More reliable verbose path output (microsoft#1091)

Improved struct ordering (microsoft#1052)

Simplify use of `WINRT_NO_MODULE_LOCK` in DLLs (microsoft#1032)

Support binding std::optional<T> implementation to IReference<T> para…

…meters (microsoft#1030)

std::format support (microsoft#1025)

Avoid exception in observable IndexOf implementation (microsoft#1017)

Ignore errors during manual unregistration (microsoft#1005)

Use throw rather than abort() for guid parse failures (microsoft#992)

* Use throw rather than abort() for guid parse failures

Make `winrt::guid("...")` more useful at runtime by throwing on failure instead of aborting the program.

* Remove noexcept, add tests

* Revert operator== changes, revise tests

Co-authored-by: Kenny Kerr <kekerr@microsoft.com>

Harden put functions against misuse (microsoft#986)

Ensure the Xaml designer can find out WinMD (microsoft#982)