From Perceived Performance Copy card link Activity Stream settings sidebar repaints and animates on the main thread #3192 opened by sarracini Bugzilla Has PR P1 Performance fx57 Grave of the Fireflies (September 3)
From Perceived Performance Copy card link Avoid loading scripts from html to speed up first run #3502 opened by Mardak P1 Performance Startup fx57 How to Train Your Dragon (September 17)
From Perceived Performance Copy card link Prerender popular topics height to avoid jumping #3604 opened by Mardak Has PR P1 Startup Uplifted fx57 Inception (October 1)
From Perceived Performance Copy card link Fade in pocket images from gradient placeholder image #3605 opened by Mardak P1 Startup Uplifted fx57 Inception (October 1)
From Perceived Performance Copy card link Avoid horizontal visual jank when showing prerendered with Pocket then render without #3621 opened by Mardak Bugzilla P1 Startup Uplifted fx57 Inception (October 1)