WGQ
Level 1 (19 points)
Mac OS X

Q: Mail preview text flickering in MacOS Sierra

Whenever I access a Mac Mail mailbox, the preview text of all the messages flickers initially, then stops.  This is a new issue since upgrading to Sierra.  I haven't seen this reported by anyone else, so I'm hoping it's something that can be resolved.  Is anyone else seeing this, and is there a known solution? 

iMac, macOS Sierra (10.12), 27" Screen

Posted on Sep 24, 2016 3:18 PM

by WGQ,Solvedanswer
WGQ WGQ
Level 1 (19 points)
Mac OS X
A:

I completed my re-install and it seems to have resolved the issue.  No more email preview text flickering.  I wiped my disk and re-installed everything instead of using upgrade/restore.  Haven't done that in years.  I didn't get the noticeable performance gain I was hoping for, but everything seems very stable and a lot of unused junk has been deleted from system directories.  I will report back if the flickering returns, but otherwise all is good.

Posted on Oct 10, 2016 11:12 AM

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Q: Mail preview text flickering in MacOS Sierra

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  • by WGQ,

    WGQ WGQ Oct 19, 2016 1:27 AM in response to comyan
    Level 1 (19 points)
    Mac OS X
    Oct 19, 2016 1:27 AM in response to comyan

    I'm not using Daylite and I'm experiencing the problem.  I thought it was cured by a reinstall, but it came back several days later.  

  • by Steve27,

    Steve27 Steve27 Oct 19, 2016 3:19 AM in response to WGQ
    Level 1 (18 points)
    Oct 19, 2016 3:19 AM in response to WGQ

    Daylite Mail still installed and no flickering (yet.)  What I did was go to Library/Mail/Bundles and remove the MsgFiler bundle which wasn't even active as I'm using the Application version now.

     

    I suggest others having this issue look in their Mail Bundles folder and clear out things that aren't in use.

     

    If the flicker comes back for me today I'll uninstall DMI and report back here.

  • by WGQ,

    WGQ WGQ Oct 19, 2016 3:35 AM in response to WGQ
    Level 1 (19 points)
    Mac OS X
    Oct 19, 2016 3:35 AM in response to WGQ

    ...aaaand now it's gone again.  No flickering.  I did nothing I know of to affect it.

  • by Steve27,

    Steve27 Steve27 Oct 19, 2016 3:43 AM in response to WGQ
    Level 1 (18 points)
    Oct 19, 2016 3:43 AM in response to WGQ

    We're having such fun! 

     

    Flickering back already.  I just uninstalled Daylite Mail Assistant.

  • by Steve27,

    Steve27 Steve27 Oct 19, 2016 4:58 AM in response to Steve27
    Level 1 (18 points)
    Oct 19, 2016 4:58 AM in response to Steve27

    By the way, I also have a Mac Mini with pretty much all the same software on it.  I have not had the problem on that machine.

     

    To others having the problem, what machines are you on?  My problems are all on my Macbook Air 2012 with 4GB RAM.  The Mac Mini has 12GB RAM.

  • by Steve27,

    Steve27 Steve27 Oct 19, 2016 9:04 AM in response to Steve27
    Level 1 (18 points)
    Oct 19, 2016 9:04 AM in response to Steve27

    Daylite Mail Integration uninstalled, a few hours of no flashing/flickering message list.

     

    It's back.  Not DMI or MsgFiler.

     

    Hopefully MacOS will fix this.

     

    Others with the problem  - how much RAM do you have installed?

  • by dimitrid,

    dimitrid dimitrid Oct 19, 2016 10:40 AM in response to WGQ
    Level 1 (4 points)
    Mac OS X
    Oct 19, 2016 10:40 AM in response to WGQ

    I have the same flickering issue since Sierra 10.12.  MBP retina 15" late 2013, 16GB RAM

  • by WGQ,

    WGQ WGQ Oct 19, 2016 4:26 PM in response to Steve27
    Level 1 (19 points)
    Mac OS X
    Oct 19, 2016 4:26 PM in response to Steve27

    27" iMac, 8GB.  The machine is not the issue.  My 2011 MacBook Air is not experiencing the problem.

  • by WGQ,

    WGQ WGQ Oct 19, 2016 4:31 PM in response to WGQ
    Level 1 (19 points)
    Mac OS X
    Oct 19, 2016 4:31 PM in response to WGQ

    ...aaaand now it's back again.  I have no idea why.  I haven't added any new apps or plugins.  It MUST be something that is running / not running to make the problem come and go. 

  • by Michael_Los_Angeles,

    Michael_Los_Angeles Michael_Los_Angeles Oct 19, 2016 5:54 PM in response to WGQ
    Level 1 (14 points)
    Mac OS X
    Oct 19, 2016 5:54 PM in response to WGQ

    Someone asked this earlier:

     

    I have no plugins or any "add ons" for Mail. It is happening on both of my machines with Sierra.

     

    1)     iMac (Retina 5K, 27-inch, Late 2015)

    2)     MacBook (Retina, 12-inch, Early 2016)

     

    When I restart the Mail app, it will stop flickering for a while then flicker.

  • by dianeoforegon,

    dianeoforegon dianeoforegon Oct 19, 2016 8:41 PM in response to Michael_Los_Angeles
    Level 5 (5,758 points)
    Mac OS X
    Oct 19, 2016 8:41 PM in response to Michael_Los_Angeles

    Sierra 10.12.1 is expected out soon. I expect we might see it by the Apple Event on Oct 27. It's a big update with lot of fixes. Be sure your add-ons are also updated.

     

    The last public beta build today was big 1.25 GB. It took quite some time to download and the install time was similar to installing Sierra. After updating, I would restart a second time in Safe Boot mode then restart normally. As always, backup prior to upgrading.

     

    If the flickering continues after the update, be sure to let Apple know via feedback.

     

    Safe boot

    *  shutdown

    *  start the Mac and *wait* for the startup chime to sound

    *  after the sound, press and hold down the shift key

    *  keep holding and *wait* until the grey  Apple logo appears

    *  now release the shift key and just wait (it could take a few minutes)

    *  eventually the login screen appears with the words SAFE BOOT

    *  simply restart normally

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