Yes, this is a repeat, with some new additions — like that US tax form, which has added new complexities this year. So we’re splitting it into two parts, just as 1040 Schedule 1 has become Schedule 1 and Schedule 1-A.
The short form deserves a geezer alert, as it was discontinued years ago. There’s a 1040-SR now for seniors — the only difference is that it’s printed in larger type.
Actual error message from IRS.gov on the day tax forms (and estimated payments) were due, April 17, 2018. Not funny. Note the difference in the set of dates cited for the outage.
Typos continue in 2026. Here’s a notice from January, 2026 that suggests a form was corrected in the future.
(This wasn’t from the IRS. This is a notice from a well-known brand of tax preparation software.)
Comics I Don't Understand 
If you get an unexpected call that says it’s from the IRS, you should definitely hang up. But if you call them – and by some miracle of patience get through – they’re always polite.
As Downpuppy says, the IRS will only write. They won’t call. They won’t text. They won’t send an email.
IDENTITY THEFT: It used to be that the IRS would give you a special filing pin if you were the victim of identity theft. But now you can do that proactively, to keep bad actors from filing on your behalf and claiming a refund. See
https://www.irs.gov/identity-theft-fraud-scams/get-an-identity-protection-pin
Yes, this will take about half an hour. But it could help you avoid lots of hassle later.