Operating system: Manjaro Linux
Graphics card: nVidia
Broken: (example: 2.80, edbf15d3c044, master, 2018-11-28, as found on the splash screen)
Short description of error
View -> Lock Time to Other Windows does not maintain scale when CTRL+TAB between two animation editor modes.
Exact steps for others to reproduce the error
Expand open the Timeline editor, now adjust the horizontal scale of the view (squeeze or expand), then Ctrl+TAB to swith to Graph Editor mode. Notice the scale does not stay in sych as it does when they are separate windows.