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To avoid crashs when opening PDF's, and hangout on exit install mendeleydesktop-bundled which packages Qt provided by the upstream.

If setting QT_QPA_PLATFORM=wayland system-wide for other applications, mendeleydesktop will fail to launch because the Qt shipped in mendeleydesktop-bundled doesn't contain wayland QPA. As it only ships xcb QPA, I'm proposing patching mendeleydesktop-bundled's bin/mendeleydesktop to unset QT_QPA_PLATFORM or force QT_QPA_PLATFORM=xcb before launching.

In the latest version, I am not able to open documents within mendeley. A pop up says "Unable to open PDF - it may be". I am nonetheless able to open documents externally.

Edit: Nevermind. The locale of my system was not setup correctly. Works fine now.

Just use mendeleydesktop-bundled

@akstrfn Anyone news about the @David01's error? I have the same.

I am not going to maintain this package anymore since I am switching to Zotero.

@David01 I'm busy this week so I'll try to fix the problem during the weekend.

@akstrfn I have added export LD_LIBRARY_PATH=/opt/mendeleydesktop/lib/qt to ~/.bashrc and sourced it. No successful results:

[david@david-pc ~]$ mendeleydesktop 
qt5ct: using qt5ct plugin
QFSFileEngine::open: No file name specified
Failed to run mendeley:// link handler installer "/opt/mendeleydesktop/lib/mendeleydesktop/libexec/install-mendeley-link-handler.sh"
/opt/mendeleydesktop/lib/mendeleydesktop/libexec/QtWebEngineProcess --type=zygote --webengine-schemes=qrc:sLV --lang=en-US: symbol lookup error: /opt/mendeleydesktop/lib/mendeleydesktop/libexec/QtWebEngineProcess --type=zygote --webengine-schemes=qrc:sLV --lang=en-US: undefined symbol: _ZN7content20localtime_r_overrideEPKlP2tm, version Qt_5
/usr/bin/mendeleydesktop: line 4: 21790 Trace/breakpoint trap   (core dumped) /opt/mendeleydesktop/lib/mendeleydesktop/libexec/mendeleydesktop.x86_64 "$@"

I don't know if I upgraded the system or did something, but suddenly I couldn't launch Mendeley Desktop. Some issues with the QT library.

In order to use Mendeley again, I have to manually set the runtime QT5 library path to the one included in this bundle, i.e.,

$ export LD_LIBRARY_PATH=/opt/mendeleydesktop/lib/qt

But I don't recall I had to do manually set the path before.

After the latest update, mendeleydektop doesn't work:

Running mendeleydesktop on the terminal yields:

qt5ct: using qt5ct plugin
QFSFileEngine::open: No file name specified
Failed to run mendeley:// link handler installer "/opt/mendeleydesktop/lib/mendeleydesktop/libexec/install-mendeley-link-handler.sh"
/opt/mendeleydesktop/lib/mendeleydesktop/libexec/QtWebEngineProcess --type=zygote --webengine-schemes=qrc:sLV --lang=en-US: symbol lookup error: /opt/mendeleydesktop/lib/mendeleydesktop/libexec/QtWebEngineProcess --type=zygote --webengine-schemes=qrc:sLV --lang=en-US: undefined symbol: _ZN7content20localtime_r_overrideEPKlP2tm, version Qt_5
/usr/bin/mendeleydesktop: line 4:  1642 Trace/breakpoint trap   (core dumped) /opt/mendeleydesktop/lib/mendeleydesktop/libexec/mendeleydesktop.x86_64 "$@"

It doesn't quit properly. When the GUI closes, the process keeps running and its CPU usage flies to 100%. There is a 1.19.5 version released by the upstream and they say some bugs are fixed. Any update plan?