Merge branch 'develop'

app/escriptorium/static/css/escriptorium.css

@@ -468,6 +468,7 @@ i.panel-icon {
     width: 90%;
     position: relative;
     overflow: hidden;
+    direction: ltr; /* compensate a firefox bug */
 }
 
 .panel #context-menu {

app/requirements.txt

@@ -7,7 +7,7 @@ redis==3.2.1
 uwsgi==2.0.17
 daphne==2.5.0
 channels==2.4.0
-channels-redis==3.2.0
+channels-redis>=2.4.1,<3
 django-redis==4.10.0
 psycopg2-binary==2.7.6
 django-ordered-model==3.1.1