I removed local extensions and the issue no longer occurs. After reinstalling them (and revising what was installed) I didn't encounter this issue again.
The extensions I had previously were: auto-move-wind...@gnome-shell-extensions.gcampax.github.com bluetooth-battery-me...@maniacx.github.com blur-me@nunchucks cast-to...@rafostar.github.com clipboard-indica...@tudmotu.com color-picker@tuberry d...@rastersoft.com drive-m...@gnome-shell-extensions.gcampax.github.com dynamic-panel-transpare...@rockon999.github.io freon@UshakovVasilii_Github.yahoo.com gestureImprovements@gestures hidetop...@mathieu.bidon.ca just-perfection-desktop@just-perfection openweather-extens...@jenslody.de p...@elhan.io screenshot-window-si...@gnome-shell-extensions.gcampax.github.com task-wid...@juozasmiskinis.gitlab.io tilingsh...@ferrarodomenico.com transparent-top-...@ftpix.com vit...@corecoding.com weatheror...@somepaulo.github.io x11gestu...@joseexposito.github.io -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2078821 Title: All gnome extensions stop working after login from lock screen or dimmed screen. Unhandled promise rejection in _sessionUpdated@resource:///org/gnome/shell/ui/extensionSystem.js:833:26 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2078821/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs