You may have already seen my announcements in my diary (1, 2, 3), but just in case, I’ll show you what this script can do: Tags diff in object history QuickLook for simple changesets Improved history tab Hotkeys show< > for user changesets N — on/off notes layer D — on/off Map Data layer G — on/off GPS tracks layer S — on/off satellite layer (Firefox only) H — open object history 1 — open first version of object Z — zoom to changeset/object bbox E — Open editor 8/9 — prev/next ma...
It definitely replaces a lot of functionality of osmcha, but also makes it more accessible, as there is a button added to open a changeset in osmcha