According to the TELEUS HTC Desire web site, it looks like the official Android 2.2 Froyo update is available for download. Of course that's going to be fantastic news for those who managed to stay put with their device in the face of some newer offerings out there showcasing the latest iteration of the mobile platform.
Naturally, it brings forth things like Flash 10.1 support with the web browser, the ability to store apps directly on a microSD card, and mobile hotspot functionality to share data speeds. So what are you waiting for? Be sure to click on the source link so you can get yourself well acquainted with the software update, but be sure to perform a backup before proceeding.
source: HTC & TELUS via MobileSyrup