This is correct, Obsidian uses CM6 on all platforms. A CM5 based editor is still available as "Legacy Editor" in the settings on desktop, to support older plug

This is correct, Obsidian uses CM6 on all platforms. A CM5 based editor is still available as "Legacy Editor" in the settings on desktop, to support older plugins. Mobile was always using a CM6 editor, while desktop only got CM6 some time after that. Which is probably the source of the confusion.