chore(v4.16.x): release 4.16.12

[shaka-bot]

🤖 I have created a release beep boop

4.16.12 (2025-12-15)

Bug Fixes

• Ads: Don't allow change supportsMultipleMediaElements while an ad is playing (#9460) (fc07f80)
• Ads: Fix start time of the interstitial when playing a pre/post-roll (#9459) (25dbc5f)
• Avoid audio streams filtering and use AdaptationSetCriteria instead (#9457) (4809a92)
• DASH: Handle external SegmentBase BaseURL and SIDX offset fallback (#9477) (26edcf7)
• DASH: Shift segment timeline with cached presentationTimeOffset (#9481) (9505d6d)
• Do not exclude time to first byte from measurements by default (#9476) (c65cf46)
• Fix exception reading audio-only content (#9465) (d8c2efc)
• HLS: Add a mediaTypes field to shaka.extern.DrmInfo (#9198) (4f9c751)
• Properly assign shaka.extern.DrmInfo#mediaTypes (#9340) (5af18c6)
• UI: Show Dolby Vision text for any DV codec (#9487) (c48a3ee)

Performance Improvements

• Prefer Uint8Array's {to,from}{Base64,Hex} methods (#9472) (9eb3c2c)

---

This PR was generated with Release Please. See documentation.

[joeyparrish]

NB: I want to get #9452 and #9453 in as well before we release this.

[shaka-bot]

Incremental code coverage: 100.00%

[avelad]

@shaka-bot test

[shaka-bot]

Bundle Size Report

File	HEAD	Base	Diff
cast-boot.js	1.6 KiB (0.7 KiB)	1.6 KiB (0.7 KiB)	0.0 KiB
controls.css	21.6 KiB (4.9 KiB)	21.6 KiB (4.9 KiB)	0.0 KiB
controls.css.map	7.8 KiB (2.1 KiB)	7.8 KiB (2.1 KiB)	0.0 KiB
demo.compiled.debug.js	241.2 KiB (48.3 KiB)	241.2 KiB (48.3 KiB)	0.0 KiB
demo.compiled.debug.map	304.0 KiB (73.1 KiB)	304.0 KiB (73.1 KiB)	0.0 KiB
demo.compiled.js	241.2 KiB (48.3 KiB)	241.2 KiB (48.3 KiB)	0.0 KiB
demo.compiled.map	304.0 KiB (73.1 KiB)	304.0 KiB (73.1 KiB)	0.0 KiB
demo.css	170.0 KiB (27.7 KiB)	170.0 KiB (27.7 KiB)	0.0 KiB
demo.css.map	59.2 KiB (8.6 KiB)	59.2 KiB (8.6 KiB)	0.0 KiB
deps.js	72.5 KiB (7.8 KiB)	72.5 KiB (7.8 KiB)	0.0 KiB
locales.js	37.8 KiB (9.3 KiB)	37.8 KiB (9.3 KiB)	0.0 KiB
receiver.compiled.debug.js	145.4 KiB (23.9 KiB)	145.4 KiB (23.9 KiB)	0.0 KiB
receiver.compiled.debug.map	153.7 KiB (30.0 KiB)	153.7 KiB (30.0 KiB)	0.0 KiB
receiver.compiled.js	145.4 KiB (23.9 KiB)	145.4 KiB (23.9 KiB)	0.0 KiB
receiver.compiled.map	153.6 KiB (30.0 KiB)	153.6 KiB (30.0 KiB)	0.0 KiB
shaka-player.compiled.d.ts	255.9 KiB (47.1 KiB)	255.9 KiB (47.1 KiB)	0.0 KiB
shaka-player.compiled.debug.d.ts	256.8 KiB (47.1 KiB)	256.8 KiB (47.1 KiB)	0.0 KiB
shaka-player.compiled.debug.externs.js	189.0 KiB (39.3 KiB)	189.0 KiB (39.3 KiB)	0.0 KiB
shaka-player.compiled.debug.js	1499.1 KiB (339.0 KiB)	1499.1 KiB (339.0 KiB)	+0.0 KiB
shaka-player.compiled.debug.map	2732.6 KiB (705.3 KiB)	2732.6 KiB (705.3 KiB)	0.0 KiB
shaka-player.compiled.externs.js	189.0 KiB (39.3 KiB)	189.0 KiB (39.3 KiB)	0.0 KiB
shaka-player.compiled.js	757.4 KiB (242.1 KiB)	757.4 KiB (242.1 KiB)	0.0 KiB
shaka-player.compiled.map	2140.7 KiB (650.8 KiB)	2140.7 KiB (650.8 KiB)	0.0 KiB
shaka-player.dash.d.ts	215.4 KiB (41.6 KiB)	215.4 KiB (41.6 KiB)	0.0 KiB
shaka-player.dash.debug.d.ts	216.1 KiB (41.6 KiB)	216.1 KiB (41.6 KiB)	0.0 KiB
shaka-player.dash.debug.externs.js	143.9 KiB (32.8 KiB)	143.9 KiB (32.8 KiB)	0.0 KiB
shaka-player.dash.debug.js	1071.8 KiB (249.4 KiB)	1071.8 KiB (249.4 KiB)	+0.0 KiB
shaka-player.dash.debug.map	1950.7 KiB (513.0 KiB)	1950.7 KiB (513.0 KiB)	0.0 KiB
shaka-player.dash.externs.js	143.9 KiB (32.8 KiB)	143.9 KiB (32.8 KiB)	0.0 KiB
shaka-player.dash.js	512.9 KiB (168.3 KiB)	512.9 KiB (168.3 KiB)	0.0 KiB
shaka-player.dash.map	1446.1 KiB (446.6 KiB)	1446.1 KiB (446.6 KiB)	0.0 KiB
shaka-player.hls.d.ts	219.7 KiB (41.9 KiB)	219.7 KiB (41.9 KiB)	0.0 KiB
shaka-player.hls.debug.d.ts	220.5 KiB (41.9 KiB)	220.5 KiB (41.9 KiB)	0.0 KiB
shaka-player.hls.debug.externs.js	148.1 KiB (33.0 KiB)	148.1 KiB (33.0 KiB)	0.0 KiB
shaka-player.hls.debug.js	1105.2 KiB (254.6 KiB)	1105.2 KiB (254.6 KiB)	+0.0 KiB
shaka-player.hls.debug.map	2031.8 KiB (529.8 KiB)	2031.8 KiB (529.8 KiB)	0.0 KiB
shaka-player.hls.externs.js	148.1 KiB (33.0 KiB)	148.1 KiB (33.0 KiB)	0.0 KiB
shaka-player.hls.js	546.8 KiB (178.7 KiB)	546.8 KiB (178.7 KiB)	0.0 KiB
shaka-player.hls.map	1559.8 KiB (475.4 KiB)	1559.8 KiB (475.4 KiB)	0.0 KiB
shaka-player.ui.d.ts	289.9 KiB (52.3 KiB)	289.9 KiB (52.3 KiB)	0.0 KiB
shaka-player.ui.debug.d.ts	291.1 KiB (52.4 KiB)	291.1 KiB (52.4 KiB)	0.0 KiB
shaka-player.ui.debug.externs.js	213.9 KiB (43.3 KiB)	213.9 KiB (43.3 KiB)	0.0 KiB
shaka-player.ui.debug.js	1782.2 KiB (398.1 KiB)	1782.2 KiB (398.1 KiB)	+0.0 KiB
shaka-player.ui.debug.map	3159.8 KiB (801.1 KiB)	3159.8 KiB (801.1 KiB)	-0.0 KiB
shaka-player.ui.externs.js	213.9 KiB (43.3 KiB)	213.9 KiB (43.3 KiB)	0.0 KiB
shaka-player.ui.js	949.6 KiB (293.3 KiB)	949.6 KiB (293.3 KiB)	0.0 KiB
shaka-player.ui.map	2504.1 KiB (745.8 KiB)	2504.1 KiB (745.7 KiB)	0.0 KiB
wrapper.js	0.5 KiB (0.3 KiB)	0.5 KiB (0.3 KiB)	0.0 KiB

[shaka-bot]

🤖 Created releases:

• v4.16.12

🌻