Mail crashes when hitting Reply in M1 Mini

OK, I have the M1 mini and two monitors.

The problem only occurs if the mail app is open on the second monitor i.e. the one without the dock attached.

I've swapped the dock around and tested it on both.

If the app is open on the second monitor and the email is highlighted from the sidebar choosing to reply from the menu in the preview pane crashes the app.

If you open the email or do the same thing on the primary monitor it doesn't crash.

I hope this is helpful.

Cheers

Rob

I am having the same issue. Just hooked up and got my new Mac Mini M1 set up yesterday. Worked great all day, until this morning when I hopped into my email and attempted to reply to a message. Found this forum thread and saw that it was dual monitor related. Can confirm this. If I drag my email over to my other monitor, it works fine. The second I put it on my second monitor it will crash. For science, I dragged the window half way between the monitors. If its over half way onto my main monitor it works, but the second you get over 50% of the window dragged onto the second monitor, it crashes immediately upon clicking reply or forward. Frustrating to say the least!

I have the same problem but under special circumstances.

I run an external LG monitor on my new MacBook Pro M1. Usually I keep the mail-App on the small MacBook Screen.

Only here the program crashes when hitting cmd-r or rightclick reply or reply via menu.

When the mail window is positioned on the external screen everything works fine.

Very strange - and quite disappointing.

I can confirm that, just tested it. It only crashes on hitting reply, if the mail app is on the second monitor.

When using a bigger second monitor, this is normaly my main (first) monitor, the macbook-monitor is just for mails an second.

Changing first and second monitor seems to help as an interim solution.

Is this, what we expect from apple? I don’t think so...

Hi, i have just figured out how to solve the problem on my Mac mini M1.

I went in Preferences / Mission Control ; there, I have activated "Screens have separate spaces", log out/log in and... no more crash :).

I tried to inactivate this option before, because I have wake up problems on my second monitor, but that's a different story...

I can confirm this issue.

M1 MacBook Pro 16Gb RAM MacOS 11.2.3

If you select an email in the Reading Pane and click the Reply button in the toolbar, Mail.app crashes.

If you open the email by double clicking and select Reply it doesn't not crash

Crash report below:

I can confirm. This issue is not solved in Big Sur 11.2

To recap: If I hit reply to email inside the main application, Apple mail crashes. But if I open the email to its own window and then reply, it works properly.

What is strange though is that evne though I updated to Big Sur a few days ago, this issue only started happening this morning.

Mark

I have this same problem. It only happens if you reply from the sidebar with a highlighted email. If you open the email and reply from the opened email, it works fine.

I just installed macOS Big Sur 11.2 update and (at the moment) Mail is not crashing when I click reply. I hope others are finding this as a solution.

I had the same problem with the same configuration. I solved it using "CleanMyMacX" and running all the options related to mail. I am not sure if the problem is going to come back, but so far it works.

Why is this marked as "solved"? It's not solved. It's a nasty bug that needs fixing. Yes, double-clicking email to open in a new window and then clicking reply is a way to not have Mail crash, but it still crashes if clicking reply/forward any other way.

I've had exactly the same issue. I've found that it only occurs for me when I use Mail on a secondary monitor - I have a Dell monitor attached to my MacBook Pro M1, and if I run mail on the Dell then the reply buttons work, but if I use it on the laptop screen, then it crashes. I have reported it using Apple Feedback, but hopefully this helps with a workaround, depending on your monitor setup.

I never thought to try opening messages in a separate window, but you're right, when that is done, no crash occurs. Bizarre.

Same issue here but with an M1 Macbook Air.

happens only when I have an external screen plugged in.