Unreal Engine Issues
Unreal Engine Issues
Dynamic input scripts crash when removing IF node's Pin and recreating it
UE - Niagara - Dec 19, 2018This seems to happen with other NiagaraScript. According to Licensee, when this operation is done, it seems that the ID of the parameter is incorrect. ...
Setting child actor component offset breaks child component variables set in parent constructor
UE - Gameplay - Blueprint - Sep 6, 2016If a child actor component has a local offset from the parent, any of the child's variables that are set in the parent's construction script are not registered. Workaround: Setting child variables ...
Compilation errors in Shallow Water contents example's Niagara module script
UE - Niagara - Oct 14, 2022This seems to be because the ModuleUsageBitmask is hardcoded as Particle. Sig.ModuleUsageBitmask = ENiagaraScriptUsageMask::Particle; UNiagaraDataInterfaceGrid2DCollection::GetFunction { ... ...
ExposeOnSpawn Class properties do not respect "none" as the value on "Construct object from class" node
UE - Gameplay - Blueprint - Mar 21, 2024I think that the root of the issue actually comes from the K2 node behavior itself. If you copy your node and paste it to a clipboard, you can see the pins and the string representation of all the v ...
TVOS - Adding Game Center image assets causes build script error
UE - Platform - Mobile - Nov 25, 2019"We are trying to add required Game Center assets to our Apple TV project. We are using the source code version of UE4. It seems that the editor UI does not support adding the Game Center leaderboar ...
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
[UDN 00456011] Actors attached to a static mesh socket inside a blueprint actor not updating when the mesh is moved.
UE - Gameplay - Aug 17, 2022Lots more info in UDN ticket: [Link Removed] TLDR is that if a construction script moves a child component with an attachment point, it's attached actors don't follow. This causes editor tools to n ...
Editor Crashes When Enabling Closed Loop on Spline in Blueprint
Tools - Oct 18, 2016Editor is crashing when setting closed loop in the construction script of a blueprint. This did not occur in 4.12.5 following the same repro, this is a regression. ...
Editor becomes unresponsive while Compiling with Save on Success of a Widget Blueprint that contains a Breakpoint in Pre Construct
UE - Gameplay - Blueprint - Aug 2, 2023This is not a regression. Tested in //UE5/Release-5.2 CL26001984 Editor becomes unresponsive after compiling with save on success a widget blueprint that has logic flagged with a breakpoint within ...
Subobject pointer may be null when attempting to access a nested BP added property in a BP script or python
UE - Gameplay - Blueprint - Mar 3, 2023This is likely something going wrong in the Blueprint Editor utilities function calls or something like that. Obviously this works as expected in the Subobject Editor itself, otherwise no nested BP ...