Editor crash when adding elements to blueprint Set/Map

UE - Gameplay - Blueprint - Mar 22, 2017

Adding multiple element to TMap / TSet variable at once with a for loop causes the editor to lock up / crash (respectively). Regression: No - Map & Set variable types not available prior to 4.15 ...

Crash While Loading UTexture Data Inside PostLoad During Open Level

UE - Graphics Features - Mar 22, 2017

(User provided info) Crash (check fail critical error) if you try to load a UTexture's data (eg UpdateResource() or PlatformData .. Mip .. Lock/GetCopy) inside a PostLoad of anything during an Open ...

Ensure triggered when exiting PIE with dedicated server options

UE - Networking - Mar 22, 2017

When "Use Single Process" and "Use Less CPU when in Background" are checked off, running a dedicated server in PIE will cause an ensure on exit Regression: Yes - Behavior does not occur in binary 4 ...

Post increment operator is not overridden for data structure iteration

UE - Foundation - Core - Mar 21, 2017

Attempting to use a post increment operator in a TMap or TSet iterator will fail to compile with error shown in callstack field. This is due to the post-increment operator not being overridden in M ...

Crash when element is added to a map variable with unhashable key

UE - Gameplay - Mar 21, 2017

Crash when element is added to a map variable with unhashable key. An error is thrown on compile but an element can still be added under the Details panel of the variable. Crash Reporter: [Link Rem ...

Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened

Tools - Mar 21, 2017

Renaming a material isn't reflected in the Static Mesh Editor until it is closed and reopened. User Description: Let's have imported static mesh with material. Then select material using "Browse t ...

Crash when using 'DumpLightmapSizeOnDisk' Console Command

UE - Graphics Features - Mar 21, 2017

A crash occurs when using the 'DumpLightMapSizeOnDisk' in the Console Command. ...

Profile GPU Command Crashes Standalone Game on Mac

UE - Platform - Apple - Mar 21, 2017

[Link Removed] "ProfileGPU" Command Crashes Standalone Game on Mac but not on a Windows PC. Regression: No ...

~FStaticMesh() can crash with race condition

UE - Graphics Features - Mar 21, 2017

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...

App Cannot be Selected as the Tool for Diffing Text on a Mac

Tools - Mar 21, 2017

Editor Preferences -> General -> Loading & Saving> Source Control: the "Tool for diffing text" dialog box doesn't let you choose an application, because the file extension is set to .exe (for Windo ...