Unreal Engine Issues
Unreal Engine Issues
Details Panel - USTRUCTS do not save their expansions properly
UE - Editor - Workflow Systems - Oct 6, 2023Currently USTRUCTS do not support saving expansions properly. While we won't implement a separate pathway for USTRUCTS to save their expansions, a general solution to save expansions for class or st ...
Chaos Vehicle wheel output data does not include the wheel forces
UE - Simulation - Physics - Oct 5, 2023This is more of a feature request than a bug. From a UDN customer. The output from the simulation to the game thread does not include the force that has been applied at each wheel. It would be pref ...
Multi-Line Text metadata not available if Text variable is created in a Blueprint
UE - Gameplay - Blueprint - Feb 20, 2017The Multi-line Text metadata specifier is not able to be set in a Blueprint. This means that text variables that are created directly inside of a blueprint cannot have this specifier set and cannot ...
Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window
UE - Anim - Sequencer - Mar 31, 2023Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...
Blueprint nativization fails using a map type argument as Expose on Spawn
UE - Gameplay - Blueprint - Oct 2, 2020Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...
RepLayout can hold onto hard references to owning objects, preventing them from being destroyed.
UE - Networking - Feb 28, 2019RepLayouts are associated with an Owning Object, which may be a Class, Function, or Struct. RepLayouts will only be cleaned up when the Owning Object is no longer valid. RepLayouts hold references t ...
TMap property on AnimNode causes memory corruption
OLD - Anim - Jan 10, 2020FastPath can't handle TMap (maybe any other container type too) in AnimGraph causes this crash. FastPath copies TMap property to the AnimNode member property directly like MemCopy. So two properties ...
Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam
UE - Gameplay - Sep 17, 2024FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...
Unable to define custom raw input defice configurations
UE - Gameplay - Input - Feb 21, 2017The FRawInputDeviceConfiguration struct is not exposed so attempting to define custom raw input device configs fails with unresolved external errors when using: FRawInputDeviceConfiguration newConfi ...
TMap Contains Node Returns False Incorrectly Under Specific Circumstances
Tools - Nov 20, 2019The Contains node doesn't return an existing row from a data table under specific circumstances. This didn't occur when the struct the data table is based on was made via blueprints or there are mor ...