1. Objects in the Unsaved list cannot be discarded, only saved. The only options to discard changes are restarting UE or manually locating each resource and clicking Reload. This becomes extremely cumbersome for multiple resources. Please consider adding a "Discard Changes" option in the Unsaved list with multi-select support.
2. For levels with ExternalActors enabled connected via P4v, when attempting to revert a checked-out Actor, the option "Revert File" exists but fails with the warning:
LogSourceControl: Warning: This operation could not complete on the following map or external packages, please unload them before retrying :
Revert only succeeds after closing the current level. While UE excels at reverting most resources (BPs, textures, etc.) without closing them or restarting the editor, ExternalActors are an exception. Please optimize this workflow to boost efficiency.
(See UDN and Description)
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-330803 in the post.
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| Component | UE - Editor - Workflow Systems |
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| Created | Sep 22, 2025 |
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| Updated | Sep 29, 2025 |