"Content Browser 1" auto-hides if opened with the Level Editor, and has inconsistent docking behavior under the conditions caused by the repro steps above.
The root of the problem seems to be that whenever we open a Content Browser, `FTabManager` calls `InvokeTab_Internal()`. In the problem case, we invoke the Level Editor's tab manager, which only registers the first Content Browser (`ContentBrowserTab1`). Thus, Content Browser 1 is found in its tab manager under its `CollapsedDockAreas`. By contrast, `ContentBrowser2`, `ContentBrowser3`, etc. aren't in the Level Editor's tab manager's `CollapsedDockAreas` member variable, thereby causing `InvokeTab_Internal` to make a recursive call on the global tab manager.
This problem does not occur when one opens any Content Browser from any non-Level-Editor tab. Additionally, Content Browsers 2, 3, and 4 don't suffer from this problem (for the Level Editor).
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There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-186647 in the post.
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Component | UE - Editor - Workflow Systems |
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Affects Versions | 5.1, 5.2 |
Created | May 22, 2023 |
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Updated | Jan 19, 2024 |