The Merge Actors Tool doesn't account for rotated collision shapes when doing non-uniform scaling

UE - Gameplay - Aug 30, 2016

Collision shapes for merged actors using the Merge Actor tool do not account for the rotation of the actor when combining the data. It looks like the X and Y collision shape rotation in the world ...

Reroute nodes break Cached Poses in AnimBPs

OLD - Anim - Sep 2, 2016

Reroute nodes break Cached Poses in Animation Blueprints Regression: This does not occur in 4.12 ...

BSPs cannot be selected through other BSPs set to hidden

UE - LD & Modeling - Modeling Tools - BSP - Nov 17, 2015

BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...

Custom Events with Default parameter names causes an internal compile error

UE - Gameplay - Blueprint - Nov 2, 2016

Custom Events with Default parameter names causes an internal compile error User Description: I'm not sure if it's a bug,but I post it in bug reports in case it is.Here is the problem: create a c ...

Overriding functions from a parent class then creating a child class creates two copies of the function in the child class.

UE - Gameplay - Blueprint - Jan 14, 2015

When a child blueprint is created from a child of another blueprint that has overridden a function of the original parent blueprint, the child of the child will have two copies of the function. ...

"Fix root motion initial rotation handling" commit breaks root motion completely

OLD - Anim - Dec 18, 2014

Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...

Default Value is lost, when variable is renamed

UE - Gameplay - Blueprint - Aug 10, 2016

Projects cannot be built and opened in DebugGame from the commandline

UE - Foundation - Core - Oct 16, 2017

Code projects in 4.18 cannot be opened in DebugGame from the commandline. REGRESSION: Yes. This worked successfully in 4.17.2. The attached log is from 4.19. The log for 4.18 was similar. ...

Broken Composite Decorator

UE - AI - May 14, 2019

Reported by Square Enix on UDN, ...