Fixed for me by setting Keyboard Layout Options > Key to choose 3rd level > Right Win and then installing Alexey Ten's patched version of xkb-data from here: https://bugs.launchpad.net/ubuntu/+source/xkeyboard-config/+bug/408397
Fixed for me by setting Keyboard Layout Options > Key to choose 3rd level > Right Win and then installing Alexey Ten's patched version of xkb-data from here: /bugs.launchpad .net/ubuntu/ +source/ xkeyboard- config/ +bug/408397
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