On a Mac, when opening a custom character blueprint from a project that has been converted to 4.5 from a previous version of the engine, the engine immediately crashes.
1. On a Mac running OSX 10.9.4 Open a third person project in UE4.5
2. Import user's custom uasset
3. Double click to open custom "MyCharacter_BP" (character blueprint)
4. Engine immediately crashes.
Head over to the existing Questions & Answers thread and let us know what's up.