This is a bug fix release. There are a few minor API changes. Making way for 3.2.0 work.

There are no documentation updates with this releases.

What's Changed

• Warning as error off by default by @erincatto in https://github.com/erincatto/box2d/pull/914
• functions to get and set surface material by @erincatto in https://github.com/erincatto/box2d/pull/921
• Fixed another shape distanc...

v3.1 Release Notes

API Changes

• 64-bit filter categories and masks
• 64-bit dynamic tree user data
• Renamed b2SmoothSegment to b2ChainSegment
• Cast and overlap functions modified for argument consistency
• Contact begin events now provide the manifold
• More consistent functions to make polygons
• Contact events are now disabled by default
• Replaced b2Timer with `uint64_t...

Version 3.0 is a massive update to Box2D.

Blog post: https://box2d.org/posts/2024/08/releasing-box2d-3.0/

Migration guide: https://github.com/erincatto/box2d/blob/main/docs/migration.md

What's Changed

• Update to Version 3 by @erincatto in https://github.com/erincatto/box2d/pull/769

Full Changelog: https://github.com/erincatto/box2d/compare/v2.4.2...v3.0.0

This is the final release of version 2. The next commit with be version 3.0.

This has a few bug fixes, but is mainly being created for people who want to stay on version 2.

What's Changed

• Remove unnecessary function by @erincatto in https://github.com/erincatto/box2d/pull/659
• Typo fix by @gittem01 in https://github.com/erincatto/box2d/pull/684
• Update box2d's version of Doctest to...

Changes for version 2.4.1

API Changes

• Extended distance joint to have a minimum and maximum limit.
• Removed rope joint. Use the distance joint instead.
• B2_USER_SETTINGS and b2_user_settings.h can control user data, length units, and maximum polygon vertices.
• Default user data is now uintptr_t instead of void*
• b2FixtureDef::restitutionThreshold lets you set the restitution vel...