• 50% of functions are now binary identical to the 1.09b version
• #456 Assets can now be loaded directly form disk (no need for MPQ-files when modding)
• #528 Code ported to C (can still be compiled as C++)
• #111 Rich Header no longer contains incorrect sections
• #182 defined a Code Style with accompanying clang-format definition
• Diabloui.dll is now also part of the source tree
• Added Contribution Guide
• Added PDB build option for comparing with devilution-comparer
• CI now runs the original build chain
• Most magic numbers are now replaced by enums
• The code was reduced by 10,000 lines
• Fix a few issues, mostly relating to multiplayer

To verify the authenticity of the downloaded executable, the SHA1 hash sum of Diablo.exe for release v0.5 is b741c89abbf7b272da16e14baa38455a88ec7f3f as well as a asc signature.