v5.1.20

5.1.20 (2026-08-21)

Bug Fixes

• Ads: Don't enable the skip button before the ad's own media loads (#10447) (3ef7ed3), closes #10418
• Avoid quadratic copying of prefetched segment data (#10448) (da98f07), closes #10446
• net: Abort pending retry delays immediately (#10443) (be23bab), closes #10413
• offline: Close the database when another connection needs it (#10435) (4f2386d)
• offline: Don't leak an IndexedDB connection (#10434) (5141f6b)
• test: Skip Widevine tests on Edge with a revoked device certificate (#10449) (359cf4d), closes #10442
• UI: isolate keyboard shortcuts and fullscreen detection per player instance (#10436) (d64e40f), closes #10429
• UI: Preview time/thumbnails when seeking with keys (#10465) (af95fd1)