Interface functions inherited after a duplicated actor blueprint is reparented to the blueprint it was duplicated from cannot be deleted.

UE - Gameplay - Blueprint - Oct 16, 2015

Interface functions inherited after a duplicated actor blueprint is re-parented to the blueprint it was duplicated from cannot be deleted. Note that the inherited function can be deleted in a new ac ...

Value for how long jump key is held is not updating while PIE and max jump count is 0

UE - Gameplay - Apr 14, 2017

I'm at a loss for what is going on here. This was observered while working through the first 2 steps of UEQAT-2780 (JumpTest.PNG shows those steps). This works in 4.15.2, but not in 4.16. If you cha ...

Compilation errors with UE_NET_ENABLE_REPLICATIONREADER_LOG enabled

UE - Networking - Iris - Jul 15, 2024

Enabling UE_NET_ENABLE_REPLICATIONREADER_LOG results in the following errors: {{4>[1/5] Compile [x64] ReplicationReader.cpp 4>D:\P4V\UE5-Main\Engine\Source\Runtime\Experimental\Iris\Core\Private\Ir ...

Editor crash on blueprint compile that contains edited BP Struct

UE - Gameplay - Blueprint - Sep 11, 2017

When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...

Crash Occurs When One Morph Target is Deleted and Another is Adjusted Afterward

UE - Graphics Features - Feb 26, 2018

Engine crashes when a morph target on an asset that has multiple morph targets is deleted and then another morph is adjusted afterwards Notes: Asset came from an older Jira where this same issue o ...

Landscape brush not visible when landscape material uses World Position Offset

UE - LD & Modeling - Terrain - Landscape - Jan 13, 2016

Landscape brush not visible when landscape material uses World Position Offset. Update: Brush also not visible when landscape material uses displacement. Tested in Binary 4.10.2 from launcher. ...

VR Editor Taking Input From Wrong Controller in Foliage Painting.

UE - Editor - Workflow Systems - Nov 2, 2016

When in Foliage Painting mode, the left trigger press causes the right controller to paint foliage instead of the left controller. This bug does not affect Landscaping or Mesh Painting. This is a r ...

Window Switcher does not open and focus on Message Log

Tools - Jan 6, 2017

The window switcher is not focusing on the message log if it is selected through the window switcher UI. Repro rate is 9/10 - Sometimes, it would switch to the message logs (Update - Laz) This i ...

Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling

UE - Editor - Workflow Systems - Jan 11, 2022

This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...

Analog Input does not work for network clients (AddMovementInput scale values other than 0 and 1 do not replicate for clients)

UE - Gameplay - Jun 26, 2015

If a value other than 0 or 1 (Ex. 0.1) is put into the 'Scale Value' parameter for the Add Movement Input node, any clients will respond as if the value is 1. User claims this worked in 4.6. ...