Hello, psk. 

Yes, the QBDT for the Mac 2021 version is still available and supported. You can conveniently access and download it through the designated page. This also guarantees you'll receive crucial security updates, ensuring the utmost protection of your valuable data. 

For additional resources about QuickBooks Desktop users on a Mac, I suggest you check out this article that offers a step-by-step guide on how to install and configure QuickBooks on your Mac computer. The article also includes valuable information regarding the minimum system requirements that your Mac should meet for optimal performance. Additionally, you can learn how to upgrade or convert your company file if necessary: Install and set up QuickBooks Desktop for Mac.

To learn more about the latest enhancements for QuickBooks Desktop for Mac 2021, I came across this article called "What's new in QuickBooks," which details all of the latest features. I highly recommend clicking the link to view the complete details of each feature. It's always helpful to stay up to date with the latest improvements.

Feel free to add a comment if you have any questions about installing the Mac program. I'll jump right back in to answer them for you. Have a great rest of your day.