Sourced fromprotobuf's releases.

Protocol Buffers v3.20.3

Java

• Refactoring java full runtime to reuse sub-message builders and prepare tomigrate parsing logic from parse constructor to builder.
• Move proto wireformat parsing functionality from the private "parsingconstructor" to the Builder class.
• Change the Lite runtime to prefer merging from the wireformat into mutablemessages rather than building up a new immutable object before merging. Thisway results in fewer allocations and copy operations.
• Make message-type extensions merge from wire-format instead of building upinstances 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 andmerging the fully formed message into the existing field.
• This release addresses aSecurity Advisory for Java users

Protocol Buffers v3.20.2

C++

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

Protocol Buffers v3.20.1

PHP

• Fix building packaged PHP extension (#9727)
• Fixed composer.json to only advertise compatibility with PHP 7.0+. (#9819)

Ruby

• Disable the aarch64 build on macOS until it can be fixed. (#9816)

Other

• Fix versioning issues in 3.20.0

Protocol Buffers v3.20.1-rc1

PHP

• Fix building packaged PHP extension (#9727)

Other

• Fix versioning issues in 3.20.0

Protocol Buffers v3.20.0

2022-03-25 version 3.20.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)

Ruby

• Dropped Ruby 2.3 and 2.4 support for CI and releases. (#9311)
• Added Ruby 3.1 support for CI and releases (#9566).
• Message.decode/encode: Add recursion_limit option (#9218/#9486)
• Allocate with xrealloc()/xfree() so message allocation is visible to theRuby GC. In certain tests this leads to much lower memory usage due to morefrequent GC runs (#9586).
• Fix conversion of singleton classes in Ruby (#9342)

... (truncated)

• a4cbdd3 Updating version.json and repo version numbers to: 25.8
• 29445be Merge pull request#21880 from shaod2/py-25
• cc13b69 Remove debugging code and add EOLs
• d31100c Manually backport recursion limit enforcement to 25.x
• 88a3b90 Change pre-22 poison pill to only log once per affected message type. (#21754)
• 320eafa Weaken vulnerable gencode poison pills to warning by default.
• f584fe3 Merge branch 'protocolbuffers:25.x' into 25.x
• c710036 Update test_upb.yml to use ubuntu-22
• 9721758 Fix missing trailing newline.
• cca7b28 Update test_upb.yml to use ubuntu-22
• Additional commits viewable incompare view

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