The merge dialogs display an icon near each component indicating how component data is going to be reprojected. A red icon means that the coordinate system of a component is incomplete and is treated as the default pseudo-Mercator. A black icon means that component data is being reprojected and that the reprojection is curvilinear (and lossy). A gray icon means that component data is being shifted, scaled or swapped axes (high accuracy). No icon for vector data means that component data is not being transformed in any way. No icon for raster data means that component data might be at most shifted with the original pixel values kept intact.
The merge dialog for images reports the pixel scale and the number of pixels for the resulting image.
The merge dialog for images unchecks layers for big images on web data sources like Bing by default.
The merge dialogs set the coordinate system of the resulting component to the coordinate system of the map window by default.
There is native support for INP files (EPANET).
(Fix) Writing coordinate system to PRJ no longer fails to translate values for false easting and false northing parameters to coordinate system units.
(Fix) Writing coordinate system to PRJ no longer sometimes inserts extra commas.
Writing coordinate system to PRJ automatically cleans up names of coordinate systems from new line and similar characters.
Writing coordinate system to PRJ better matches names of datums and spheroids to their parameters. The list of known datums and spheroids for PRJ has been extended as well.
(Fix) Reading a coordinate system from TIFF correctly sets the default coordinate system in case coordinate system data cannot be parsed.
Reading geometry collection values automatically merges individual values of the same underlying type used in Manifold geometry (area, line or point, differences between subtypes like line and multiline are ignored) and returns the result of the merge, instead of returning the first non-empty individual value. The change applies to all formats which support geometry collection values, including WKB, GeoJSON, native geometry in database-specific formats, etc.
Reading geometry collection values with individual values of mixed underlying types automatically converts areas to lines and lines to points in order to return all coordinates. Example: reading a geometry collection with an area and several points will return a multipoint containing all coordinates of all individual values.
Exporting an image to BMP, ECW, JPEG, JPEG2K, PNG or TGA exports rendered pixel values according to formatting set in the Style pane. Exporting an image to TIFF always exports original pixel values. (Previously, exports were writing original pixel values if the file format supported the pixel type and rendered pixel values otherwise.)
The ODBC driver allows enclosing identifiers in double quotes, to work around a limitation in newer versions of QGIS.
(Fix) The ODBC driver correctly reports index parameters to newer versions of Access.
End of list.