setting Simulate Physics and Set Actor Location And Rotation in code causes crash on project load

UE - Gameplay - Feb 19, 2015

If an actor's Simulate Physics and ActorLocation/Rotation properties are set in code the editor will crash immediately upon launch / debug in VS. ...

Crash using the 'Shot' Console Command after 'HighRes Shot 2'

Tools - Apr 7, 2015

A crash occurs when using the 'HighRes Shot 2' command, followed by the 'Shot' command. The user reporting the issue made a couple of notes to avoid the crash using these steps. He mentions the cra ...

LIVE: Seams appear to split in world composition browser when using lower scalability settings.

UE - LD & Modeling - Terrain - Landscape - Nov 5, 2014

When using scalability settings with the world composition browser, seams in separate landscapes break on low settings, even if they lined up on high or epic settings. ...

EQS Generators named "NewBlueprint" cause errors and crash

UE - AI - Feb 11, 2015

Naming an EnvQueryGenerator_BlueprintBase derived BP "NewBlueprint" and deleting it causes new custom generators to not appear in the EQS. This can also lead to a crash when searching for the new ge ...

Montage linkable elements lose segment links when changing dependant anim sequences without loading the montage.

OLD - Anim - Apr 27, 2015

If an animation has its length changed, either by changing its play rate or reimporting with a different length - elements in any unloaded montages will end up misplaced. Workaround: Load the monta ...

French AZERTY keyboard does not recognize ù, £, §, ^, _, ', or ² keys

Tools - May 20, 2015

French AZERTY keyboard does not recognize ù, £, §, ^, _, ', or ² keys ...

Create Comment from Selection Option Not Working in Behavior Tree

Tools - Jun 8, 2016

In a behavior tree, while having multiple nodes selected, using the Create Comment from Selection option does not create a comment box as expected. Found in 4.12.1 binary. Reproduced in 4.11.2 bina ...

Shortcut(Ctrl+W) do a duplicate action in Blueprint Interface function list even if threre is no duplicate/copy action in the context menu.

UE - Gameplay - Blueprint - May 10, 2017

Blueprint Interface functions have no duplicate/copy context menu but still shortcut (Ctrl+W) is working and making duplicated arguments. ...

Editor hangs at opening Widget blueprint editor when editor preferences window is up.

UE - Editor - UI Systems - Jun 14, 2017

Editor is not responding when opening WB with Editor preferences window is up. ...

Crash when using Vertex painter with material including cubemap texture sampler

OLD - Anim - Jul 3, 2017

Engine crashes when static mesh have material with cube sampler in vertex painter mode. Simply DaylightAmbientCubemap_Mat have texture cube as texture sampler. This is not reproduced in 4.15 versi ...