GRASS GIS 7:

See the **[wiki:Release list of releases]** on the main trac Wiki page for an overview.

 * [wiki:Grass7/DisplayLib Display architecture in GRASS 7]
 * [wiki:Grass7/RasterLib Raster library in GRASS 7]
  * For function name changes from GRASS 6 to GRASS 7, see [wiki:Grass7/RasterLib/ListOfFunctions]
 * [wiki:Grass7/VectorLib Vector library in GRASS 7]
  * [wiki:Grass7/VectorLib/OGRInterface GRASS-OGR data provider]
  * [wiki:Grass7/VectorLib/PostGISInterface GRASS-PostGIS data provider]
 * [wiki:Grass7/ImageryLib Imagery library and modules in GRASS 7]
 * [wiki:Grass7/OpenGLLib OpenGL library in GRASS 7]
 * [wiki:Grass7/MetadataSupport Metadata support in GRASS 7]
 * [wiki:wxGUIDevelopment wxGUI development overview in GRASS 7]
 * [wiki:MessageStandardization User message standardization]: formatting, standard phrases, i18N etc.

**Migrating from GRASS GIS 6 to version 7.x?**
 * see [wiki:Grass7/NewFeatures#Optionschanges here] for changes in parameter names and changed flags
 * see [wiki:Grass7/NewFeatures#Replacedandremovedmodules here] for removed modules and renamed modules
 * see [wiki:Grass7/NewFeatures#Optionschanges here] for renamed options

**Upgrading GRASS database**
 * [https://grasswiki.osgeo.org/wiki/Upgrading_GRASS_database Upgrading GRASS database]