STABLE version -- 5.0.1002.354

[QZMTCH]

Thanks for the info.
Chrome already has a side bar(Reading List and Bookmarks).
Shall we add another side bar or add something into Chrome's side bar?

well, I don't use it, you need to ask the one who uses this side bar
if you can move this chrome side bar to the left, and add functions to this panel, then it’s probably convenient to do it, and not to make a second side bar
but all this is already necessary to see how difficult or easy it is, if not difficult, then do it in the chrome bar