This project crashes with no crash report when a certain Blueprint is compiled

UE - Gameplay - Blueprint - Jan 28, 2015

This user's project crashes with no crash report when its 'BP_Node' Blueprint is compiled. No crash report is generated and the log does not indicate a crash. Note: the project will not open after ...

The == node is no longer available for Strings

UE - Gameplay - Blueprint - Jun 14, 2015

The == node is no longer available for Strings. Reproduced in 4.8.0 and Main (The == node is no longer available for Strings). This is a regression: the == node for strings existed in 4.7.6 ...

Editor tabs switch when pressing stop during PIE

Tools - Apr 6, 2015

While playing in PIE, the editor switches back to the main tab when you're in the blueprint tab after you've pressed 'stop'. Therefore, if you're debugging a situation within the blueprint, you're i ...

[Feature Request] FloatCurves Can't Be Exported As .csv or .json

UE - Editor - Content Pipeline - Import and Export - Feb 12, 2020

You can't export FloatCurves as .csv or .json. You can reimport as .csv or .json. Found in 4.24.2 CL#10758860 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11318998 ...

Removing Aimoffset node from anim blueprint crashes editor

OLD - Anim - Aug 27, 2015

Removing Aimoffset node from anim blueprint crashes editor Frequency: 2/2 crashreporter: N/A ...

Anim Dynamic state does not reset when closing sequencer

UE - Anim - Sequencer - Apr 1, 2019

When using Anim dynamics in an animation. The actors affect stop in their current state once the sequence controlling the anim dynamics is closed. They do not appear to reset to their default state ...

Niagara - "Make Static" nodes do not seem to be working correctly.

UE - Niagara - Apr 7, 2025

When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...

Entering values manually for an object location inside the blueprint editor viewport no longer works

UE - Gameplay - Blueprint - May 21, 2015

When you move a cube around the viewport and then enter 0 within the location, rotation or scale xyz input, the cube does not reset. 4.8 regression range: BROKEN: CL-2549132 WORKING: CL-2548694 ...

HLOD build fails depending on the value of Loading Range in the World Settings

UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022

HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...

Sequencer does not save asset variables in event struct

UE - Anim - Sequencer - Jul 31, 2018

When adding a struct to a keyframe, Object Reference variables are not saved and Soft Reference variables are saved sometimes. Opening a keyframe's properties when the selected struct has an object ...