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Protocol Buffers v3.19.6

Java

• Refactoring java full runtime to reuse sub-message builders and prepare to migrate parsing logic from parse constructor to builder.
• Move proto wireformat parsing functionality from the private "parsing constructor" to the Builder class.
• Change the Lite runtime to prefer merging from the wireformat into mutable messages rather than building up a new immutable object before merging. This way results in fewer allocations and copy operations.
• Make message-type extensions merge from wire-format instead of building up instances and merging afterwards. This has much better performance.
• Fix TextFormat parser to build up recurring (but supposedly not repeated) sub-messages directly from text rather than building a new sub-message and merging the fully formed message into the existing field.
• This release addresses a Security Advisory for Java users

Protocol Buffers v3.19.5

C++

• Reduce memory consumption of MessageSet parsing
• This release addresses a Security Advisory for C++ and Python users

• 5cba162 Updating version.json and repo version numbers to: 19.6
• b0e8e60 Refactoring Java parsing (3.19.x) (#10667)
• 30b9f88 Merge pull request #10603 from deannagarcia/3.19.x
• 8cccc0d Merge pull request #10606 from deannagarcia/buildZip19
• 0661cc4 Use local artifacts
• 184f584 Fix spelling
• 9e8d5f1 Merge pull request #10574 from deannagarcia/3.19.x
• 8b17db1 Merge pull request #10578 from protocolbuffers/3.19.x-202209141437
• b1135aa Update version.json to: 19.6-dev
• 23865cd Make release script executable
• Additional commits viewable in compare view

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