For 2 iterations now I've noticed that the version in the library name changes without any apparent *backwards-incompatible* changes to the ABI (or indeed to the compatibility version on Mac): With both .so.24->.so.25 (16.04->16.08) and .so.25->.so.26 (16.08->16.12) I could install a symlink making the new library available under the previous filename, and keep using it with digiKam without having to rebuild that (huge) bit of software. Wouldn't it be more appropriate to use a composite versioning scheme, something like libmarblewidget.so.2.6 libmarblewidget.so.2 -> libmarblewidget.so.2.6 libmarblewidget.so -> libmarblewidget.so.2 which would allow updating Marble without updating or rebuilding 3rd party software using libmarblewidget? This would evidently require a bit more careful implementation/consideration of ABI changes. But a priori backwards compatibility should be the norm if Qt and KDE's approach of using d-pointers is followed (and it seems this is the case).
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This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!