Issue #3373328 by catch, keshav.k, Ambient.Impact, longwave: ^10.1 CSS aggregation breaks during maintenance mode

Issue #3079235 by acbramley, amjad1233, keshav.k, oknate: Media Library image style shouldn't be able to be deleted through the UI

Issue #2818677 by msankhala, NickWilde, Berdir, alexpott, dimaro, poornima.n, sidharthap, dhirendra.mishra, keshav.k, xjm, mahtab_alam, ieguskiza, borisson_, catch, larowlan: Replace usages of deprecated method drupal_render_root()