Done #4801 (Insert images into arbitrary places using memo commands).
Details see Luc's blog.
Data migration: in your
restore.py uncomment the line that loads
lino.modlib.memo.Mention objects will be
pm checkdata -f.
lino_xl.lib.working plugin now supports sub-sessions: when a user
works on two tickets at the same time (has two sessions open), and when one of
them encompasses the other, then the encompassing session automatically
subtracts the duration of the sub-session. New database field
invoicing.Item now has a meaningful
Fixed #4780. A site maintainer can now switch the
front end without changing the database structure. Plugins can now
deactivate themselves. The
lino.core.plugin.Plugin class has two new
is_active(). When a plugin is inactive, its
database models exist but otherwise almost everything, including its actors,
becomes non-existent. The
extensible plugins now deactivate
themselves in their
on_init() method when the
default_ui is not extjs.