Unreal Engine Issues
Unreal Engine Issues
Ensures cooking blueprints using functions that have delegate pins
UE - Foundation - Core - May 6, 2020REGRESSION: Does not occur in 4.24 Cooking a project containing functions with delegate pins fails with multiple ensures. ...
NetMulticast and BlueprintCallable C++ functions reportedly have incorrect parameters
UE - Networking - Nov 7, 2014Bug report from AnswerHub. Need to figure out why C++ functions tagged NetMulticast and BlueprintCallable send the wrong paramters to some clients. ...
Using blueprint debug step into BlueprintInterface function, occur crash.
UE - Gameplay - Blueprint Editor - Nov 10, 2017If StepIn is performed on a module for which the Interface function is not defined, a crash will occur. ...
Crash when changing the variable type of a variable used in a blutility function
UE - Gameplay - Blueprint - Feb 22, 2019When changing the variable type of a variable that is used in a function for a blutility a crash can occur ...
Cannot navigate to native function source code from blueprint editor
UE - Foundation - Core - Feb 1, 2020REGRESSION RANGE WORKING: 9404494 (right before Dev-Core copy up at 9405827 BROKEN: 9407021 (Dev-Networking copy up) NavigateToFunctionSource: Unable to find symbols for 'UPaperFlipbook::GetNumFr ...
Cooking Fails After FBX Imports Within Only Spot Lights
UE - Editor - Content Pipeline - Import and Export - Nov 4, 2016When importing an FBX file with only lights (in this case) via the "Import Into Level" feature this will cause the cook to fail. This can be resolved by adding geometry into the FBX file. ...
Moving a component in the main viewport does not call PostEditComponentMove() function
Tools - May 18, 2016When a non-root component for an actor is moved in the blueprint viewport, that component's PostEditComponentMove function is called. Adding the actor to the main editor viewport and then moving th ...
Fix function forwarding in demo drivers in instant replays
UE - Networking - Jul 13, 2020Demo drivers that are actively playing back a replay while still connected to another server as a client (via game net driver) will generate warnings due to the function forwarding code (UNetDriver: ...
Material editor: Parameter grouping does not work within functions
UE - Rendering Architecture - Materials - Nov 18, 2014When a parameter is placed directly within a material it's group assignment works. The parameter is listed within its group in material instances. This does not work with parameters that are creat ...
Widget functionality broken when removing / recreating the same widget from a widget component
UE - Editor - UI Systems - Jul 26, 2016When SetWidget is called, the call to Widget->MarkPendingKill(); causes the widget to lose functionality if the widget being created is the same as the widget previously removed. ...