Blueprint CanJump node will return true once after current jumps is over max jumps and never return true again

UE - Gameplay - Sep 5, 2016

CanJump Blueprint node will return true for 1 jump after "MaxJumps" and if this happens, will never return true again, even after Character has landed and CurrentJumps has reset. ...

DetourCrowdAIController causes AI to update movement differently

UE - AI - Apr 3, 2015

When you use MoveTo BT node, with a target set as Actor and your AIController is DetourCrowdAIController, the AI pawn will update its goal destination much less frequently. Instead of constantly fo ...

Modifying a User created widget with an explicit navigation will cause the navigation to revert to it's default settings

UE - Gameplay - Blueprint - Jun 30, 2015

EDIT: Initial investigation done, check comments. If the user creates a widget and then places that widget inside of another widget via the User created section and then sets up a navigation using ...

Reimporting creates new Material Slots instead of overwriting.

UE - Editor - Content Pipeline - Import and Export - Jun 25, 2014

CHANGELIST: 2114974 BRANCH: UE4 - Main DESCRIPTION:                              Using the Reimport LOD1 drop down in the Static Mesh Editor will create new material slots each time instead of ove ...

Set nodes for Physical Materials are no longer accessible via Blueprints

UE - Gameplay - Blueprint - Nov 19, 2014

DESCRIPTION: Set nodes for Physical Material parameters are no longer accessible via Level Blueprint. AH Post: https://answers.unrealengine.com/questions/135031/cant-set-physical-material-properti ...

Data Only blueprints Class Defaults page become uneditable during runtime

UE - Gameplay - Blueprint - Aug 7, 2015

During runtime, a data only blueprint's class defaults tab becomes greyed out and uneditable during runtime. The values for specific instances can still be edited via the detail's pane. ...

Gradle AAR repository directories with $S(PluginDir) are relative instead of absolute path

UE - Platform - Mobile - Aug 1, 2017

Gradle AAR import paths need to be absolute instead of relative since the current work directory used to package Gradle is not the same as Ant. ...

Creating a Blueprintable Struct that contains a Tmap results in Editor Crash

Tools - Sep 6, 2019

Any blueprint with a TArray of a struct containing a TMap crashes the editor when adding elements ...

Layered Control Rigs + Skeletal Mesh with Animation Blueprint in the Sequencer

UE - Anim - Anim in Engine - Aug 13, 2024

When a layered control rig track is added to the sequencer the character’s legs will collapse into the body of the character. Switching the layer to additive will do nothing. Trying to force the ani ...

Modifying the properties of a ChildActorComponent in a child blueprint can modify the parent actor ChildActorComponent properties.

UE - Framework - Blueprint - Dec 10, 2024

When a property of a ChildActorComponent is modified in a child class, the parent ChildActorComponent class can also get modified. This happens when the Parent blueprint actor has a ChildActorCompo ...