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<p>For operational uses, I would say the latter is the better. For
regression test purposes, some tests might perhaps need
tweaking/skipping depending on the GDAL version. CI uses GDAL
3.4.1 for QT5 testing and 3.7.3 for QT6 testing.</p>
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<div>> Background/motivation for asking: I have tried compiling
different versions of QGIS against different versions of GDAL,
but some unit tests keep causing segmentation faults. Could a
segmentation fault be caused by a mismatch of version of a
dependent library like GDAL?<br>
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<p>Nobody can guess that. You need to provide much more details:
which test(s), stack trace when it crashes, etc.</p>
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<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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