Bug Title | URL issues.qgis.org (if reported) | URL Commit (Github) | 3.4 backport commit (GitHub) -- | -- | -- | -- [postgis] Fix creation of new Z/M enabled, curved geometry type layers | N/A | Direct commit | Direct commit [categorized] Fix blank layers when using categorized renderer | #21188 | Direct commit | N/A Fix invalid data source message is always shown after dragging and dropping vector layers to QGIS window | N/A | Direct commit | N/A [processing] Buffer algorithm should always export multipolygon layers | #21191 | Direct commit | Direct commit [processing][gdal] Fix polygonize field name is ignored | N/A | Direct commit | Direct commit [processing] Allow matrix parameters to be correctly set for model child algorithms | #20914 | Direct commit | Direct commit [processing][gdal] Ensure that GDAL algs output the CORRECT generated filename for outputs | N/A | Direct commit | Direct commit [processing][gdal] Fix incorrect definition of gdal_warp extra_param parameter | N/A | Direct commit | N/A Allow for exact calculation of symbol sizes with mixed layer units | #21143 | Direct commit | Direct commit Fix hang when WMS credentials requested | #20826 | Direct commit | Direct commit Fix misc deadlocks/crashes in network requests, especially when SSL errors or timeouts occur | Multiple | Multiple | N/A -- too intrusive [processing][saga] Fix definition of Multiple regression points/grids alg | #21146 | Direct commit | Direct commit [processing] do not show geometryless layers in extent selector | #21129 | Direct commit | Direct commit [layouts] Add checkbox to disable raster tiling for PDF/SVG exports | #19500 | Direct commit | N/A -- too intrusive Fix empty strings in proxy exclude list results in proxy being skippe\d for ALL hosts | #20213 | Direct commit | Direct commit Avoid project being marked dirty as soon as its opened | N/A | Direct commit | N/A Fix loss of project when saving to QGZ format and path contains non-ascii chars | #19567 | Direct commit | Direct commit Fix evaluation of data defined properties for subsymbols of subsymbols | #18384 | Direct commit | Direct commit Fix shortest path algorithm can "shortcut" when using network in geographic coordinates | #20997 | Direct commit | Direct commit Fix project loading task never completes when project has embedded layers | #21012 | Direct commit | Direct commit