This version includes a number of bug fixes and improvements from the past few years and maintains backwards compatibility with 1.x versions.

Added

• CMake build support
• Unit testing with Catch2 (#147)
• Support for AABB and OBB obstacles in dtTileCache (#215, #278)
• dtTileCache supports timesliced updates (#203)
• Support for custom assertion functions (#250)
• Variant of findNearestPoly that exposes distance and isOverPoly (#448)
• dtNavMeshQuery::getPathFromDijkstraSearch gets a path from the explored nodes in a navmesh search (#211)
• A version of dtPolyQuery::queryPolygon that operates on batches of polygons rather than just 128 (#175) (Fixes #107)
• rcNew/rcDelete to match rcAlloc/rcFree (#324)
• Better error reporting and input sanitization (#179, #303)
• Better debug draw (#253, #254, #255, #256)
• Improved docstrings, documentation
• (RecastDemo) Load/Save navmesh data (#258)

Fixed

• Improved robustness, speed and accuracy of navmesh point queries (#205, #208, #228, #231, #364, #381, #560)
• Incorrect rasterization at tile borders (#476)
• Off-mesh links in tiles were sometimes added twice (#202)
• Potential heap corruption when collecting region layers (#214)
• findPath returns DT_OUT_OF_NODES appropriately (#222)
• Spans are filtered if there is just enough height (#626)
• Increased epsilon in detour common segment polygon intersection test (#612)
• Array overrun in removeVertex in DetourTileCacheBuilder (#601)
• Potential rounding error computing bounding box size in dtNavMesh::connectExtLinks (#428)
• An indexing error in updating agents in DetourCrowd (#450)
• Allocation perf issues in rcVectorBase (#467)
• Dead website links in comments
• RecastDemo bugs (#180, #184, #186, #187, #200)
• Uninitialized class member values, small memory leaks, rule-of-three violations, other minor issues

Changed

• Updated stb_image (#184)
• Updated stb_truetype (#183)

Removed

• Use of _USE_MATH_DEFINES directive (#596)

Patch release; one bug has been fixed, which would cause silent failure if too many nodes were requested and used in a dtNavMeshQuery.

• #179: Fail when too many nodes are requested

This is the first release of the Recast and Detour libraries since August 2009, containing all fixes and enhancements made since then. As you can imagine, this includes a huge number of commits, so we will forego the list of changes for this release - future releases will contain at least a summary of changes.

We have decided to use Semantic Versioning for version numbers from now onwards - beginning at 1.5.0 rather than 1.0.0 since the last old release on Google Code was 1.4.