Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 432.00
Broken: version: 2.83.5, branch: master, commit date: 2020-08-19 06:07, hash: rBc2b144df395f
version 2.90.0 as well.
Short description of error
When renaming a file/folder case changes are not taken into account.
Exact steps for others to reproduce the error
On default startup :
File -> Save As -> New Folder -> Type "TEst" as name, click to release focus.
Right Click -> Rename (or F2); Type "Test", click to release focus.
The name changes back to "TEst".
Rename to "Test 2", then back to "Test".