The --transition=safe switch should only be used to show code with silent semantics changes related to @safe improvements. It should not be used to hide a feature that will have to go through deprecate-then-error before becoming default.
The D Programming Language's Unofficial Docs
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The --transition=safe switch should only be used to show code with silent semantics changes related to @safe improvements. It should not be used to hide a feature that will have to go through deprecate-then-error before becoming default.