Steps to repro:

1. Open attached project and 'test' scene;
2. Go to Window -> Frame Debugger;
3. Click 'Enable' button;
4. Click on 'Dynamic Batch' event under Shadow.RendeJobDir section;
5. Observe Shader Properties tab and properties values (e.g.unity_MatrixVP).

Actual result:
Shader property values are getting updated constantly (see attached video).

Expected result:
Shader property values should be static and not update.

Notes:
- Reproduces in 5.6.0b5, 5.6.0b4, 5.6.0b3; 5.5.0b2, 5.5.0p4, 5.4.4p1.
- Reproducible on both OSX and Windows;
- Not reproducible in Play mode;
- Not reproducible in RenderForwardJobDir Dynamic Batch events;
- Not reproducible with Static Batch events.