Release 21.08.0:
core:
* Add API to allow addition and modification of outlines into a PDF
* Use additional samples to test for constant parts of an axial gradient
* forms: Create fallback fonts for some well known font names
* Support reading the PDF Version from the Catalog
* Fix XRef::copy when there are modified objects
* Take into account that Date string may be in unicode
* JBIG2Stream: Fix regression in "Do not consider a size-0 to be an error"
* Replace a local bubble sort implementation by std::sort
* Fix issues with malformed files
build system:
* Better error message when libjpeg is not found
* Better error messages when libopenjpeg2 is not found
qt5/qt6:
* Document that a document has to outlive its pages
* Make getPdfVersion return a dedicated version object
glib:
* mimick TextSelectionDumper logic change for spaceAfter
Exp-run by: antoine
PR: 257539
