digitalmars.D.learn - "using `in ref` is deprecated" in client code while the module's

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digitalmars.D.learn - "using `in ref` is deprecated" in client code while the module's

kdevel (6/6) Dec 01 2023 After switching to dmd v2.105.3 I get this warnings almost

kdevel <kdevel vogtner.de> writes:

After switching to dmd v2.105.3 I get this warnings almost 
everywhere. Do I really have to fork msgpack-d in order to get 
rid of these warnings?

Now I replaced every "in ref" with "in" in my own code but I do 
not add that preview flag to the compiler invocation. Is that 
safe?

Dec 01 2023