Unreal Engine Issues
Unreal Engine Issues
Crash editing Transition Logic after deleting State and Transition in State Machine
UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020Attempting 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, 2023Repro 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, 2023When 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, 2018Android 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, 2017Copying 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, 2020The 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 ...
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled
UE - Platform - Mobile - Sep 20, 2016When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...
MAC: UE4 Editor crashes in gldReadTextureData on Nvidia 330M
UE - Platform - Apple - Dec 15, 2014A user is reporting semi-regular crashes on his MBP 6,2, with Nvidia 330M GPU. This is a GL 3.3 GPU which we don't routinely test against, he may have the 256 or 512MB model, but this is unclear. T ...
Crash on PIE with varying number of players
UE - Networking - Jan 26, 2015User crashes on PIE when number of players is set to two in the "Play" drop down menu. No crash if number of players are set to 1,3, or 4. Additionally, setting the "Dedicated server" checkbox to ...