Layer thumbnails are not displaying properly (CPU Preview)
Issue: Layer thumbnails are cropped based on previous zoom state.
When you open a document that's been previously saved in a zoomed-in state, all visible layers' thumbnails will only show the elements that are visible in the zoom view. That is, elements that were out of view when the document was saved, are no longer visible in their layer thumbnail after reopening the document.
How to reproduce
Make sure "GPU Performance" is turned OFF in the preferences.
Create or open a document that has many elements in it.
Zoom into a particular area of the document, purposely cropping other parts of the document out of view.
Save the document.
Close and reopen the document.
Notice how the layers' thumbnails only display the elements that were in view.
Another possibly related bug is when creating elements via scripting. Elements generated outside of the current view are immediately not visible in their layer's thumbnail.
Some notes:
This only occurs when "GPU Performance" is explicitly switched OFF in the preferences (not by using CTRL+E or "View > View using CPU/GPU").
This only occurs for layers that are visible. Layers that had their visibility toggled off are not affected.
I believe the last version of Illustrator that did not have any of these problems was Illustrator 2024 (v28).
If needed, I can provide more details and/or screen recordings of the bugs. Just let me know.
Scott
shared this idea
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Yep, totally confirm.
Happens in Beta s well, on Windows 10.
Here’s a simple test files, for faster testing. -
Scott
commented
Sure, no problem.
Notice how in the layer's thumbnail a lot of the rectangles are missing. Only the two currently in view are shown compared to how it's supposed to look like in the original (when the whole artboard is visible).
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Scott, just for reference, can you please share one screenshot of the way it look at your side?
