System Information
Operating system: Linux-5.0.0-21-generic-x86_64-with-debian-buster-sid 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 430.34
Blender Version
Broken: version: 2.81 (sub 1), branch: master, commit date: 2019-08-02 08:09, hash: rBb54528fa1ed4
Short description of error
Moving keyframes in the Dopesheet Editor (by hitting G and typing a number value) doesn't do anything.
Exact steps for others to reproduce the error
New file
Select the cube and insert a keyframe
Go to the Dopesheet Editor
Select the keyframe, hit G and type a number (in order to move it that many frames)
...nothing happens...