[TimeZoneInfo] Fix issue with some floating DST transition times creating invalid DateTime values, and implement ToSerializedString and FromSerializedString.
This change is released under the MIT license.
Miscellaneous changes per review
[runtime] Fix logic when allocating code region if the first try at a fixed address fails.
[System] Implemented .NET 4.5 overloads for GZipStream and DeflateStream.

Fixes xambug #21982.
[System] Restrict GZip/DeflateStream tests to .NET 4.5.
[delegate-virtual-trampoline] Add virtual parameter to existing JIT time code path
[delegate-virtual-trampoline] Add virtual functions delegate trampoline support

This optimization is activated in the ldvirtftn + delegate case, and is deactivated in the case where the architecture does not support it (mono_arch_get_delegate_virtual_invoke_impl return NULL)
Merge pull request #1161 from ludovic-henry/pr22-delegate-virtual-trampoline

[delegate virtual] Improve trampoline caching
[arm64] Allow v8..v15 in unwind info on arm64. Fixes part of #21615.
[mcs] nameof operator with unbound type arguments
[MS.Build] add test regarding item condition and target-generated property.
[MS.Build] when building MSBuild task, inherit properties.

This makes difference when the build has started from a solution especially
via command line with /p option. Those command-line-passed properties need
to be inherited to each project, but they weren't.
xbuild worked fine here.
added HasClaim, FindFirst, FindAll System.Security.Claims.ClaimsPrincipal method overloads - This change in released under the MIT license.
Added space before parenthesis according to Mono guidelines
[aot] Fix a small memory leak.
[mcs] Check for duplicate destructors. Fixes #21983
[mcs] null operator on address locations
Merge pull request #1204 from VQComms/claimsprincipaloverloads

Added HasClaim, FindFirst, FindAll into ClaimsPrincipal
[runtime] Don't make runtime invoke signatures generic. Fixes #21973.
[runtime] Fix the PLATFORM_GNU check so it works with gnueabi etc. as well. Fixes #21520.