We have the same problem here. The submit button does not work. But if we change the view (ex. month to list) the filter is applied.
The Events Calendar 4.5.5
The Events Calendar PRO 4.4.11.1
The Events Calendar : Filter Bar 4.4.2
All the latest versions
http://www.fqcc.ca/actualites/activites/mois/
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PLEASE LEAVE FOR SUPPORT
Reporting the same issue as: https://theeventscalendar.com/support/forums/topic/filter-submit-button-not-working/
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PLEASE LEAVE FOR SUPPORT
Reporting the same issue as: https://theeventscalendar.com/support/forums/topic/filter-submit-button-not-working/