This is a maintenance release that fixes some shortcomings and addresses various regressions introduced by the refactors in 6.0.0-beta.1.

Similar to 6.0.0-beta.1, this is an unstable release and the public API are still subject to change.

Improvements

Add more nullable attributes (#575, #604, thanks @ds5678)
Add GenericParameter::Variance property (#578, thanks @ds5678)
SentinelTypeSignature is now a singleton (#581, thanks @ds5678)
Add Insert and TryGetRidByKey to MetadataTable (0acd8ca)
Add support for debug data to be read from EOF / overlay segments (#583, thanks @DaZombieKiller).
Add EmptyDebugDataSegment (798a4ed)
Add BinaryStreamReader::ReadBytes(int32) (5863886)
Let IMetadataTable implement ISegment (9251f19)
Add linear sweep blob enumerators for #Blob, #Guid, #Strings and #US streams (b7f67d0).
Let all IMetadataRow structures implement IEquatable (aaf4d6e)
Ensure a type's namespace is always null or non-empty (#602, thanks @ds5678)
Drastically increase the accuracy of IMemberDefinition::IsAccessibleFrom and add analogous CanAccessDefinition methods (71d345f)

Bug Fixes

Fix an issue when cloning a method body using MemberCloner would not import calli operands properly (4a02161)
Fix an issue where the RSDS parser would incorrectly include a null terminator byte in the PDB path (#584, thanks @Windows10CE)
Fix an issue where export directories would be duplicated when using UnmanagedPEFileBuilder (3200229)
Fix an issue where zero base relocation blocks were duplicated unnecessarily (fd9cbb5)
Fix an issue where in some cases a non-empty import directory would be removed incorrectly if the UnmanagedPEFileBuilder was instructed to not trampoline the IAT (5f65621).
Fix an issue where cloned properties and events were not included in the final ClonedMembers collection in MemberCloneResult (#592)
Fix an issue where comparing two generic methods using SignatureComparer would result in a different conclusion depending on the order in which the two are passed onto the comparer (#595, thanks @ds5678).
Fix an issue when computing the offset range for a single metadata row (e1f3a9c)
Fix an issue where some ReadyToRun metadata read from a file would not be assigned an offset/rva (490176a)