SUMMARY STEPS TO REPRODUCE 1. I first uninstalled a prevoiusly installed okular using sudo snap remove okular 2. Then I newly installed it using snap install okular During the installation I saw this on the terminal screen: $ snap install okular okular 19.04.2 aus KDE✓ installiert $ 3. However when I ask for the version of it doing like this, I get $ /snap/bin/okular --version Qt: Session management error: Authentication Rejected, reason : None of the authentication protocols specified are supported and host-based authentication failed okular 1.7.2 $ snap list --all Name Version Rev Aufzeichnung Herausgeber Hinweise core18 20191126 1279 stable canonical✓ base,deaktiviert core18 20191212 1288 stable canonical✓ base kde-frameworks-5-core18 5.61.0 32 stable kde✓ - okular 19.04.2 63 stable kde✓ - snapd 2.42.4 5643 stable canonical✓ snapd,deaktiviert snapd 2.42.5 5754 stable canonical✓ snapd $ OBSERVED RESULT okular tells that its version is 1.7.2 The same holds if I look into Help>About Okular EXPECTED RESULT version 19.04.2 SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: KDE Frameworks 5.61.0 Qt Version: Qt 5.12.3 (kompiliert gegen 5.12.3) ADDITIONAL INFORMATION this happens on a snap installed version of okular under Xubuntu 18.04
The correct version is the one shows in the about dialog. The version used by the distribution is an unintended side effect of the way Okular is distributed.
(In reply to Luigi Toscano from comment #1) > The correct version is the one shows in the about dialog. The version used > by the distribution is an unintended side effect of the way Okular is > distributed. Thanks for the explanation. So this one is resolved.