System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.64

Blender Version
Broken: version: 2.80 (sub 74), branch: master, commit date: 2019-07-18 14:52, hash: rB38d4483c6a51
Worked: (optional)

Short description of error
RC has less of stability in sculpting mode then RC1.

Exact steps for others to reproduce the error
I work in scene with 1,8 million polygons and 570 objects. I was work with it in beta, then in RC1.
Sculpt mode in RC2 crushes periodically when i was changing brush tools, as example Crease tool (Shift+C), Flatten (Shift+T), or when press (F) to change brush size.
I was done some changes in RC2, then save file. Open and try sculpt same file in RC1 for few hours, and its stable, save changes again. Go again to RC2 and when i trying sculpt it crash after few minuts.
I try sculpt in RC2 some character with vore then 10 millions of polygons, but all polygons in only one mesh, and there is no crashes.