Issues

• geosop silently does nothing if passed HEXWKB in a .wkt file

  libgeos/geos#1552 · Filter by author strk opened on Oct 2, 2026

• Z is not interpolated when PolygonZ is split by curve

  Bug
  libgeos/geos#1541 · Filter by author gacarrillor opened on Sep 29, 2026
  3

• RelateOp fails to report interior-interior intersection

  Bug
  libgeos/geos#1540 · Filter by author strk opened on Sep 29, 2026

• Variant analysis: 1 unfixed sibling safety gap in geos

  libgeos/geos#1537 · Filter by author x4evexnol opened on Sep 28, 2026

• Fixed-grid snap rounding at 14 significant digits self-crosses valid triangles

  libgeos/geos#1535 · Filter by author d-hage opened on Sep 23, 2026

• geos_developer_cxx_flags gates CRT deprecation suppression on MSVC, not on the actual CRT in use

  libgeos/geos#1528 · Filter by author nyoma-diamond opened on Sep 11, 2026

• CoverageCleaner merges adjacent polygons when snapping distance is zero

  libgeos/geos#1525 · Filter by author d-hage opened on Sep 10, 2026

• Overlay silently wrong when an operand has a zero-width collinear interior ring

  libgeos/geos#1523 · Filter by author d-hage opened on Sep 10, 2026

• Update the nlohmann/json header to version 3.12

  libgeos/geos#1521 · Filter by author karen-nix opened on Sep 9, 2026

• geos_cxx_flags leaks MSVC-only /fp:precise to every consumer, breaking cross-compilation from MSVC-built GEOS

  libgeos/geos#1517 · Filter by author nyoma-diamond opened on Sep 8, 2026

• TopologyPreservingSimplify: stack overflow on a closed LineString whose vertices are equidistant from the section chord

  Bug
  libgeos/geos#1515 · Filter by author KristianDamPedersen opened on Sep 3, 2026
  

• GeometrySplitter fails to split very narrow polygon

  libgeos/geos#1508 · Filter by author dbaston opened on Aug 28, 2026
  1

• MakeValid on a MultiPolygon costs up to 55x the identical GeometryCollection

  libgeos/geos#1504 · Filter by author bkeepers opened on Aug 9, 2026
  1

• CoverageValidator rebuilds every adjacent polygon's indexes once per target

  libgeos/geos#1503 · Filter by author bkeepers opened on Aug 9, 2026
  3

• Geometry Splitter: splitting polygon with line adds area outside of original polygon

  Bug
  libgeos/geos#1495 · Filter by author jorisvandenbossche opened on Jul 29, 2026
  1

• Geometry Splitter with splitting on self-intersecting end-point of a line

  libgeos/geos#1494 · Filter by author jorisvandenbossche opened on Jul 29, 2026
  3

• Floating point exceptions (FE_INVALID) on MacOS

  libgeos/geos#1492 · Filter by author jorisvandenbossche opened on Jul 28, 2026

• Splitting a MultiLineString with a disjoint LineString changes the base geometry type

  libgeos/geos#1482 · Filter by author gacarrillor opened on Jul 16, 2026
  6

  

• Method to add vertices to a polygon

  Enhancement
  libgeos/geos#1481 · Filter by author dbaston opened on Jul 16, 2026
  1

• CleanCoverage snapping snaps inside the polygons... leading to multipolygons

  libgeos/geos#1476 · Filter by author theroggy opened on Jul 9, 2026
  1

• OffsetCurve returns MultiLineString for simple LineString input

  libgeos/geos#1444 · Filter by author pramsey opened on Jun 11, 2026

• False positive answer from GEOSCoordSeq_isCCW

  libgeos/geos#1425 · Filter by author strk opened on Apr 13, 2026
  10

• Prototypes with no arguments should be declared(void)

  libgeos/geos#1404 · Filter by author pramsey opened on Mar 20, 2026

• Mitre join erase holes when closing them

  libgeos/geos#1403 · Filter by author PetitMote opened on Mar 20, 2026
  1

• Document the fate of M coordinates

  M
  libgeos/geos#1387 · Filter by author jidanni opened on Mar 5, 2026
  1