QGIS » QGIS Application

1. In 3.x, if I load shape files as directories (i.e. drag and drop the containing directory into QGIS, rather than the shapefile itself), and then try to use those layers as inputs, I get an error message:

Traceback (most recent call last):
File "C:/PROGRA~1/QGIS3~1.6/apps/qgis/./python/plugins\processing\algs\qgis\Datasources2Vrt.py", line 102, in processAlgorithm
feedback=feedback)
File "C:/PROGRA~1/QGIS3~1.6/apps/qgis/./python/plugins\processing\algs\qgis\Datasources2Vrt.py", line 133, in mergeDataSources2Vrt
self.tr('Invalid datasource: {}'.format(inFile)))
_core.QgsProcessingException: Invalid datasource: //path_obfuscated/Area_2/BD34_0109|layername=BD34_0109

Execution failed after 0.10 seconds

2. If two of the input layers have the same name and I create a "unioned" VRT using 3.x the vrt contains one of them twice and omits the other one. 2.18.x correctly creates a vrt containing both.

3. There is another buglet that isn't a regression as 2.18.x did not support loading the output file after creating it: run the algorithm with 'create "unioned" VRT' unchecked and "open output file after running algorithm" checked, and only one layer in the output VRT will be loaded. However, the VRT was actually created correctly (drag and drop the VRT into QGIS and you will get the dialog to select which layers to load).