Unreal Engine Issues
Unreal Engine Issues
Cascade Crashes Engine When Adding Particle LOD After Clearing LOD Settings
UE - Graphics Features - Feb 3, 2017In cascade if you add particle LODs then remove, clear the LOD settings array, then attempt to add more LODs (after current) the editor will crash. This crash will only occur if you add LODs after c ...
Editor crash opening level with instance blueprint component
UE - Gameplay - Blueprint - Feb 20, 2017When an actor has an instanced blueprint property, the order in which the map's imports are being verified when loading can cause the editor to crash. For example, trying to load an instanced bluep ...
Material Stats returning Incorrect Sampler and Instruction Counts
UE - Graphics Features - Mar 9, 2017When creating and modifying a material, the base Texture Sampler count and instructions are returning incorrect values. In 4.14.3 whenever you create a new material the Texture Sampler count is 0/1 ...
Forced reboot launching editor the first time
UE - Foundation - Cpp Tools - May 30, 2018Note that before I tried running the editor via the Launch button, I just happened to run the Editor exe directly, and this did not repro then. After my PC rebooted I tried to reproduce it again an ...
On static mesh import correctly named materials in project aren't automatically applied
UE - Editor - Content Pipeline - Import and Export - Jul 16, 2019When importing a static mesh into a project with the appropriately named materials in it already they won't apply to the mesh automatically when setting Search Location to All Assets without being i ...
Report of branching point notifies failing to trigger
UE - Anim - Runtime - Nov 15, 2021The problem seems to come from a notify having its LinkedMontage set to null when RefreshBranchingPointMarkers() is called. IsBranchingPoint() fails in this case, so it's never registered as a branc ...
Blueprint - Crash when a function takes an event as a parameter
UE - Gameplay - Blueprint - Oct 10, 2016Looks like maybe we aren't replacing the source delegate function (SignatureFunction) reference on the UDelegateProperty after recompiling the class - the function's owner name has the TRASHCLASS pr ...
Crash retargeting animation with Virtual Bone
OLD - Anim - Oct 25, 2016Crash occurs when attempting to retarget an animation whose skeleton has a virtual bone. ...
Crash on adding new element to ChaosCacheCollection if ChaosCacheCollection is open in editor
UE - Simulation - Physics - Destruction - Dec 11, 2020More ways to reproduce:In Chaos Cache Collection Editor press Add Element button (no matter when you will do this step)If in Step13 from Steps to reproduce you won't place Chaos Cache Collection Edi ...
Japanese language input keys/Menu key zoom out graph view
UE - Editor - UI Systems - Localization - Oct 31, 2017When using a Japanese keyboard, using Japanese language input special key(halfwidth/fullwidth/kanji key) zooms out graph view in BP editor and Material editor. It seems the menu key makes the editor ...