I'm running Mac Version 10.14.3 on a 15-inch 2018 model.

I'm not sure if I received a new update but over that last few days it keeps adding random double spaces as I type.

I tried turning off key repeat as suggested on some websites but that hasn't corrected the issue. Has anyone else experienced this problem?

I've had this Mac for several months and I never had this issue until a few days ago. I'm not sure if it's software or hardware related.

  • Do you mean it randomly adds an additional space when you type a space or double space in middle of a word? – jmh Mar 23 at 0:39

I had a client with this exact same problem late last year, turns out it was a faulty keyboard and not software related. I would recommend you check your purchase date, see how the warranty looks in your territory and take it back to Apple for advice and repair/replacement.

It's a known problem with some (but not all) 2018 MacBook Pros:

  • Thanks for the great link! This must be it. – Berry Blue Mar 23 at 0:39
  • Don't believe this is the solution as I have had this happen on iMacs and other machines that are older and replacing keyboards did not help.... – Solar Mike Mar 26 at 15:48
  • This was a hardware issue but it was still under warranty. The replaced the entire top case. – Berry Blue Apr 20 at 2:49

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