Yes. There's a Chrome extension that does it and a couple user scripts: https://webapps.stackexchange.com/questions/144258/slacks-web-version-shows-workspace-sw

Yes. There's a Chrome extension that does it and a couple user scripts: https://webapps.stackexchange.com/questions/144258/slacks-web-version-shows-workspace-switching-sidebar-but-only-on-chromebooks https://webapps.stackexchange.com/questions/144258/slacks-we...