2.0.1

Full Changelog: 2.0.0...2.0.1

• Do not require _dir suffix in chunked vpks
• Removed System.Security.Cryptography.Algorithms
• Added ContinuousIntegrationBuild

2.0.0

Full Changelog: 1.8.0...2.0.0

• .NET 8.0 is now required
• Removed FindEntry overloads
• Reduced allocations in FindEntry
• Updated logo

1.8.0

Full Changelog: 1.7.0...1.8.0

• GetMemoryMappedStreamIfPossible will read files smaller or equal to 4096 bytes into memory instead of memory mapping.
• GetMemoryMappedStreamIfPossible now supports memory mapping files in non-split packages if the package was read from a FileStream or when using Read(file path).
• CRC32 is now calculated with System.IO.Hashing

1.7.0

Full Changelog: 1.6.2...1.7.0

• CRC32 mismatch exceptions will now print expected and actual values.
• Added GetMemoryMappedStreamIfPossible to get package entry file mmap for split vpks

1.6.2

Full Changelog: 1.6.1...1.6.2

• Added ReadEntry overload with user provided byte array
• Allow VPKs where MD5 section is not exactly 48 bytes

1.6.1

Full Changelog: https://github.com/SteamDatabase/ValvePak/compare/1.6.0...1.6.1?w=1

• Removed IsSignatureValid call from VerifyHashes
• Fixed slashes in AddFile
• Added VerifyChunkHashes
• Added VerifyFileChecksums

1.6.0

Full Changelog: https://github.com/SteamDatabase/ValvePak/compare/1.5.0...1.6.0?w=1

• Added Write() method that will save to a vpk file (non-chunked)
• Added AddFile() and RemoveFile() methods
• Optimized hash and signature verification to work on stream rather than reading all data into memory

1.5.0

Full Changelog: https://github.com/SteamDatabase/ValvePak/compare/1.4.0...1.5.0?w=1

• Added OptimizeEntriesForBinarySearch(StringComparison)
  • Call this before Read()
  • This sorts the entries, which allows FindEntry(string fileName) to use BinarySearch to find the entries much faster
  • This also allows FindEntry to search case insensitively if desired
  • This is experimental, and maybe removed in the future
• FindEntry(string directory, string fileName) and FindEntry(string directory, string fileName, string extension) overloads have been deprecated

1.4.0

Full Changelog: 1.3.0...1.4.0

• Added support for Counter-Strike 2 vpks
• IsSignatureValid now returns true if there no signature available

1.3.0

Full Changelog: 1.2.0...1.3.0

• IsDirVPK and HeaderSize properties are now public.
• Use the original file name when opening file stream.
• Optimized ReadEntries to be faster and allocate less.

Test on Dota 2's pak01_dir.vpk on Ryzen 3700x:

Method	Mean	Error	StdDev	Gen 0	Gen 1	Gen 2	Allocated
Old	1,106.5 ms	21.83 ms	31.31 ms	112000	30000	4000	877 MB
New	217.7 ms	4.11 ms	4.57 ms	7666	4333	1333	59 MB