Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spam

OLD - Anim - Jun 6, 2016

Updating project to 4.12 corrupts Additive AimOffset thumbnail, causing log spamLogAnimation:Warning: Setting an additive animation (Owen_AimOffset) on an AnimSingleNodeInstance is not allowed. This ...

Crash when calling an event with an enum reference parameter with literal

UE - Platform - Linux - May 1, 2018

The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...

Input not recognized from 'Any Key' when set as an Action Mappings Binding

UE - Gameplay - Jul 12, 2018

The 'Any Key' input isn't working when it is assigned in the Axis Mappings menu. If you call 'Any Key' in Blueprint it still functions as intended. This is a regression from 4.19.2 (CL-4033788). T ...

Crash when creating a local variable inside of a collapsed node graph that has been copied

UE - Gameplay - Blueprint - Nov 5, 2015

If the user creates a function with local variables and then collapses the variables down into a collapsed graph and then duplicates this collapsed graph the variables in the second graph will be gr ...

Blueprint Break on Exceptions does not work with Accessed None errors

UE - Gameplay - Blueprint - Jan 14, 2015

The experimental feature Blueprint Break on Exceptions does not work with Accessed None errors. To test, create an actor variable in a blueprint and use it as an input to a function without having s ...

Crash when selecting "show" > "uncompressed animation" in Persona

OLD - Anim - Jul 1, 2016

From this UDN: https://udn.unrealengine.com/questions/301289/crash-in-persona-debug-display.html Proposed solution: In UDebugSkelMeshComponent::GenSpaceBases() before PerformAnimationEvaluation() ...

Crash Occurs on Second PIE When Using Seamless Travel to Travel From One Map to Another That Contain the Same Sublevel

UE - Gameplay - Dec 6, 2016

The editor is crashing on the second PIE attempt when using seamless travel to travel from one map to another when both maps contain the same sublevel. The travel is taking place using: PlayerContr ...

Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index

Tools - Jul 23, 2018

When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...

UCheatManager::ToggleDebugCamera() causes crash

UE - Gameplay - Oct 11, 2018

Toggling the Debug Camera with the UCheatManager::ToggleDebugCamera() function in a PlayerController derived class causes a crash. Tested in 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL ...

Curve Editor in CameraAnim and Matinee does not display anything in UE4.22

Tools - May 22, 2019

The Curve Editor appears black and doesn't show any information or data. This is a regression from 4.21.2 (CL-4753647) where the Curve Editor functioned as expected. This was reported and tested in ...