Is it OK to upgrade to Catalina?

There are many problems reported with KBM and Catalina in the forum.

I would like to know if it is OK to upgrade, and if so the anticipatory steps that should be taken to facilitate KBM integration from the start instead of troubleshooting later on.

@peternlewis input would be greatly appreciated.

thank you

not #Peter :smiley:


KM works fine, but I'm using Catalina betas (10.15.4), so far both seem stable, no issues. On the plus side: Catalina betas get weekly updates.

Main thing, not KM related: 32 bit apps are not supported anymore, if you have any old essential app check that first.


Very funny !

Thanks for the comment about Catalina

My recommendation is that unless there is a compelling reason to do so, then do NOT upgrade to any OS (or any app for that matter).

Unfortunately, almost all of today's developers do not properly design and test updates before a public release, and therefore often have more new bugs than fixes in the release. KM is the rare exception to this trend.

I'm running macOS Mojave, and I'm very happy with it. I see nothing in Catalina that makes me want to upgrade, and a lot of reasons that give me pause.

Of course, compelling reasons could be any of these:

  • Apple no longer supports your current OS
  • You have essential apps that require a later OS
  • A later OS provides features and/or improvements that significantly increase your productivity.

Generally speaking, I never upgrade to a new macOS for at least 6 months after its official public release, and often for at least 12 months. This has served me very well and I have no regrets.


I'd just like to second that point because I don't think it can be stated strongly enough. If computer (macOS) or app stability is critical, the odds are upgraders have little to gain and lots to risk. This is even more true as macOS downgrades are increasingly difficult.

It's probably easiest to just tell oneself that a new version doesn't exist and wait 6 months (or so), as if there were no upgrade path currently available and the new, stable version won't be out for 6 more months. Even then, there may be reasons to stay put, like the deprecation of 32-bit apps mentioned above. In my case, for example, Catalina could be the most stable release ever, but that 32-bit app issue would mean more than $3,000 worth of software I'd need to replace, software I no longer use much but do need to have around. Yes, it's going to be extra expensive when I have to get a new Mac.


. if you buy a new mac

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good point: I will try to find a test searching for 32 bit apps in my iMac.

@JMichaelTX @NaOH @hello

and what are your thoughts on installing or not file vault

On your current Mac, open System Information. In the left-hand sidebar, under Software, select Applications. On the right, you can then sort by clicking the 64-Bit Intel column header, and that will group all the applications which are 32-bit because the listing for them will show as No.

As for FileVault, data security is important to me and a responsibility because of my professional work, so I have long used it. When it was first introduced, the claims were that it slightly slowed the Mac, but it was never anything discernible to me and I don't even know if that remains true as a consideration.

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thanks very much for your interesting comments.

file vault:

  • aren't you afraid to be locked out ? there were some rumours of cases years ago and it vaccinated me against even considering it. I have bad memories of being locked out of an extremely important PDF years ago (my fault, I had lost the password).
  • if you lose the password, are you kaput or are there ways out ?
  • how do you compare the security value of your computer password vs file vault
    By the way, if you bring your mac to the apple store for a repair, you have to ... give your file vault password ! (not your computer password).

some very bad surprises !!
thanks very much !!

I found an app that offers a bit more assistance with 32-bit apps than the System Information approach detailed above. It’s called Go64 and you can find more about it at

Apart from identifying 32-bit apps it can also reveal 64-bit apps that have dependencies on 32-bit components and also point you to developers’ websites.

I don’t have any connection with Stclairsoft but I have found Go64 (which is free) very useful.


Thanks very much !

Even then, I would give serious consideration to installing my current macOS, Mojave.
It's easy to do.

I've never found the need for it, so have not really investigated it.

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FileVault password recovery is (optionally) available through an iCloud account. Between that and my memory (for now, at least), I'm not concerned about losing access.

FileVault encrypts the files on a Mac, so access to the files is enabled through your Mac password. In that sense, Apple Store employees only need the Mac password to your account to access your files. While not foolproof, whenever I've had to give my Mac to any Apple repair people, I created a Guest user account for them. But at that point, they have physical access to the machine, so it's not as if that's completely secure.

Here's Apple's support document describing FileVault:

Use Filevault to Encrypt the Startup Disk on Your Mac

could you just point me in the right direction if you have the references on hand ?

==smart idea !==

Is it possible to keep an older version of macOS running in a virtual machine to deal with the 32 bit app problem?

yes, should be good. You can also keep an external SSD with Mojave installed, just in case you need to boot from there.

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Yep. It is the same procedure for doing a clean install of a macOS upgrade.
See: How to Do a Clean Install of a Major Version of the macOS

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