UI settings ignored

[ncm]

Qubes OS version:

r4.0

Affected component(s):

UI in Debian VMs.

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Steps to reproduce the behavior:

Alter dconf UI configuration parameters, such as by dconf-editor, changing org/gnome/desktop/interface/gtk-key-theme, from Default to Emacs. Go to firefox or thunderbird and type in a text field.

Expected behavior:

With the gtk-key-theme setting Emacs, ctrl-A should move the cursor to the left margin.

Actual behavior:

Instead, it does a "select-all", highlighting the entire text, ignoring the setting. (Fonts and other settings are also ignored.)

Somehow Gnome-terminal and Mate-terminal are able to discover the correct settings.

General notes:

These settings work on these programs in other environments (e.g. stock Debian). Somehow, programs running in the VM do not see the settings. Although I have mate-settings-daemon installed on the template, and set to run "at startup" in the control panel, it does not run when I start up the VM or a program on the VM. Starting up mate-settings-daemon before starting firefox from the same terminal has no apparent effect.

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Related issues:

Similarly, ssh-agent is running in the VM, but ssh-add cannot see it. (This worked, in r4.0, until a recent update -- possibly when I dist-upgraded its template to unstable.)