This is just an FYI from a long-time Mac user, not an alarm, just my opinion.
10.8.4 update from 10.8.3 was very unstable. I downloaded the 10.8.4 combo (full update (found here: http://support.apple.com/kb/DL1659)) and much more stable, however, still Safari (6.0.5) is crashing quite often...more often, in fact, than I can think of, for literally years (since, IDK, pre-snow leopard?). Sometimes there is lag and the only remedy is to restart my mac.
I also see other people having wifi, sleep/wake, safari (6.0.5) or other issues since updating.
If you have 10.8.3 on your Mac, I'd wait before updating.
I think Apple may have rushed 10.8.4 out for the new MacBook Airs.
10.8.5 may be coming very soon, I'd wait. https://www.macrumors.com/2013/06/19/apple-seeds-first-os-x-10-8-5-beta-to-developers/
*edit: I am suggesting, if you updated to 10.8.4 and are having issues, to use the above link for the full 10.8.4 combo update, it could help
, it helped me overall, and others also, but, I'm still having safari issues. (Another option would be to go back to 10.8.3 if you can.)
10.8.4 update from 10.8.3 was very unstable. I downloaded the 10.8.4 combo (full update (found here: http://support.apple.com/kb/DL1659)) and much more stable, however, still Safari (6.0.5) is crashing quite often...more often, in fact, than I can think of, for literally years (since, IDK, pre-snow leopard?). Sometimes there is lag and the only remedy is to restart my mac.
I also see other people having wifi, sleep/wake, safari (6.0.5) or other issues since updating.
If you have 10.8.3 on your Mac, I'd wait before updating.
I think Apple may have rushed 10.8.4 out for the new MacBook Airs.
10.8.5 may be coming very soon, I'd wait. https://www.macrumors.com/2013/06/19/apple-seeds-first-os-x-10-8-5-beta-to-developers/
*edit: I am suggesting, if you updated to 10.8.4 and are having issues, to use the above link for the full 10.8.4 combo update, it could help
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