watchOS 26 Public Beta 4 / Dev Beta 7 – Everything New!

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🩸 Make it better with O2 Buddy: https://apps.apple.com/us/app/o-buddy/id6751239297
watchOS 26 Beta 7 (build 23R5346a) is here, and there are a few meaningful updates worth your time. In this video I walk through the return of the Blood Oxygen experience in the U.S., a Control Center fix for the blank‑icon bug from the last build, and a Water Lock + watch face jumping bug I can reproduce.

If you’re deciding whether to update your Apple Watch, I cover my current battery life and standby drain, third‑party app behavior, and the current state of watch faces and complications.

00:00:00 — Intro & Beta 7 release overview
00:00:13 — Nearing release candidate
00:00:48 — Blood Oxygen returns in the U.S. (hands-on test)
00:03:19 — Background readings & Vitals app discussion
00:04:45 — Control Center bug (blank icons) fixed/workaround
00:06:20 — Transparency effects & editing Control Center
00:07:40 — Third-party apps, responsiveness, and bugs
00:08:50 — Water Lock bug with second hand on watch faces
00:10:45 — New watch faces & collection layout improvements
00:11:55 — Workouts app redesign + Workout Buddy
00:13:00 — Performance & daily use impressions
00:14:20 — Final thoughts & what to expect in release

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My Equipment
Main Camera: Sony ZV-E10 – https://geni.us/HAVd7G
Secondary: Sony ZV-1 – https://geni.us/vOXMtHx
Third: iPhone 16 Pro – https://geni.us/7tUTB0
Fourth: DJI Osmo Pocket 3 – https://geni.us/7mRy

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Deity Microphone V-Mic D4: https://geni.us/hE4lC
All In One Mounting Pole: https://geni.us/7iUBll

My Desk Setup
Computer: https://geni.us/ATXgxA
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25 Comments

  1. im not on beta 7 yet but I have reported the waterlock issue that I mentioned. still find dead pixels on the solar analogue and the reflections watch faces so I have reported that as well.

  2. I’m running Public Beta 4 on my Series 10 iWatch. I don’t have either on the phone or watch. Instill get the message about blood oxygen is not available.

  3. Sleeping with it last night it took readings that I can see in the health app and third party apps like athlytic but it’s not in the vitals app but since the vitals app never shows the actual number and takes a week of sleep tracking to get a baseline I’ll have to check back in a weeks time to see

  4. {{{ iPhone 16 ~ iOS 26 PB4 (23A5326a); Apple Watch 10 ~ watchOS 26 PB3 }}} — Blood O2 app on watch still showing "no longer available" …guessing PB4 resolves this? 🤔…PB4 update not yet showing up for me.

  5. Uh are we sure the public beta is out for the watch yet? I'm not seeing it when I go to check for an update. Am I missing something?

  6. I’ve just put it on my ultra two Hermes and it’s already been taking several readings in the background.

  7. I can’t get it to show the blood oxygen level on the vitals app on the phone. Maybe it takes a few days. I’m running iOS 18.6.1 and watchOS 11.6.1.

  8. On mine the battery is draining while on the charger. Lost 10% in the last 20min with the cable on it