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EnvDTE::DocumentEvents crash in VS2022 v17.1 Preview 2
Monday 25th April, 2022
Heads-up for anyone writing Visual Studio extensions that it looks like EnvDTE::DocumentEvents::DocumentOpening() has a regression or change in behaviour that can cause a crash freeing a BSTR if you use it in VS2022 v17.1 Preview 2 onwards.
The interface in question is in the legacy automation interface once used by macros/addins and is now marked as "Microsoft internal use only" so I doubt this will affect anyone writing new code. Still, it's noteworthy - esp as the crash can manifest as a hang while opening a solution which makes it look like the IDE installation is corrupt.
