https://issues.dlang.org/show_bug.cgi?id=16663
--- Comment #5 from github-bugzi...@puremagic.com --- Commits pushed to stable at https://github.com/dlang/phobos https://github.com/dlang/phobos/commit/8f8979ebe15adf6ef82c3f43b81388a61be99700 Revert "Merge pull request #4790 from JackStouffer/uni-private" This reverts commit 1a7914a48cd7929373bb628f4938a8224de2167c, reversing changes made to d38727771b559828d50f01c70815f913e653b706. Fixes issue 16663 https://github.com/dlang/phobos/commit/2f27e58b0e498aeecfdbce5178ad0bb700ab779c Add regression test for issue 16663 https://github.com/dlang/phobos/commit/de688d978d3319e87adbe549538c7f0b0aa7743d Merge pull request #4901 from Dicebot/revert-regressions2 Fix issue 16663: std.unit.toUpper rejects an alias this to a string --