Rudi Visser @rudi.dev · Nov 21

Seems EF Core 9 has an undocumented breaking change. Well, not breaking, but behavioural. Model changes in code without a migration in place will now throw a warning that's actually an error, whereas the app would actually work before with runtime errors. Not sure what I think of this! #efcore

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Rudi Visser · Nov 21

Oh wow, here's another one that's not documented (although more of a regression this time around). EF Core 8 temporal table migrations aren't compatible with EF Core 9. I think this is the first time a .NET version bump has screwed me over since v3.