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update for 8.6.6 release [build_translations] (#1109)
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‎conf.py‎

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# The short X.Y version.
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version = '8.6'
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# The full version, including alpha/beta/rc tags.
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release = '8.6.5'
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release = '8.6.6'
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# The language for content autogenerated by Sphinx. Refer to documentation
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# for a list of supported languages.
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#language = None

‎en/MIGRATION_GUIDE.txt‎

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MapServer Migration Guide
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*****************************************************************************
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:Last Updated: 2026-07-15
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:Last Updated: 2026-09-06
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.. contents:: Table of Contents
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:depth: 2
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MapServer 8.4 to 8.6 Migration
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==============================
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- The 8.6.6 release includes fixes for six vulnerabilities, see the advisories:
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- `WCS 2.0 support <https://github.com/MapServer/MapServer/security/advisories/GHSA-6jr5-rc9c-p3cj>`__ advisory
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- `CGI/FastCGI with SMOOTHSIA <https://github.com/MapServer/MapServer/security/advisories/GHSA-33h3-f4q2-pq5q>`__ advisory
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- `WMS Filter <https://github.com/MapServer/MapServer/security/advisories/GHSA-5fx4-vjp9-863f>`__ advisory
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- `WMS with interpolation layers <https://github.com/MapServer/MapServer/security/advisories/GHSA-59gr-4vvx-5f56>`__ advisory
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- `FlatGeobuf support <https://github.com/MapServer/MapServer/security/advisories/GHSA-5v7w-325g-gpr9>`__ advisory
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- `WMS error image <https://github.com/MapServer/MapServer/security/advisories/GHSA-qcjf-q672-q63w>`__ advisory
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.. note::
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For those leveraging an older `librsvg` version, the 8.6.6 release fixes a problem
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of SVG scaling that had existed since the 8.6.0 release (see `#7583 <https://github.com/MapServer/MapServer/pull/7583>`__).
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- The 8.6.5 release includes fixes for six vulnerabilities, see the advisories:
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- `OGCAPI Features support <https://github.com/MapServer/MapServer/security/advisories/GHSA-288j-mhpj-gmmr>`__ advisory

‎en/announcements/announcements_archive.txt‎

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MapServer Announcement Archives
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*****************************************************************************
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**2026-09-06 - MapServer 8.6.6 is released**
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.. important::
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Security release available
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The security release of MapServer 8.6.6 has been issued in order to fix
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six vulnerabilities. See the :ref:`changelog <changelog-8-6-6>`
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for the list of changes.
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You may also review the security advisories for this release:
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1. `WCS 2.0 support <https://github.com/MapServer/MapServer/security/advisories/GHSA-6jr5-rc9c-p3cj>`__ advisory
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2. `CGI/FastCGI with SMOOTHSIA <https://github.com/MapServer/MapServer/security/advisories/GHSA-33h3-f4q2-pq5q>`__ advisory
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3. `WMS Filter <https://github.com/MapServer/MapServer/security/advisories/GHSA-5fx4-vjp9-863f>`__ advisory
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4. `WMS with interpolation layers <https://github.com/MapServer/MapServer/security/advisories/GHSA-59gr-4vvx-5f56>`__ advisory
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5. `FlatGeobuf support <https://github.com/MapServer/MapServer/security/advisories/GHSA-5v7w-325g-gpr9>`__ advisory
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6. `WMS error image <https://github.com/MapServer/MapServer/security/advisories/GHSA-qcjf-q672-q63w>`__ advisory
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You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
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As security for the 7.6 branch has ended, and branches 8.4, 8.2 & 8.0 are not supported,
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all users are strongly encouraged to upgrade to the MapServer 8.6.6 release (see the
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:ref:`Migration Guide <migration>`).
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Head to :ref:`download` to obtain a copy.
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**2026-07-10 - MapServer 8.6.5 is released**
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.. important::

‎en/development/changelog/changelog-8-6.txt‎

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The summary of major changes for this release can be found in the `HISTORY.md <https://github.com/MapServer/MapServer/blob/branch-8-6/HISTORY.md>`__
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file from the source directory.
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.. _changelog-8-6-6:
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Changes from 8.6.5 to 8.6.6
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===========================
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.. important::
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Security release
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* mapcontext: fix out-of-bounds read on short BoundingBox SRS ( `#7644 <https://github.com/mapserver/mapserver/issues/7644>`__ ) (github-actions[bot]) : `548180a <https://github.com/mapserver/mapserver/commit/548180af3063ceaa74004e8394c82772d5fa7c2a>`__
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* maperror: size the error image within MAXSIZE (GHSA-qcjf-q672-q63w) ( `#7643 <https://github.com/mapserver/mapserver/issues/7643>`__ ) (github-actions[bot]) : `bf71dcf <https://github.com/mapserver/mapserver/commit/bf71dcf46fa66c544f338614eb2187a75105b504>`__
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* kml: use snprintf when formatting coordinates, extents and widths ( `#7639 <https://github.com/mapserver/mapserver/issues/7639>`__ ) (github-actions[bot]) : `c150388 <https://github.com/mapserver/mapserver/commit/c1503886cfebc4be18accec43ecf4381ed1e0238>`__
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* CI: upgrade PCRE2 to 10.48 release ( `#7641 <https://github.com/mapserver/mapserver/issues/7641>`__ ) (github-actions[bot]) : `33e9610 <https://github.com/mapserver/mapserver/commit/33e961049cb416912ee4c88ddb874d07ca73d61f>`__
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* Fix memleak in mapogcsld ( `#7638 <https://github.com/mapserver/mapserver/issues/7638>`__ ) (github-actions[bot]) : `a3c3f68 <https://github.com/mapserver/mapserver/commit/a3c3f682e12d87c2d241ab67f32bdc6772c45df2>`__
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* mappool.c: only raise connectionMax after a successful realloc (fixes `#7614 <https://github.com/mapserver/mapserver/issues/7614>`__ ) ( `#7634 <https://github.com/mapserver/mapserver/issues/7634>`__ ) (github-actions[bot]) : `e5b4335 <https://github.com/mapserver/mapserver/commit/e5b4335b84ad59591d921c164383d0388c82039e>`__
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* Handle NaN coordinates in WFS geometry filters ( `#7633 <https://github.com/mapserver/mapserver/issues/7633>`__ ) (github-actions[bot]) : `2c7dd03 <https://github.com/mapserver/mapserver/commit/2c7dd03c7ccc078d26596175b2018172e58c3f20>`__
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* Restore the missing first line of the licence grant in four headers ( `#7632 <https://github.com/mapserver/mapserver/issues/7632>`__ ) (github-actions[bot]) : `a04a50e <https://github.com/mapserver/mapserver/commit/a04a50ee28dd7417435216278e935a44368cd7e1>`__
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* msDBFOpenVirtualFile(): validate field extents against record length ( `#7629 <https://github.com/mapserver/mapserver/issues/7629>`__ ) (github-actions[bot]) : `0f2c4d8 <https://github.com/mapserver/mapserver/commit/0f2c4d8097cc90589473df0e78def9dd4875b7f9>`__
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* mapogcfilter: limit filter operation count ( `#7621 <https://github.com/mapserver/mapserver/issues/7621>`__ ) (github-actions[bot]) : `509ad65 <https://github.com/mapserver/mapserver/commit/509ad65e61d5c238a67a3b2763d766e657bc5243>`__
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* Fix heap out-of-bounds write in interpolation layers (GHSA-59gr-4vvx-5f56) ( `#7620 <https://github.com/mapserver/mapserver/issues/7620>`__ ) (github-actions[bot]) : `c3e81ac <https://github.com/mapserver/mapserver/commit/c3e81ac9c0c6592f8a8b050b66f1d456c751c7d4>`__
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* bound WKB point reads to the Z/M byte stride in mappostgis ( `#7619 <https://github.com/mapserver/mapserver/issues/7619>`__ ) (github-actions[bot]) : `988fbf0 <https://github.com/mapserver/mapserver/commit/988fbf06297c9042e527a18c6e956a907eade427>`__
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* Fix integer overflows in WCS parsing ( `#7628 <https://github.com/mapserver/mapserver/issues/7628>`__ ) (github-actions[bot]) : `f1a9091 <https://github.com/mapserver/mapserver/commit/f1a9091e10f077f4fbb5af9148d07f2c16823bca>`__
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* Update FlatGeobuf from upstream ( `#7627 <https://github.com/mapserver/mapserver/issues/7627>`__ ) (github-actions[bot]) : `3ffa8c1 <https://github.com/mapserver/mapserver/commit/3ffa8c1df442e2544f1f688062dea7fe42283ce6>`__
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* mapproject.c: check msProjectCreateReprojector() result in msProjectRect() (fixes `#7613 <https://github.com/mapserver/mapserver/issues/7613>`__ ) ( `#7626 <https://github.com/mapserver/mapserver/issues/7626>`__ ) (github-actions[bot]) : `b437b13 <https://github.com/mapserver/mapserver/commit/b437b13a5353d8b3889da03917d32dc85e7b9f8d>`__
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* mapobject.c: clear cached reprojectors in msRemoveLayer() (fixes `#7611 <https://github.com/mapserver/mapserver/issues/7611>`__ ) ( `#7618 <https://github.com/mapserver/mapserver/issues/7618>`__ ) (github-actions[bot]) : `0368328 <https://github.com/mapserver/mapserver/commit/036832880af49e1243650306d524cb3b533f4dee>`__
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* Add guard against empty lines to fix oss-fuzzer 551099259 ( `#7617 <https://github.com/mapserver/mapserver/issues/7617>`__ ) (github-actions[bot]) : `c6954a3 <https://github.com/mapserver/mapserver/commit/c6954a3fd73a5872c9062165eff6cd01deed2acf>`__
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* Fix integer overflow oss-fuzz 4545217852932096 ( `#7610 <https://github.com/mapserver/mapserver/issues/7610>`__ ) (github-actions[bot]) : `30831d6 <https://github.com/mapserver/mapserver/commit/30831d61210717c2d93dd85b01258e42b44f7734>`__
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* Fix memory leak in mapows and mapwcs ( `#7601 <https://github.com/mapserver/mapserver/issues/7601>`__ ) (github-actions[bot]) : `df90df7 <https://github.com/mapserver/mapserver/commit/df90df7b3f664bfc6aa9e04db0d2a3e89f195630>`__
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* fix out-of-bounds read in SLD arithmetic operator parsing ( `#7598 <https://github.com/mapserver/mapserver/issues/7598>`__ ) (github-actions[bot]) : `8ef661d <https://github.com/mapserver/mapserver/commit/8ef661dccc2367a0593ed3501193f8847170208b>`__
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* mapcairo.c: avoid double scaling of SVG symbols (fixes: `#7430 <https://github.com/mapserver/mapserver/issues/7430>`__ ) ( `#7595 <https://github.com/mapserver/mapserver/issues/7595>`__ ) (github-actions[bot]) : `fb438a8 <https://github.com/mapserver/mapserver/commit/fb438a846e806b6ca73334480d9fcf30ff8f8d7e>`__
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* bound wms exception response copy to result_size ( `#7592 <https://github.com/mapserver/mapserver/issues/7592>`__ ) (github-actions[bot]) : `18171bd <https://github.com/mapserver/mapserver/commit/18171bd8d31abcb6875d8a920f51371841d087ea>`__
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* Fix WCS 2.0 GetCoverage DoS from non-positive RESOLUTION (GHSA-6jr5-rc9c-p3cj) ( `#7589 <https://github.com/mapserver/mapserver/issues/7589>`__ ) (github-actions[bot]) : `244b6b1 <https://github.com/mapserver/mapserver/commit/244b6b17e57b924681e0eb71a55d0eb6e657b091>`__
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* size msClipPolygonRect buffer for 3 emitted points per edge ( `#7588 <https://github.com/mapserver/mapserver/issues/7588>`__ ) (github-actions[bot]) : `3d6ef77 <https://github.com/mapserver/mapserver/commit/3d6ef77735c61fe43dc23a9266eb9db0dfe92ce1>`__
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* Fix SMOOTHSIA point-shape DoS in CGI query path (GHSA-33h3-f4q2-pq5q) ( `#7576 <https://github.com/mapserver/mapserver/issues/7576>`__ ) (Zhen Yan) : `5f314cf <https://github.com/mapserver/mapserver/commit/5f314cf8e3ad0e9f54205e6044324ae94a6ce886>`__
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* Remove any tolerance set on a layer for feature queries ( `#7587 <https://github.com/mapserver/mapserver/issues/7587>`__ ) (Seth G) : `a6e6fe9 <https://github.com/mapserver/mapserver/commit/a6e6fe9825f2513f764629efe25fa91cacdd4b6e>`__
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* Apply runtime substitutions before applying SLD files ( `#7586 <https://github.com/mapserver/mapserver/issues/7586>`__ ) (github-actions[bot]) : `2ae56a0 <https://github.com/mapserver/mapserver/commit/2ae56a092f7cfb122da26f43c9953e8573f91db2>`__
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* Build fixes for CMake 4.4 ( `#7580 <https://github.com/mapserver/mapserver/issues/7580>`__ ) (github-actions[bot]) : `1358bf3 <https://github.com/mapserver/mapserver/commit/1358bf39b01e198caad8f2343cd8d03522947201>`__
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‎en/download.txt‎

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* MapServer
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* **2026-07-10** MapServer-8.6.5 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.5.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.5.zip>`__ | :ref:`Changelog <changelog-8-6>`
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* **2026-09-06** MapServer-8.6.6 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.6.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.6.zip>`__ | :ref:`Changelog <changelog-8-6>`
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* **2025-09-19** MapServer-8.4.1 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.4.1.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.4.1.zip>`__ | :ref:`Changelog <changelog-8-4>`
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* **2024-09-02** MapServer-8.2.2 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.2.2.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.2.2.zip>`__ | :ref:`Changelog <changelog-8-2>`
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* **2024-06-11** MapServer-8.0.2 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.0.2.tar.gz>`__ | :ref:`Changelog <changelog-8-0>`

‎en/download_archives.txt‎

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Past Releases
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..............................................................................
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* **2026-09-06** MapServer-8.6.6 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.6.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.6.zip>`__ | :ref:`Changelog <changelog-8-6>`
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* **2026-07-10** MapServer-8.6.5 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.5.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.5.zip>`__ | :ref:`Changelog <changelog-8-6>`
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* **2026-06-01** MapServer-8.6.4 `tar.gz <https://download.osgeo.org/mapserver/mapserver-8.6.4.tar.gz>`__ | `.zip <https://download.osgeo.org/mapserver/mapserver-8.6.4.zip>`__ | :ref:`Changelog <changelog-8-6>`

‎en/include/announcements.inc‎

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**2026-09-06 - MapServer 8.6.6 is released**
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.. important::
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Security release available
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The security release of MapServer 8.6.6 has been issued in order to fix
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six vulnerabilities. See the :ref:`changelog <changelog-8-6-6>`
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for the list of changes.
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You may also review the security advisories for this release:
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1. `WCS 2.0 support <https://github.com/MapServer/MapServer/security/advisories/GHSA-6jr5-rc9c-p3cj>`__ advisory
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2. `CGI/FastCGI with SMOOTHSIA <https://github.com/MapServer/MapServer/security/advisories/GHSA-33h3-f4q2-pq5q>`__ advisory
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3. `WMS Filter <https://github.com/MapServer/MapServer/security/advisories/GHSA-5fx4-vjp9-863f>`__ advisory
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4. `WMS with interpolation layers <https://github.com/MapServer/MapServer/security/advisories/GHSA-59gr-4vvx-5f56>`__ advisory
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5. `FlatGeobuf support <https://github.com/MapServer/MapServer/security/advisories/GHSA-5v7w-325g-gpr9>`__ advisory
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6. `WMS error image <https://github.com/MapServer/MapServer/security/advisories/GHSA-qcjf-q672-q63w>`__ advisory
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You may also review MapServer's `Security Policy <https://github.com/MapServer/MapServer/blob/main/SECURITY.md>`__.
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As security for the 7.6 branch has ended, and branches 8.4, 8.2 & 8.0 are not supported,
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all users are strongly encouraged to upgrade to the MapServer 8.6.6 release (see the
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:ref:`Migration Guide <migration>`).
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Head to :ref:`download` to obtain a copy.
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**2026-07-10 - MapServer 8.6.5 is released**
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.. important::

‎en/spelling_wordlist.dict‎

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kmz
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KMZ
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kriging
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labelCacheObj
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labelled
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srs
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SRS
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ssl
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stabilises
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stderr
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stdin
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unmerged
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unprojected
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unreferenced
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unsampled
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untiled
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uom
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