debian/changelog

+gdal (2.3.0+dfsg-1~exp1) experimental; urgency=medium
+
+  * New upstream release.
+  * Update watch file for final releases.
+
+ -- Bas Couwenberg <sebastic@debian.org>  Fri, 11 May 2018 12:36:56 +0200
+
 gdal (2.3.0~rc1+dfsg-1~exp2) experimental; urgency=medium
 
   * Drop ancient X-Python3-Version field.

debian/watch

@@ -3,5 +3,5 @@ opts=\
 dversionmangle=s/\+(debian|dfsg|ds|deb)\d*$//,\
 uversionmangle=s/(\d)[_\.\-\+]?((RC|rc|pre|dev|beta|alpha)\d*)$/$1~$2/;s/RC/rc/,\
 repacksuffix=+dfsg \
-https://download.osgeo.org/gdal/2.3.0/ \
+https://trac.osgeo.org/gdal/wiki/DownloadSource \
 (?:|.*/)gdal(?:[_\-]v?|)(\d\S*)\.(?:tar\.xz|txz|tar\.bz2|tbz2|tar\.gz|tgz)