Steps to Reproduce:
Open the game, use survival mode, and jump into the water
Wait for the oxygen strip to be depleted
Observe the oxygen bar
Observed Results:
The oxygen bar has a "shrinking bubble pattern"
Expected Results:
This thing didn't exist in previous versions, and for some reason, it appeared
Linked issues
Attachments
Comments 6

I'm sure it's parity, as it's after version 1.20 and is present in the latest version of Bedrock Edition
I'm sure it's parity, as it's after version 1.20 and is present in the latest version of Bedrock Edition
It is not, Java Edition is the outdated one here: MC-271961.
From the 1.21.0 changelog.
Added an empty state for air bubbles on the oxygen bar, along with a wobble when the player is drowning
Added a popping sound when bubbles pop on the oxygen bar
Thank you for your report!
However, this issue is Working as Intended.
The report you have submitted is working as intended: see the 1.21.0.24 Beta & Preview changelog.
Air bubbles
Added an empty state for air bubbles along with a wobble when the player is drowning
Added a popping sound when bubbles pop on the oxygen bar
Please note, that mechanics of the game may change between updates.
Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.
Full Version History – Snapshot Version History – Feature Requests and Suggestions
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Thank you for your report!
However, this issue is Working as Intended.
The report you have submitted is working as intended: see the 1.21.0.24 Beta & Preview changelog.
Air bubbles
Added an empty state for air bubbles along with a wobble when the player is drowning
Added a popping sound when bubbles pop on the oxygen bar
Please note, that mechanics of the game may change between updates.
Things such as graphics, sounds, world creation, biomes, redstone, villagers, and animals may not work the same in current versions.
Full Version History – Snapshot Version History – Feature Requests and Suggestions
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki