Everytime I type "20", my iPhone auto-corrects this to "2.0"

I have the exact same issue. Incredibly annoying. Adding the phrase and shortcut to Text Replacement did nothing.

This is driving me crazy

Same! Text Replacement also didn’t do anything!

Have the same issue with “25” turning into “.25,“ !

What’s going on here?!

Have you sorted it? Mine is doing it too and it's doing my head in!

Same here. Clearly a bug in the update, so annoying. I never have a need to type 2.0 and have countless times told predictive text I mean “20”.

25 doesn't turn into 0.25 for me, at least. But the 20->2.0 bug persists no matter what I do. I really don't get how Apple's engineers did this and missed it. But hey, hindsight is 2.0/2.0.

20 > 2.0 no matter what I do too! Reset keyboard dictionary, choose the "20" from keyboard suggestions... nothing. So annoying!!! And yes I agree it's an iOS 15 problem...

Same issue! Driving me bananas. Apple needs to fix it. It only started when I updated to iOS 15. Regrats!

My phone also makes every 50 into 5-0 which is really infuriating since our address is 50. I'm ready to throw my phone away

YES, same thing happens to me except it’s 25. It autocorrects to 2.5 and it’s driving me insane.

That does not work

I really do not think they care too much about it, they would have fixed it, adding a Phrase does not work , repeatedly typing the number does not work either

I agree, I tried the phrase workaround and it didn’t work.

Yeah, that fixes my 50 problem as well. 5-0 is a police scanner App that I use for work on occasion, and I have been having the issues with 50 changing to 5-0 since iOS 15.

This is such a great find!! Sweet!

I updated my bug report with this information. If anyone else is on iOS bets, please make sure to report and include the cause of this.