:➤Bug Number: MCCET-3563. With Dynamic Relink enabled, media appeared offline after batch
re-importing (PNG/TIFF) and AAF from Prunus files.

➤Bug Number: MCCET-3587. You might not have been able to open a sequence or you might
have received “Crumb Exists” errors when opening a sequence containing markers on TC1.

➤Bug Number: MCCET-3350. When sending a sequence with mixed formats in it withTranscode on Send to playback enabled, you might have received a “Can't send to playback:Project format is different than target resolution format” error.

➤

Bug Number: MCCET-3978. Ctrl+W did not save and close a bin if one or more clips wasselected.

➤

Bug Number: MCCET-3921. The text in the NRCS tool was almost unreadable in dark mode.

➤

Bug Number: MCCET-3423. (Interplay environment) Media Composer launched slowly ifthere were many MXF media folders in the workspace.

➤

Bug Number: MCCET-3877. You could not save a workspace if Source/Record monitors wereminimized.

➤Bug Number: MCCET-3928. When in Text View mode, using up and down arrow keys in a bin
did not auto scroll.

➤

Bug Number: MCCET-3946. You could not type comments without clicking and you could not
use the enter key to close when adding or editing markers.

Fixed in Media Composer v2020.12.1➤

Bug Number: MCCET-3947. Pressing the Tab key in a bin to rename a clip did not work
properly.

➤

Bug Number: MCCET-3908. (Media Composer | Cloud Remote). The Download/Upload
queue did not display progress properly.

➤

Bug Number: MCCET-3956. The Bin window sometimes went behind other bins when you
imported using drag & drop.

➤

Bug Number: MCCET-3884. In some instances performing a UME MOV h.264 export might
have resulted in an “AAMPIAudioProc::CycleBuffersThroughAMPI: destination FIFO overrun”
error.

➤

Bug Number: MCCET-3777. You might have experienced audio sync shift on local audio
playback as soon as NDI was enabled.

➤

Bug Number: MCCET-3962. The Media Central | Cloud UX panel and Production
Management window could not be tabbed or docked with other tools.

➤

Bug Number: MCCET-3820. Loading or importing a file into a Pan&Zoom effect might havecaused Media Composer to crash.

➤

Bug Number: MCCET-3922. In some instances, when trimming a sequence, the wrong clip wasshown in the Source Monitor.

➤

Bug Number: MCCET-3970. Audio Mixer Ganging did not display correctly after switchingfrom Record to Source and back.

➤

Bug Number: MCCET-3967. Media Composer might have been improperly importing audio
track metadata.

➤

Bug Number: MCCET-3042. (macOS) The Creation Date in the Find tool was offset by 100years, for example 2019 appeared as 1919.

➤Bug Number: MCCET-3729. You could not fast import if “Use the current import resolution”
was selected in the Import Settings OMF/AAF dialog.

➤Bug Number: MCCET-3933. In some instances, the number of viewable workspaces waslimited in a Media Composer | Cloud Remote environment.

➤

Bug Number: MCCET-3954. You might have received a “PMM mismatch error” when
performing an Add and Render of a dissolve effect with AVC Long GOP linked with the UMEplug-in.
2Fixed in Media Composer v2020.12.1➤

Bug Number: MCCET-3904. Selecting and playing all Script marks near the end of a take only
played one clip.

➤

Bug Number: MCCET-3975. If the Regional Decimal symbol (Windows) or Language
Decimal (macOS) was set to comma rather than period, you could not adjust the clip pan/volwith mark in/out in the Audio Mixer.

➤

Bug Number: MCCET-3936. Playback was delayed after switching between Color and Edit
workspaces.

➤

Bug Number: MCCET-3949. In the Audio Mixer, you could not enter a value in the volumelevel field at the bottom of the slider.

➤

Bug Number: MCCET-3907. In some instances, the wrong image was displayed whenmodifying an object in the Effect Editor where there was an In and Out point.

➤

Bug Number: MCCET-3735. In some instances, you could not successfully relink between
Interplay transcoded XDCAM50 and MPEG50.

➤

Bug Number: MCDEV-14070. (macOS) You might have received an “EXC_Bad_Access”
error after performing a after drag and drop with matte key and then clicking in the Effect Palettetabs.

➤Bug Number: MCDEV-14087. You might have seen garbled marker text when re-editing in theEdit Marker dialog (Russian Locale and Hebrew text).

➤

Bug Number: MCDEV-14075. If you have “Sync Rollers at Position in Filler” enabled in theTrim settings, you might have received an “PMM_INSUFFICIENT_MEDIA” error when
performing asymmetric trimming.

➤

Bug Number: MCDEV-14250. In some instances, you could not adjust gain to audio clips thatwere being sample rate converted in real time.

➤Bug Number: MCDEV-14114. The SearchData Directory might have been incorrect for sharedprojects that were moved between macOS and Windows platforms.

➤

Bug Number: MCDEV-14119. Numbers were not displayed in the fader and pan numericalentry fields when typing in values in the Audio Mixer.

➤

Bug Number: MCDEV-14060. Audio Mixer Fast Menu functions and Mix Mode selection
options were not available as mappable EuControl Softkeys.

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Fixed in Media Composer v2020.12.1➤

Bug Number: MCDEV-13871. Mapped Audio mixer Fast menu items caused a system beep
when mapped to fn keys on the keyboard.

➤Bug Number: MCDEV-13378. You could lose focus of the main Media Composer windowafter editing in a restored minimized floating window.

➤Bug Number: MCDEV-14021. In some instances, you may have experienced drag&drop issues
after dragging media files from the Finder to a Bin window.

➤Bug Number: MCDEV-14056. Hovering over pulldown menus or combo boxes with mouse
scroll wheel unexpectedly adjusted values.

➤Bug Number: MCCET-3576. A gray border may have appeared when resizing matte keys.

➤

Bug Number: MCCET-3843. When working with Titler+, some Arabic text did not display
properly.

➤Bug Number: MCCET-2929. You might have received an “Exception” error when performing aDigital Cut immediately after capturing to tape.

➤Bug Number: MCCET-3945. Setting information in the bin column might have resulted infreeze (macOS) or Breakpad window (Windows).

➤

Bug Number: MCCET-3378. Frames may have shifted after promoting a mixed frame rate
sequence and modifying the speed in Motion Effect Editor.

➤Bug Number: MCCET-3578. In some instances, adding or removing a Timewarp effect with
“Adaptive Deinterlace Source” enabled, moved the image one frame and broke sync between
video track and audio tracks.

➤

Bug Number: MCDEV-14258. (macOS) On multiple monitor systems, floating windows
placed on the display to the left or above the main display.might not have reopened in the correct
position.

➤

Bug Number: MCCET-3986. A sifted bin did not show the correct assets after switching from
Text View to Frame View.

➤

Bug Number: MCCET-3987. You might have seen a “Loading media file information”
message, a Rescan message, a Relink dialog or in some instances a crash when performing an
insert or overwrite to the Timeline.

➤

Bug Number: MCCET-4003. In some instances, Shared bins did not open if a bin color
background was applied in the bin.
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Fixed in Media Composer v2020.12.1➤

Bug Number: MCCET-3977. In some instances, the User Settings pane appeared blank after
creating a new Timeline profile.

➤

Bug Number: MCCET-3976. The NRCS Tool did not always close properly.

➤Bug Number: MCCET-3853. In some instances, when inserted into a sequence, Apple ProRes
422 clips were duplicated in the active bin.

➤Bug Number: MCCET-3882. Marquee titles disappeared after being promoted to Avid Titler+.

➤Bug Number: MCCET-3649. When linked with the UME plug-in, AVC Long GOP interlaced
QT mov file displayed as 12.5fps in the FPS column instead of 25fps.

➤

Bug Number: MCCET-3722. (macOs) The Panasonic P2 plugin was not working with MediaComposer v2020.x This has been fixed with P2 plug-in v4.9.0.5.

➤

Bug Number: MCCET-3971. The Remote Client checkbox did not remain selected in the Loginwindow after performing a restart.

➤

Bug Number: MCCET-3858. In some instances, performing a Consolidate changed the tapebase Timecode.

➤

Bug Number: MCCET-3464. (Avid Artist DNxIQ, Avid Artist DNxIO) Intermittently, whenrewinding or fast-forwarding on audio only, playback stopped.

➤Bug Number: MCCET-3740. With AJA I/O hardware enabled playback on audio tracks became
erratic. This is fixed with AJA Desktop software v16.

➤

Bug Number: MCCET-3984. Alt+clicking the dB value field did not reset it to zero in the
Audio Mixer tool.

➤Bug Number: MCCET-3959. If you performed an Audio Punch-in and then stopped theplayback with the spacebar, the recorded segments might have been deleted.

➤

Bug Number: MCCET-4014. You could not login to MediaCentral CloudUX if the password
contained a special character.

➤Bug Number: MCCET-3940. Subtitles that included a dollar sign ($) exported from Media
Composer did not display properly in some 3rd party applications.

➤

Bug Number: MCCET-4025. You might have received a “This program is not supported on VM
instances” message when launching a Media Composer VM with a Floating License.
5Fixed in Media Composer v2020.12.1➤

Bug Number: MCDEV-14257. You might have received an “Exception” error when adjusting
Gain in the Audio Mixer on a Selected segment that did not have a set gain value.

➤

Bug Number: MCCET-4012. Exporting an Edit While Capture “in progress” clip as h.264 did
not work with the UME plug-in.

➤

Bug Number: MCCET-3406. (macOS) Saving a rolling title did not save or resulted in a
Breakpad window when working with the Title Tool application.

➤Bug Number: MCDEV-14183. Typing in a “,” instead of a “.” for gain values in numericalfields in the Audio Mixert tool might have resulted in an access violation.

6Legal Notices

Legal Notices
Product specifications are subject to change without notice and do not represent a commitment on the part of Avid Technology, Inc.
The software described in this document is furnished under a license agreement. You can obtain a copy of that license by visiting
Avid's Web site at www.avid.com. The terms of that license are also available in the product in the same directory as the software.
The software may not be reverse assembled and may be used or copied only in accordance with the terms of the license agreement.
It is against the law to copy the software on any medium except as specifically allowed in the license agreement.
No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, including
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Copyright © 2021 Avid Technology, Inc. and its licensors. All rights reserved.

Attn. Government User(s). Restricted Rights Legend
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Avid Media Composer ReadMe • Created 3/16/21

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