3.21.4 ====== * overview: Fix switching workspaces when scrolling on non-primary monitors [Florian; #766883, #768316] * Fix crash when using screen recorder under wayland [Rui; #767001] * Update theme on video memory purge errors [Rui; #739178] * Free old backgrounds immediately [Hyungwon; #766353] * Add support for system upgrades to end session dialog [Kalev; #763611] * Fix maximized windows flickering to the wrong size on restart [Owen; #761566] * Hide ignored events in calendar as well [Florian; #768538] * calendar: Only hide dismissed occurrence of recurring event [Florian; #748226] * Provide org.freedesktop.impl.portal.access implementation [Florian; #768669] * Misc. bug fixes and cleanups [Rui, Florian, Marinus, Jonas; #767954, #768317, #746867, #762206, #768956, #768979] Contributors: Jonas Ådahl, Piotr Drąg, Hyungwon Hwang, Kalev Lember, Rui Matos, Florian Müllner, Marinus Schraal, Owen W. Taylor Translations: Andika Triwidada [id], Daniel Mustieles [es], Bruce Cowan [en_GB], Dušan Kazik [sk], Piotr Drąg [pl], Chao-Hsiung Liao [zh_HK]