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Check Activity Monitor for any laggy processes. Maybe try a restart. A restart seems to 'fix'/suppress most of the bugs so far in El Capitan (Apple is supposed to fix the bugs of course but this is well, a beta anyway.)

Performance for me has been great since PB1. Bugs aside animations/transitions have been really smooth.

Bugs wise I had weird blank-Space-on-fullscreen-exit bugs, Finder sidebar width bug, Desktop-Space swipe transition bug, iCloud login bugs etc on earlier betas but on the current beta they all seem to have been fixed.


PB4 No issues. Noticed a new El Capitan background picture included - same mountain at night - blue. Seems faster and snappier than PB3. FYI, I'm sure most people have noticed by default, Safari does not show the full website link / extension - only for example - helpme.com instead of helpme.com/default.html. To see the full web link you need to enable it in Safari / Preferences / Advanced and tick "Show Full Website Address".

Also the General icon in System Preferences has changed its look as well. Safari seems snappier with every release, and it helps to have Ad Block Plus installed :) BTW all languages including English are installed by default, so I use a free App called Monolingual to remove all non english languages from the whole system - 1.7GB freed. Has to be run after every OS update. It also allows removal of old architectural support for PowerMac G4 etc as well.
Check Activity Monitor for any laggy processes. Maybe try a restart. A restart seems to 'fix'/suppress most of the bugs so far in El Capitan (Apple is supposed to fix the bugs of course but this is well, a beta anyway.)

Performance for me has been great since PB1. Bugs aside animations/transitions have been really smooth.

Bugs wise I had weird blank-Space-on-fullscreen-exit bugs, Finder sidebar width bug, Desktop-Space swipe transition bug, iCloud login bugs etc on earlier betas but on the current beta they all seem to have been fixed.

Hi Hojx,

Thanks for the advice, i've already tried the restart and i've been using clean my Mac since Yosemite which surprisingly works fine on El Cap and the old Yosemite Betas.

I tend to restart my Mac again after every update that restarts the Mac automatically. One thing i did notice in activity monitor is that there was a PTP Camera process which was using around 14% and about i think over an hour of the processor's time.

I killed it and the lags aren't occurring as often but because the problem still occurred after i reboot it may be something from the new build. My Mac was extremely snappy on Beta 2, 3 and alright on Beta 1.

I might play it safe with some virus scans and such and i don't know if anyone has heard about this new worm. http://www.independent.co.uk/life-s...ters-and-go-entirely-undetected-10437275.html

Maybe i'm just being paranoid but hell anything that can attack your Mac on a firmware level is bad news!
 
This latest PB has been horrible for me. Everything beachballs, Office 2015 hangs/crashes like it's going out of style, and LogMeIn Client is unusable.

I guess I had my hopes up b/c the first three PBs were pretty solid in comparison. This one, not so much. But FWIW, I knew what I was getting myself in to so I was prepared for some instability...just a little disappointed that things are going in the wrong direction with stability.

Edit: 13" 2015 rMBP
I did a clean install of OS X El Capitan on my 2015 13" MacBook Pro with Retina screen and performance is much better than it was on OS X Yosemite. Not experiencing any major issues except for a beta glitch here and there.
 
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I'm having issues swiping between screens. The desktop is no longer a screen which can be swiped to and neither can I swipe through all full screen apps...
 
Dude me too, i posted a comment just before! glad i'm not the only one. it seems to be more basic process like switching full screen apps and typing (especially when it's at a decent pace!)

yea, I think is basic mouse handling issues when you edit clips - I am running a max out iMac Retina, what your machine ?
 
I am happy to see that this time around Apple has fixed all of the bugs that plagued Safari when browsing reddit. Honestly, after I submit a bug report it seems like the next update has the bug fixed. I think Apple actually reads our bug reports and does something about the bugs. Not used to that. Reporting a Linux bug on the other hand...

Edit: spoke too soon, swiping back causes Safari load an old reddit page from cache... and not the last one that was viewed...
 
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To anyone else having issues like me with constant beach balling that has made your system unusable...go to display and disable light compensation and brightness...solved the problem immediately for me. Noticed that it beach balled right when the screen dimmed. thank goodness...I was minutes away from going back to Yosemite.
 
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I hope this update fixes my WPA2 authentication issues at work with Aruba networks routers. I doubt it though. I think it is not going to be solved until the public release when our IT department will be forced to figure out how to resolve it.
iOS 9 db5/pb3 seems to have fixed this on iOS, so some progress is being made...
 
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So I just downloaded the El Capitan public beta from App Store but I ended up getting Beta 1! Is this normal? I now have to go through multiple Gb (over 2 just to get it to beta 2) and presumably multiple downloads and restarts to get it to version 4. This is very unlike Apple. Dare I say even a Microsoft-like level of annoyance.

How can I just get the Beta 4 in one package?
 
How can I just get the Beta 4 in one package?
Afain you can't. Each beta is an incremental update to the previous one, meaning you need to install beta 1, then update to beta 2, beta 3 and at last beta 4. All weighing in at 1,5-2 GB.

I went through it all earlier this week, and found no other way. Luckily I have a 1 gbps fiber connection at home, so all downloads took just ~10 minutes in total.
 
To anyone else having issues like me with constant beach balling that has made your system unusable...go to display and disable light compensation and brightness...solved the problem immediately for me. Noticed that it beach balled right when the screen dimmed. thank goodness...I was minutes away from going back to Yosemite.

Mine ran totally fine for days. Everything was perfect. Then on a whim I decided to restart (Late 2013 MacBook Pro 2.3 i7) and boom...nothing worked. App icons would bounce for 30 seconds before loading, every single action (EVERY ACTION) resulted in the beach ball for at least 15-20 seconds. Even clicking the battery icon to check my time left, opening a Finder window...beach ball for eternity. I finally re-downloaded the PB from the App store which reset it to PB1 so I've upgraded back to 3 and I think I'll stick there. They don't seem to be on any kind of release schedule so here's hoping for a PB5 soon.
 
So far they've been weekly, so hopefully PB5 comes out in a few days. I hope they repair whatever they broke in PB4 so I can use Reason, it's the only real showstopper for me and I am extremely curious how Cappy would work if I installed it on a SSD, not a ten-year-old external drive.
 
Installed this one and now Pro Tools won't recognize my ILok.

Same here although not using Pro Tools. All licenses gone since installing this beta plus as someone else mentioned on here the ignition dongle for Reason has also failed and I've also read the e-licenser is having problems also. I have one and it shows my licenses but i've not got anything installed to test it with at present! All these devices are USB protection devices so perhaps a clue for anyone a bit wiser :)
 
Interestingly my ignition dongle worked in PB3, but doesn't in PB4. Can't be bothered to try and check if I can use it with internet log-in, waiting for PB5.

Exactly, been checking software updates for the next one, sent reports though so hopefully something simple. I've had trouble with my license keys and the 2013 mac pro since I got it. First beta of Capitan fixed a lot then broke again with the last one! Fingers crossed...
 
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Interestingly my ignition dongle worked in PB3, but doesn't in PB4. Can't be bothered to try and check if I can use it with internet log-in, waiting for PB5.

Just installed public beta 6 but ignition key was still not working. Fixed though by trashing reason folder from applications and downloading and installing reason again. Try it!
 
It works already in PB5 and PB6, didn't even have to delete anything :) (I did, however, have to install a new version of the Codemeter software, or whatever it is called)
 
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