LTS for .NET is 3 years, not two. There's a new LTS every 2 years, so you get a full year to move from LTS -> LTS if you need to. What kind of breaking changes

LTS for .NET is 3 years, not two. There's a new LTS every 2 years, so you get a full year to move from LTS -> LTS if you need to. What kind of breaking changes have been hard to handle?