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What conceivable reason would they have to remove this kind of important functionality? I don’t understand.
Improving AirTag battery life is the first thought that comes to mind for me.
I don't see how that's possible. The Airtag pings the Find My network periodically anyways, sending battery life along with that data cannot possibly be that detrimental to battery life.
> cannot possibly be that detrimental to battery life

Know anything about batteries? There are other ways of determining remaining battery capacity, but most popularly it is determined by testing voltage, which itself can be split into two methods: testing voltage under load and testing voltage not under load. Testing voltage under load takes energy. Testing voltage not under load will also take energy (if the tester is built in to the device, which it is) but not as much, though testing not under load is not nearly as reliably accurate as testing voltage under load.

So, in fact, not only possibly, but definitely, checking battery life is always detrimental to battery life because it takes power to check voltage under load to produce battery life data, and that power comes from the battery's remaining capacity.

Then poll the battery at a lower frequency. Make it a cronjob that only updates every week, or a method that gets called after broadcasting device position. If Apple really wanted to empower their users, they would have added this as a low-power mode switch in the Airtag settings, but... nope.

I get where you're coming from, but Airtags have worked perfectly fine in the wild thus far. Obviously the battery testing isn't that detrimental, and since Apple hasn't made an official statement confirming that's the case, I think I have to chalk this up to apologism. Apple took away another feature, and the community can't help but find excuses. This is the whole "we need the notch for our 1080p webcam" hustle all over again...

> I get where you're coming from

It's ok, but obviously not. I was merely correcting your mistake, perhaps pedantically, and really that's all. I was not, in fact, giving you license to build a straw man factory.

The article says the indicator was unreliable, and a notification will be issued only when it is critically low.

It may not be permanent, or it may have been done for other purposes.