Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client

UE - Networking - Jun 3, 2015

Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client. In 4.7.6, this results in a repeating log warning: "LogPlayerController:Warning: Calling IsLocalContro ...

Child character's Variable changes to the default value in a packaged project

UE - Gameplay - Blueprint - Jun 22, 2015

Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...

Compiler error on indirect blueprint component references when change is made to actorcomponent

UE - Gameplay - Components - Jul 10, 2015

When blueprints associated with the actorcomponent are open and changes are made to the actorcomponent, once it's compiled there are compiler errors on the indirect blueprints. ...

[CrashReport] UE4Editor_Engine!FDistanceFieldAsyncQueue::Build()

UE - Graphics Features - Jul 24, 2017

This is a common crash callstack that has affected more than 300 unique users since at least the 4.11 release. Other Jiras in the past with similar callstacks include [Link Removed] and [Link Remo ...

Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false

UE - Graphics Features - Dec 21, 2017

Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE.  Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...

Niagara Dynamic Parameters do not reflect layers in material instances.

UE - Niagara - Jan 19, 2022

The names of dynamic parameters in material layers do not seem to update from material instances.  ...

Physic Constraint movement is quadratic where previously it was spherical

UE - Simulation - Physics - Apr 6, 2022

Physic Constraint movement is quadratic where previously it was spherical. ...

Gameplay Ability Component Montage Replication incorrectly handles cyclic animation sections

UE - Gameplay - Gameplay Ability System - Dec 4, 2023

In AbilitySystemComponent_Abilities.cpp, the check for the client being on a different section on line 3059 checks that the RepNextSectionID is not the current section. One would assume this is beca ...

When multiple actors are selected, they have different undo behavior in the details panel

UE - Editor - Workflow Systems - Nov 15, 2021

When the text in spinbox has focus, it doesn't get the change notification externally. It may also be worth noting that ctrl z or ctrl y also do not get bubbled up to undo the text box values. It a ...

A widget set in the Grid Panel reverts back to it's default size and position when compiled

UE - Editor - UI Systems - UMG - Apr 13, 2022

A widget set to a specific row and column within a Grid Panel, that has been assigned multiple rows and columns, and then spanned across other rows and columns reverts to it's default position and s ...