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At the time, Luther was unsure about purgatory. It was not officially discarded till after his death. Lutheran Bibles till the last century still had the Apocrypha in them, but usually in a separate section.

There was no official decision on the Apocrypha until the council of Trent. Many theologians at the time didn't consider them totally inspired. Augustine wasn't to sure about some of them, such as Sirach, and in his last book (forget the name :( ) he said so.

There was no official decision on the Apocrypha until the council of Trent.

That's not quite true. The local councils (Hippo and Rome, I believe) around AD 400 which finalized the NT canon also included the deuterocanonical books. (Some Protestant apologists have an obscure argument which alleges that they didn't define exactly the same canon as Trent, but that's a matter for hair-pulling dispute, IMO. It's beyond dispute that their OT canon was closer to Trent's than not.)

Trent was the first time the canon was defined by an ecumenical council, and thus probably the first time it was defined infallibly.