133.0.5910.0 – 2026-05-26 blog post

• CHR-10322 Update Chromium on master to 148.0.7778.97
• DNA-125072 Bump major version to 133
• RNA-1252 Can’t use chrome remote desktop in Opera
• RNA-2045 Tab islands get ungrouped randomly after browser’s restart
• RNA-3033 Update new Easy Setup to use context
• RNA-3215 “Next” button visibility issue in onboarding flow on smaller (14-inch) displays
• RNA-3280 Crash at opera::LayeredViewAnimator::StartViewAnimation
• RNA-3282 Env color variables are not correctly calculated
• RNA-3303 Toggle buttons for sounds on editor page doesn’t work
• RNA-3304 Changing mode on editor page causes color issue
• RNA-3323 Inconsistent corner radius on vertical strip
• RNA-3324 Incorrect placement of buttons in Change Tab Island Appearance pop-up
• RNA-3326 Incorrect color usage for Tab Island Names compared to Handle color
• RNA-3330 [SplitScreen] Cleanup unused test helpers
• RNA-3353 Theme name and wallpaper not updating correctly when changing themes via Easy Setup
• RNA-3364 Animate the tabs sliding in/out when expanding/collapsing a tab island
• RNA-3365 Animate the toggle arrow rotation when expanding/collapsing a tab island
• RNA-3367 Vertical tabs: multi-tab selection (Ctrl/Cmd/Shift click)
• RNA-3370 Vertical tabs: visuals and same-window drop for multi-tab drag
• RNA-3371 Vertical tabs: multi-tab drag interaction with pinned tabs and split screens
• RNA-3373 Missing context menu on right-click in empty area of vertical tab strip
• RNA-3375 Vertical tabs: drag a whole tab island
• RNA-3376 [Win] Google Meet PiP Buttons Require Multiple Clicks to Respond in a pop up
• RNA-3378 Google Meet Picture-in-picture resizing only works on top edge
• RNA-3381 [Uninstall survey] Content overflows onto privacy link
• RNA-3387 Too much space between Vertical Tabs and website
• RNA-3388 Incorrect placeholder for Tab Island name
• RNA-3394 No hover effect on hovering over the ‘add new tab’ button rectangle
• RNA-3398 The vertical tab strip remains opened when entering the theme editor site
• RNA-3399 Split screen icon is white in light mode
• RNA-3401 Translations for 132
• RNA-3409 Add accessibility name for volume booster popup (window)
• RNA-3411 Enable #color-theme-configure-easy-setup on developer
• RNA-3412 Change URLs to use the new theme edit page
• RNA-3416 Mark non-translatable strings as translatable=”false” in GRD/GRDP files
• RNA-3429 Hiding/unhiding theme gallery shortcut/ side panel
• RNA-3434 Update Embedded Aurora and midsommar shaders
• RNA-3435 Update Classic theme with color frames and saturation Slider

---