Unreal Engine Issues

Transforming keys in Sequencer changes the interpolation of the keys

Going over the new features for 4.15 and I noticed that adjusting the transform of the keys in Sequencer, causes them to change to a linear interpolation. This is also effected if you select Transfo ...

GearVR trackpad quadrant buttons not detected in TM-MotionControllers

Using the TM-MotionControllers map as a test for GearVR, the 4 buttons in the trackpad quadrants of the bluetooth controller don't register via the blueprint. This issue did not occur on Vive at th ...

Packaged Game Ensure Crash when GameInstance working with Async loading thread

In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...

Output Log In Engine and In Local Log File Are Inconsistent

The Log Timestamp doesn't display in local time when "Log Timestamp Mode" and "Display Timezone" are set to "Local Time". Found in 4.24.2 CL#11100242 Reproduced in 4.23.1 CL#9631420, 4.26 Main CL#1 ...

Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable

After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...

Editor becomes unresponsive for long periods between edits of a user-defined enum type when it's referenced by one or more user-defined struct types.

After adding a member to a user-defined struct type and changing the member type to a user-defined enumeration, repeated edits to that enumeration will eventually cause the editor to become increasi ...

Instanced Stereo setting crashes engine when building lighting, creating a vector3 or disabling setting

After further investigation we noticed that the issue is arising from the Instanced Stereo setting. When creating a Vector3 in a new material, building lighting or disabling the Instanced Stereo set ...

Generate all Bodies on Selected Bones Does Not Generate Single Convex Hulls Uniformly

Occurs 5/5 Times Regression does not occur in //UE4/Release-4.27.2 @ CL 18319896 When 'Generating All Bodies' on a bone the single convex hull does not generate uniformly.  ...

Can't package project with custom engine plugin enabled.

Non-existing config file loading could cause memory leak

The cause of this problem is the Engine has code paths which register a new allocated object to Map without deleting the previous object. In the repro project, whenever hitting Space Bar, the level ...