Unreal Engine Issues

Unable to save blueprint after Hot Reload that affects the class the blueprint is based on

After hot reloading a project, if the class a blueprint is based off of was edited, the blueprint is unable to be saved due to being referenced in Engine/Transient. Project for Repro: [Link Removed ...

Rigidbody not moving when small force is applied, and only rotates when angular impulse ≥ 7

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

Can Ever Affect Navigation does not detect updates to collision settings at runtime

When a mesh has its collision updated during runtime the navigation around the mesh does not update. Workaround: If the mesh is set to simulate physics then updates to its collision will update nav ...

Negative values in Display 1.7 of the Math_Hall map are not graphed correctly in ContentExamples

This is a regression from 4.15.2 ...

Devices reporting OpenGL ES 3.2 such as Galaxy Note 7 detect as ES2-only

4.7 Regression: Character::OnJumped_Implementation() not virtual and will skip user implementation or fail to compile

Character::OnJumped_Implementation() should be virtual or users' custom implementations will not be called. If they declare it with "override" their code will fail to compile. Already fixed in Main ...

[Audio Modulation]- Modulation of Pitch Destination on a Source Bus with a Parameter Patch affects Volume instead

Stepping in the inner area updates the Control Bus on the Patch, but the Modulation is applied to the Volume destination instead of Pitch. Reproduction rate: 5/5 This also occurs in //UE5/Release- ...

Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled

After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...

GetActorsPerception useless in 4.7

The new AI Perception system's BP API, marketed in release notes, depends on UAIPerceptionComponent::GetActorsPerception, that, as one AnswerHub user points out, is useless due to a buggy condition ...

SetActorEnableCollision does not affect Destructible meshes

Setting the SetActorEnableCollision blueprint node to false does not disable collision for a destructible mesh. Workaround: Adding a static Mesh component and setting any mesh will cause the collis ...