Firefox 29 Problems

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iMac 27" i7 3.5GHz 24GB 3T Fusion HD - 10.10.2b MBP 13" 8GB, 240GB SSD - 10.10.2b iPad Air iOS 8.1.2
As usual, I quickly upgraded Firefox to v29 when it was released. I used the automatic update to install, but I immediately started getting those dreaded spinning beach balls. Eventually they subsided, but then Firefox 29 froze up twice. So I deleted v29 and downloaded a fresh copy and installed. So far, no freeze up and only an occasional spinning beach ball.

What I have noticed is that Firefox 29 has slowed on my machine significantly from v28. Scrolling often hesitates then jumps down the page. It often doesn't scroll smoothly. I regularly have 10 tabs open and when I click on a tab, it has taken 1-2 seconds for Firefox 29 to respond and switch. These are the same tabs I had open in v28 where I had none of these issues.

I am using the same extensions because the Firefox pre-scan found no incompatibilities. I have disabled ColorfulTabs because of a cosmetic issue. That must be a known bug since there are a number of posts about it on their website. I suppose I will eventually do some research and some extension disabling to see if one of them is causing my problems.

UPDATE:
Ok, here is another post with more problems.

After about 2 hours of surfing, FF29 slowed to a crawl (FF28 took about 24 hours to slow down) and I seemed to get the Mac spinning beach ball nearly every time I tried to do something. But the last straw is after I quit FF29 and then restarted, the bookmarks toolbar is blank. It's there under the toolbar, but it is blank. I looked in All Bookmarks and the folder exists and all my bookmarks are in there. They simply don't get displayed. I archived the bookmarks and tried to delete the toolbar folder to recreate it, but that cannot be done. I turned it off and back on and no bookmarks. I tried adding a new bookmark to the toolbar thinking it might trigger the bar to be redrawn. Nope, the bookmarks exist but won't display.

FF29 has become unusable for me and I am going back to FF28. Oh, and where did the Add-On bar at the bottom of the screen go to? It isn't displaying, and I cannot find the preference to turn it on like I could in FF28. Please Mozilla, get the bugs out of FF29.
 

vansmith

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I believe the addon bar was removed. I could be wrong on that though.

FF29 involves, mostly, a complete overhaul of the UI. There are going to be bugs that need to be ironed out. In the meantime, there's nothing wrong with migrating back to v28.
 

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