This issue of TidBITS is a grab bag of topics large and small. If you have an iPhone 12 or iPhone 12 Pro suffering from a lack of sound during calls, Apple will fix it for free. In other Apple-related troubleshooting news, we’ve resolved the issue that caused some iCloud Mail users to miss recent TidBITS issues. The new 988 suicide prevention number in the US means many people will soon need to use full ten-digit numbers when making calls—Adam Engst explains how you can quickly find old seven-digit phone numbers in your iPhone contacts. Confused by a Chrome extension disappearing? Adam also tells you how to identify and fix corrupted Chrome extensions. Wrapping up the issue, Glenn Fleishman reviews the Chipolo ONE Spot item tracker, which uses Apple’s Find My network, and Josh Centers shares instructions for setting up a custom domain with the beta of iCloud Mail. Notable Mac app releases this week include Little Snitch 5.3 and Zoom 5.7.6. 
Suffering from an iPhone that emits no sound from the receiver when making or receiving calls? Apple has created a repair program to fix affected iPhone 12 and iPhone 12 Pro models for free.
It took us a few weeks to figure out that iCloud Mail servers had decided they didn’t like something about TidBITS. That’s now resolved, and we think we’ve reset all iCloud subscribers who bounced as a result.
As of 24 October 2021, seven-digit dialing for local calls won’t work in parts of the US due to the need to use 988 for the National Suicide Prevention Lifeline. Here’s how to find and update your stored seven-digit numbers.
After his LastPass Chrome extension disappeared in Brave, Adam Engst discovered that it had been corrupted and was easily repaired.
Chipolo previously offered trackers that operated only via its own network. The company’s new Chipolo ONE Spot instead relies entirely on Apple’s Find My network—with all its advantages and limitations.
Want to rely on iCloud Mail as your email provider but use a custom domain for your email address rather than icloud.com, me.com, or mac.com? Apple has now opened up that feature for testing. Here’s what you need to know.
Watchlist
Network traffic management utility now groups system background processes. ($45 new, free update, 32.6 MB, macOS 10.11+)
Improves transitioning of meetings from mobile to desktop and back to mobile. (Free, 25.8 MB, macOS 10.9+)
