Hello and apologies for cross-posting; This morning (Pacific daylight time) my automated Ubuntu 25.10 apt upgrade to QGIS 4.0 failed with the following two issues:
Title package python3-qgis 1:3.44.7+43questing [origin: QGIS project] failed to install/upgrade: ErrorMessage trying to overwrite '/usr/share/qgis/python/qsci_apis/PyQGIS.api' which is also in package python3-qgis-common (1:3.44.7+43questing) and Title package qgis-providers 1:3.44.7+43questing [origin: QGIS project] failed to install/upgrade: ErrorMessage trying to overwrite '/usr/lib/qgis/plugins/libauthmethod_oauth2.so' which is also in package qgis (1:3.44.7+43questing) I did not look deeply into the cause for this (as a wild guess, something about the apt configuration), but I did determine: 1. a way to avoid it; 2. a way to work around it once not avoided. In terms of avoiding it: 1. once computer is booted and running and BEFORE running daily / weekly software updates / upgrades 2. uninstall qgis 3.44 3. use apt autoclean && apt autoremove -f to remove all 3.44 dependencies 4. run daily / weekly software updates / upgrades 5. install qgis 4.0 If, like me, you ran your daily / weekly updates / upgrades and the upgrade broke, here is what worked for me: 1. uninstall qgis 3.44 and qgis 4.0 2. use apt autoclean && autoremove -f to remove all 3.44 dependencies 3. re-run daily / weekly software updates / upgrades 4. install qgis 4.0 -- Chris Hermansen · clhermansen "at" gmail "dot" com C'est ma façon de parler.
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