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PostGIS 2.5.6

The PostGIS Team is pleased to release PostGIS 2.5.6!


This release is a bug fix release, addressing issues found in the previous 2.5 releases.

Bug Fixes

  • 4968 Update to handle autoconf 2.71 issues
  • 4871 TopoGeometry::geometry cast returns NULL for empty TopoGeometry objects (Sandro Santilli)
  • 4757 Handle line collapse due to snap-to-existing node (Sandro Santilli)
  • 4769 Fix segfault in st_addband (Raúl Marín)
  • 4863 Update bboxes after affine/scale operations (Paul Ramsey)
  • 4326 Fix CircularPolygon area calculation (Paul Ramsey)
  • 4971 Cunit fixes for newer CUnit (Raúl Marín, Regina Obe)
  • 5069 search_path vulnerabilty during install/upgrade (Regina Obe)
  • 5086 regress cleanly (clip by box, make valid) with GEOS 3.8+. For GEOS 3.8+ use native GEOS makevalid, buildarea, clipbybox (Regina Obe)
  • 4457 Stop trying to createlang in regress plpgsql is always installed (Regina Obe)
  • 4980 Support pkg-config for pcre detection (Regina Obe)


After installing the binaries or after running pg_upgrade:


SELECT postgis_extensions_upgrade();

If you come across any issues, feel free to report via our ticket tracker or mailing list with details

View all tickets for 2.5.6 milestone.