Operating system: Windows-10-10.0.18362 64 Bits
Graphics card: GeForce RTX 2080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 436.02
Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-10 22:12, hash: rB4ce3fbd52ae8
Worked: in old FileBrowser
Short description of error
File Browser Shortcut "Enter" not working when mouse is in filename field
Exact steps for others to reproduce the error
Open File Manager (save .blend), click into filename text field to change filename. Pressing Enter twice should first take the new name and then accept/save & close window. However, you have to first move the mouse cursor out of the text field again to Accept via Enter button.