Issues

• FR: postgis: make the datasource init-time connection close (fork safety) configurable

  input.postgis
  Feature

  mapnik/mapnik#4587 · Filter by author JaylanChen opened on Sep 17, 2026
  

• GeoTIFF renders with artifacts

  mapnik/mapnik#4579 · Filter by author wanghanGiser opened on Sep 5, 2026

• Strategies to implement masking without triggering unnecessary rasterisation / complexity

  compositingrenderer.aggrenderer.cairo
  Feature

  mapnik/mapnik#4566 · Filter by author artemp opened on Jun 21, 2026
  7

  

• ScriptRun resolution bug

  mapnik/mapnik#4564 · Filter by author ramSeraph opened on Jun 19, 2026
  1

  

• Convoluted SVG from mapnik 4

  compositingrenderer.cairosvg
  Feature

  mapnik/mapnik#4563 · Filter by author dch0ph opened on Jun 9, 2026
  13

  

• tiles.input - incorrect handling of un-compressed VTs

  buginput.tiles
  mapnik/mapnik#4559 · Filter by author artemp opened on May 18, 2026
  1

  

• Font Rendering Issues with Bracket Layers

  bugharfbuzz
  Bug

  mapnik/mapnik#4555 · Filter by author artemp opened on May 8, 2026
  2

  

• [RFC] revert bumped dependencies from 4.0.5 release - rethink dependency/release/version practices for transient dependencies in optional components

  mapnik/mapnik#4548 · Filter by author drawks opened on Dec 30, 2025
  2

  

• [Bug] Excessive memory allocation in dbf_file::read_header leads to crash

  mapnik/mapnik#4544 · Filter by author oneafter opened on Dec 19, 2025
  

• [Bug] Heap-buffer-overflow in mapnik::dbf_file::string_value within Shapefile plugin

  mapnik/mapnik#4543 · Filter by author oneafter opened on Dec 19, 2025
  

• libmapnik.so with unmangled names for foreign function calls

  mapnik/mapnik#4541 · Filter by author pelusanchez opened on Nov 27, 2025

• Issue: Support for generating vector tiles in non-Web Mercator tile schemes (EPSG:4326, EPSG:4490) using Mapnik input plugin and mapnik-vector-tile

  mapnik/mapnik#4538 · Filter by author vlv-squid opened on Nov 10, 2025
  3

• Mapnik misses proj

  mapnik/mapnik#4534 · Filter by author daryasinilo opened on Oct 31, 2025
  18

  

• Support for SVG <text> elements and inquiry about SVG rendering library

  svg
  Feature

  mapnik/mapnik#4529 · Filter by author vlv-squid opened on Oct 20, 2025
  6

  

• Install failed at ./configure on Redhat

  mapnik/mapnik#4527 · Filter by author dev-oups opened on Sep 30, 2025
  3

  

• Mapnik consumes lots of RAM

  mapnik/mapnik#4522 · Filter by author zdila opened on Sep 14, 2025
  2

  

• PostGIS datasource: optimize DB connection handling

  mapnik/mapnik#4520 · Filter by author zdila opened on Sep 9, 2025
  1

  

• PostGIS datasource: try to optimize startup time

  mapnik/mapnik#4519 · Filter by author zdila opened on Sep 9, 2025

• could not initialize reader for ... (raster type image) [Mapnik 4.0.2 on Windows]

  mapnik/mapnik#4482 · Filter by author hunbalazs opened on Nov 14, 2024
  1

• cmake --install . error

  mapnik/mapnik#4474 · Filter by author lekshmigvarrier opened on Sep 26, 2024

• FR: allow loading of styles with missing layer data files

  mapnik/mapnik#4463 · Filter by author hholzgra opened on Jun 17, 2024
  1

• Proposal: new logging and formatting

  c++17feature
  mapnik/mapnik#4457 · Filter by author mathisloge opened on May 21, 2024
  2

• Text not rendered correctly in visual-tests

  mapnik/mapnik#4454 · Filter by author mathisloge opened on May 18, 2024
  4

• mapnik On Window10

  mapnik/mapnik#4436 · Filter by author yunxingluoyun opened on Mar 29, 2024

• make failed in ubuntu 23.04 (with quick and dirty fix)

  mapnik/mapnik#4434 · Filter by author paapu88 opened on Mar 8, 2024
  1