Setting Project Settings->Rendering->Optimization->Clear Scene to "Do not clear" prevents the scene from clearing even in editor window viewports, such as the Components tab of Blueprints and the Preview window of the Particle Editor (Cascade).
1: Set Project Settings->Rendering->Optimization->Clear Scene to "Do not clear"
2: Open the Components tab of a blueprint
3: Observe the viewport
Head over to the existing Questions & Answers thread and let us know what's up.
| 1 |
| Component | UE - Graphics Features |
|---|---|
| Affects Versions | 4.5.1, 4.6, 4.7 |
| Target Fix | 4.8 |
| Fix Commit | 2515944 |
|---|
| Created | Dec 4, 2014 |
|---|---|
| Resolved | Apr 17, 2015 |
| Updated | Apr 27, 2018 |