Hello there, @DanLA.

I can see that my colleague has already answered your concern about the availability of QuickBooks Desktop 2020 for MacOS Sonoma 14.7.4. You can refer to this link for the detailed information: https://quickbooks.intuit.com/learn-support/en-us/other-questions/re-quickbooks-desktop-for-mac-2020...

Additionally, we currently don't have a timeframe for when the QuickBooks Desktop 2025 will be released. But we want to assure you that you'll be the first one to know once it will be available. In the meantime, I suggest you check out this helpful article in keeping QuickBooks up to date. This resource will guide you on how to update your software to ensure you have access to the latest features and product improvements: Update QuickBooks Desktop to the latest release.

Furthermore, you can visit this article for guidance if you'd like to upgrade your company file to the newer version: Update your company file.

You can always get back to us if you still have queries about your QuickBooks Desktop 2020. We, the Community is always here to help you!