Search Issue Tracker

Won't Fix



Found in


Issue ID




The Marker does not Run and gets Skipped when running in Reverse




Priority: 3Not yet prioritized for a release


Severity: 2Core functionality majorly impacted

To reproduce:

1. Download attached "Timeline reverse" project and open in Unity
2. Open "ReverseNotWorking" scene
3. Open Timeline window
4. Select the TimeLine gameObject in the Hierarchy
5. Enter to Play mode
6. Observe that when running in Reverse the Marker does not Run, it just gets Skipped

- This issue appears both on Windows and OSX
- In Comments section there is attached a Video for reference
- Could not check on Unity 2018.* and Unity 2019.1.0b3 because the Project becomes Corrupted

Reproduced on Unity 2019.1.0b4, 2019.1.4f1, 2019.2.0b3 and 2019.3.0a3

Response avatar

Resolution Note:

Currently, using Notifications (signals) with a PlayableGraph with a negative speed is not supported.  However, I see that it could be useful in some cases. I will add to our backlog to change the implementation to support negative speeds.

All about bugs

View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.