2025-08-xx

- New things:
  - Add clustering functions to C API (GH-1154, Dan Baston)
  - Ported LineDissolver (Paul Ramsey)
  - Ported CoverageCleaner (Paul Ramsey)
  - Add GEOSGridIntersectionFractions to C API (GH-1295, Dan Baston)
  - Add functions to interrupt processing in a specific thread/context (GH-803, Dan Baston)
  - Add "geos-targets.cmake" to build tree to allow building other software against
    GEOS build without installing first (GH-1269, Dan Baston)
  - Add GEOSCoordSeq_hasZ, GEOSCoordSeq_hasM (GH-1256, Aurele Ferotin)
  - Add GEOSCoordSeq_createWithDimensions, GEOSCoordSeq_setM, GEOSCoordSeq_getM (GH-1246, Dan Baston)
  - Add GEOSGeoJSONWriter_setOutputDimension (GH-1260, Aurele Ferotin)
  - Add GEOSGeom_transformXYZ (GH-1157, Aurele Ferotin)
  - Add GEOSisSimpleDetail (GH-1296, Dan Baston)

- Breaking Changes:
  - C++17 is now required (GH-1144)
  - Stricter WKT parsing (GH-1241, @freemine)
  - GEOSCoordSeq_setOrdinate returns an error if the sequence does not have the specified ordinate (GH-1245, Dan Baston)

- Fixes/Improvements:
  - Fix ConcaveHullOfPolygons nested shell handling (GH-1169, Martin Davis)
  - Fix RelateNG for computing IM for empty-nonempty cases (Martin Davis)
  - Fix TopologyPreservingSimplifier/TaggedLineString to avoid jumping components (JTS-1096, Martin Davis)
  - Fix WKTWriter for small precisions and with trim enabled (GH-1199, Mike Taves)
  - Fix BufferOp to increase length of segments removed by heuristic (GH-1200, Martin Davis)
  - Improve RelateNG performance for A/L cases in prepared predicates (GH-1201, Martin Davis)
  - Improve OffsetCurve to handle mitre joins for polygons (Martin Davis)
  - Fix inscribed circle initialization (GH-1225, Benoit Maurin)
  - Fix overlay heuristic for GeometryCollections with empty elements (GH-1229, Martin Davis)
  - Add ring buffer hole removal heuristic (GH-1233, Martin Davis)
  - Fix buffer element erosion for negative distance and remove overlay deps (GH-1239, Martin Davis)
  - Fix OverlayNG coordinate dimension handling for EMPTY geometries (GH-1258, Martin Davis)
  - Fix DepthSegment comparison logic (really this time) (GH-1266, Martin Davis)
  - Change CoverageGapFinder to return polygons (Martin Davis)
  - Update DiscreteFrechetDistance to new algorithm (GH-1274, Paul Ramsey)

