Reproduced: Source Control causes crash in 4.10 Preview 2.
To reproduce in 4.10 preview 2: Click the source control button > Click Perforce > Experience crash.
asked Oct 20 '15 at 04:55 PM in Bug Reports
This was reported for Preview 1 as well (UE-22260) and is under investigation.
answered Oct 20 '15 at 05:54 PM
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