Final Cut Pro version 10.6 extremely slow!!!

I installed the 10.6 FCPX update on my 27" iMac (late 2015) and my editing has been extremely slow ever since. If I just add one transition between two clips, I have to wait a minute or two (with the rotating beachball) before I can do anything else.


I also tried it on my MacBook Pro (16" 2019) and it acts the same way. Very annoying and counter productive.


I also just updated both machines with the macOS Monterey version 12.0.1 iOS, however I was having the problems before I did that.


Is anyone else having this issue? Any suggestions?

iMac Line (2012 and Later)

Posted on Oct 29, 2021 12:38 PM

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Posted on Nov 8, 2021 5:25 PM

UPDATE: Yes, Terry, rolling back to FCPX 10.5.4 is the best advice. After I did that (and luckily my most critical Library had not been updated to 10.6 yet), everything worked as fine as before, even with it running on Monterey 12.0.1. So it looks like the issue is with FCPX 10.6 and not Monterey. But as I said before, it could be a problematic combination with both of those in play at the same time.


Is anyone from Apple Engineering listening in?


Friendly obvious advice: please make sure you backup to Time Machine regularly and before any updates — it's a life saver, especially in reinstalling an earlier version of FCPX. Also, save a copy of your Library in the current FCPX version before updating to a newer version. Once the Library is updated, there's no going back to an earlier version unless you have a backup Library from that version.


Good luck to everyone here in trying to work around this! "Frustrating" hardly begins to describe it.


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121 replies

Nov 15, 2021 3:06 PM in response to Tom Wolsky

I have a 2015 MacPro (then tricked out to the max with 2 G RAM for video. 10.6 says you need the very minimum of at least 4 G but even more is preferable. 10.6.1 the same. Check on “Requirements for 10.6.1” and see if your machine complies. Those whose machines do and had these problems report that 10.6.1 fixes things. My old silver horse needs to be sent off to the glue factory:-)

Is there

Nov 22, 2021 3:11 PM in response to photowinz

@photowinz, start a new thread (this one is getting long with parallel conversations) and include an Etrecheck report. Use the "Additional text" button below and paste the entire report into the pane. The report will give the hivemind here a chance to help you diagnose why your system isn't working well. There are so many potential reasons, like updating the macOS in place year after year rather than doing a clean install, using an app "cleaner" that actually damages the ProApps, installing Chrome and its problematic keystone daemons which break the system's video toolbox... The list goes on but we can't help you figure it out without more system info, which is what the Etrecheck report does.

Nov 11, 2021 9:21 AM in response to MoonMike

MoonMike wrote:

Hi, Tom! Yes, glad there are data-only backups. However, my issue is that my media rides with the Library and not on a linked folder. This is because some 90% of my media is AVCHD, and at the time it made sense, on importing, to copy those files to my Library, since I couldn't put my hands on the AVCHD footage as individual files.

If I had to do it all over, I'd import the AVCHD files and then, right away, convert them to Optimized ProRes files, which I could then put on a linkable folder and not copied to the Library And then I'd delete the AVCHD. Too late now, as I have some 32 hours of AVCHD.

So for me, having the data-only backups in 10.5.4 is of no use, since the media is copied — and therefore also updated to 10.6 — to my Library.


The media itself is not changed, just the library structure.

You can either:


a) Open (slowly) the library in 10.6, choose a location outside the library and consolidate;

or

b) With FCP not running, open the package contents, and make a Finder copy of the media folders inside the library to some external location


Then you can open a backup library or an exported xml in 10.5.4 and relink the media.

Jan 10, 2022 6:52 AM in response to Ümit Kivanç

A few things of note in your report:


You are running 11.6; if you want to stay in Big Sur, you should probably update to 11.6.2.


There are several crashes and applications hanging. Is the Wacom driver fully up to date?


Also I see that you are using Paragon software, which is meant to handle NTFS formatted drives.

That is fine, but they should not be used for FCP libraries or for exporting. Use Mac OS Extended or APFS.

Jan 10, 2022 7:32 AM in response to Ümit Kivanç

I had a few issues with Monterey 12.0.1, but 12.1 seems quite stable.

Of course, always make a full backup or three before upgrading your OS.

I usually do a clean install and then migrate only the user accounts, and reinstall the applications separately.

Even though your system is pretty lean, but because you are having issues, it may be worth doing that.

Nov 11, 2021 9:10 AM in response to MoonMike

Using an 2019 iMac w/Intel, and cant go 5 minutes without FCP 10.6 crashing.. I have seen (many) reports on other forums that it's happening just as much on M1 as Intel.


**Please everyone be sure to report this issue to the Final Cut team! Complaining about it here is no guarantee that the FCP team will hear about how many people are having this issue... You can report it directly to the FCP team here: https://www.apple.com/feedback/finalcutpro.html



Nov 13, 2021 9:43 PM in response to rebrags99

I am running a brand new 16" M1 Max - 1Tb - 32gb Unified Memory. I have the same issue as others have described when launching. I also had this issue on my 2016 MBP.


Here are some observations I've made:

  • The M1 Max cut the load time in about half or less of my 2016. So the raw horsepower does seem to help.
  • Once things are loaded, for the most part things are snappy, but occasionally it will feel the need to "load" an event when I click on it and it will then take the 30-240 seconds.
  • When watching Activity monitor during this time, the system is not taxed at all when FCPX is just "Loading...."
  • In Activity Monitor, Final Cut Pro Process says "Not responding..." when it is stuck at the loading screen.
  • I spend TONS of time removing/updating/reinstalling plugins, and If I load a blank project it opens instantly. So therefore, the plugins just existing does not cause the problem.
  • I also created a new library and copied all of the events over and created a blank Project. If I keep all of the event collapsed and then close FCPX and reopen, it loads fast "most" of the time. But then if you expand an event or click into one, you get the slow loading event.
  • It is slow in a similar time frame for a 3gb project vs a 96gb project. So size doesn't appear to matter.


That's it for my observations thus far. I agree with the 10.6 being the likely culprit.


Sorry to burst the bubble of all those hoping that their new M1 Max laptop will save the day.. it helps, but doesn't totally save it.



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Final Cut Pro version 10.6 extremely slow!!!

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