Renaming Parent component to same name as a component in child causes crash from child blueprint

UE - Gameplay - Blueprint - Aug 1, 2017

Renaming Parent component to the same name as a component in the child blueprint causes a crash from child blueprint when you press enter. When you reopen the project from the crash, the child bluep ...

Execution Doesn't Resume When Hitting BT Task Breakpoint and Trying to Resume in the Behavior Tree

UE - AI - Oct 6, 2017

When a breakpoint is hit in a BT Task Blueprint, execution will not be resumed if you attempt to do so from the Behavior Tree that is running the BT Task. This will cause a crash if executed in the ...

Draw debug points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports

Tools - Oct 30, 2017

With the Draw debug points node, the points do not draw at the same sizes in Orthographic viewports as they do in Perspective viewports. This issue does not appear to be a regression. Versions Test ...

Crash editing Transition Logic after deleting State and Transition in State Machine

UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020

Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...

SetupToolChain.sh hasn't been updated to the latest version within Linux Installed Builds

UE - Platform - Linux - Jul 18, 2023

Repro Rate 3/3 Regression status is under investigation You are able to still package the project by ignoring and continuing after the dialog box is displayed in the Actual Results as it will util ...

Geometry collection marked as nanite has no fallback in cooked build when nanite is disabled

UE - Rendering Architecture - Dec 11, 2023

When geometry collection is set as nanite, there is no non-nanite render data cooked. This means that there is no fallback if the cooked build uses r.nanite 0. This used to work with some code worka ...

Android Volume Up/Down input events no longer functioning

UE - Platform - Mobile - Aug 23, 2018

Android Volume input events have stopped triggering in 4.20 Tested on Pixel XL (8.0) Also occurring in Main at CL 4309299 ...

Copying values of an array created through C++ does not copy all values

Tools - Aug 24, 2017

Copying values of an array created through C++ does not copy all values, only the first value is copied over. This is different than an array that is created in blueprints when those are copied they ...

Widget Slider increments in an odd way when it is dragged outside of its bounds when next to another Widget

UE - Editor - UI Systems - Aug 6, 2020

The attached video shows the results of this bug. When two Widgets are next to each other and one of them has sliders, when the sliders are dragged past their bounds they will increment backward so ...

ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled

UE - Platform - Mobile - Sep 20, 2016

When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...