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After Effects Lumetri Color Effect Stretches Image

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I applied a Lumetri color effect to a clip in my comp and it caused the image to stretch (as if I had distorted the horizontal size of the image). I toggled the effect on and off and the stretching disappears when toggled off. I removed the effect and reapplied, nothing. Restarted After Effects, nothing. Tried another clip from the shoot, no problems. I've had this, and other small bugs, appear randomly when using the Lumetri Color effect. Is there something that I'm missing or is this a known bug with After Effects CC 2017?

Roei TzorefCorrect answer

Legend

I found this bug too but when using a mask on a video layer with compositing option enabled with no GPU.

here:

lumetri+compositingBug.mp4 - Google Drive

go to project settings (file->project settings) and see if toggling GPU helps (hopefully GPU enabled would be better)

D

djchillbrodotgov

Participant

AE 2026 (26.3.0), Windows 11.

Bug still exists.

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Freddirike

Participant

April 2026, v26.2 and the bug still exists

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arthurb13470043

Known Participant

Still have this bug on AE 25.5.0 (Build 4). Nonsense!

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ethan.starkweather

Participating Frequently

Just encountered this bug. Pretty wild that it still exists more than seven years later.

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mediaanimatic

Participating Frequently

Ran into the same problem with AE 25
Precomposing the clip resolved the issue

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V

Viral29527832h1l0

Participant

copying and pasting the lumetri effect from a working clip to another seems to work for me ae 2023

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C

Christina25093669bmxd

Participant

Ran in to this bug on 24.5.0 (Build 52) Same fix worked.

Thanks for the help!

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J

JG_Work_Account

Participating Frequently

I also found this bug in AE 24.1.0 (Build 78). I have footage which is using Track Matte on another layer. Toggling the GPU fixed the issue. My project was set to Mercury Render. Thank you for that hot tip!

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karen5C5C

Participating Frequently

Just came across this in 2023 version. Only for me, the clip got squashed. GPU enabling fixed it but yeah, geez, how long is this going to stay in? Thanks Roel!

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