(Case 1259149) Packing sprites causes editor crash always

Using a Sprite Atlas asset causes the Editor to crash as soon as Unity packs sprites.

Reproduce

  • Open provided project
  • Right-click “Assets/Atlas1/New Sprite Atlas” asset
  • Choose “Reimport”

Actual
The editor crashes.

Expected
No crash.

Is this a b13 regression?
(Just asking so we can avoid some pain by not upgrading to it.)

I found out it’s caused by having the sprite atlas asset in the folder that’s getting packed and using sprite packer v2. Other combinations seem to work.

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Oh, sprite packer v2.
We don’t use it.
A new experimental feature with no tangible advantage.

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QA was able to reproduce the issue. Good job!

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We’ll see about that :p. If it actually caches the results then it should make the enter playmode faster for us. Right now it’s over 8 seconds for a project with thousands of atlases.

Please keep us posted whether it improves the enter playmode time.

Just updated to 2020.2.0a19. Enter playmode for me went down from 8 to 5, which is already pretty good. Unfortunately the new sprite packer didn’t improve things at all. Editor reads every single atlas file before entering playmode, which I was hoping the new packer would not do.

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This seems to have popped back in the latest beta.

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+1, I have this issue on 2022.2.2f1

Crashes with SpritePacker V1 as well: I literally did nothing to incur this, it was working fine yesterday.