When launching, you’re prompted with a popup saying “A new version of Sublime Text is available, download now?” with the options being “Download” and “Cancel”.
Download takes you to https://www.sublimetext.com/download
User is unable to proceed without clicking cancel.
I conveyed this message with the help of tweet to their twitter account, hoping to get a replay.
The behavior could be intentional, as this model is being adopted by many software vendors. In this the free version of app is being forced to install the latest uodate, which helps the developers of the software find bugs and testing.
Hopefully they will one day take custody of maintaining the snap, but for now it seems like it’s in the hands of the snapcrafters.