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The Messages app (which you send and receive iMessages with) becomes very slow and unresponsive after upgrading to Big Sur. Other apps seem to be performing fine. Do anyone else have this problem? Will it be fixed in a future release?
MacBook Pro 16″, macOS 11.0
I found this and it worked for me.
Sonia Huelsenbeck says
After trying all the suggested fixes, I contacted Apple. They had me do the following and it worked:
Sign out of Messages on the MacBook. We can do that by opening Messages, then going to the top left corner of the screen and click messages -> iMessages. We should be able to sign out from there .
Up next we’ll go on the iPhone to Settings -> Messages, turn off iMessage, restart the iPhone, then turn iMessage back on.
Go back on the MacBook and get signed back into the Messages app.
Go on the iPhone to Settings -> Messages -> Text Message Forwarding. We should be able to flip a switch for the Mac to allow us to send SMS and MMS messages from the MacBook, and hopefully sort out the last of it.
Enter the code that pops up on your screen.
What settings in Accessibility did you change?
Accessibility > Display > Cursor > Cursor Size. It was set on the 4th (middle) size. I reduced it to the smallest size even though the other Macs are on the second setting.
Was only temporary fix for me. Am now back to unusable lag with iMessages (or Messages) in Big Sur. I had this with the previous MacOS and was hoping Big Sur would put this to rest. No joy.
THANK YOU!!! I changed that one setting, and the LAG whilst typing disappeared!
Very very helpful I just followed the steps you laid out and things are working great now. Thank you for saving me an obnoxious phone call.
Very Helpful! I had the same issue and this has fixed it so far, thankyou!
I followed all the directions again, and again, this is only a brief fix. This is so frustrating.
Mine seems to be okay but takes a good 3 seconds to open. Some weird lag. You find this too?
Was yours lagging in the App or just opening? Mine takes about 2 seconds to open when the app is already running. Very annoying.
Thank you Sonia,
It seems to have solved the problem, no more lagging in messages.
These steps solved my problem! Thank you very much for sharing =)
^ After 30 mins use, the slowness comes back. Sorry all this method does not work for me. Mine is 11.1 already.
I did also notice Messages using over 1GB of memory, bringing up from a minimized state takes 4-5 seconds.
I'm not seeing the option to forward text messages under Settings - Messages, is it still listed there as an option?
I have tried all these fixes and they are temporary. If that is not bad enough, this is both with a MacBook Air just before the M1 upgrade and also the new MacBook Air M1. No solution in sight.
Message app slow and lags on Big Sur
