Not reproduced with Inkscape 0.92+devel r15407 (default prefs) on Ubuntu 14.04 with 'Scale test - all'.
<off-topic>The font-size of the linked flowed text is not scaled AFAICT.</off-topic>
Not reproduced with Inkscape 0.92+devel r15407 (default prefs) on Ubuntu 14.04 with 'Scale test - all'.
<off-topic>The font-size of the linked flowed text is not scaled AFAICT.</off-topic>