I've made the Plasma release schedule for 2019 https://community.kde.org/Schedules/Plasma_5
Plasma 5.15 (using Frameworks 5.54) beta is Jan 17th and final Feb 12th. Plasma 5.16.0 June 11 Plasma 5.17.0 Oct 15 It's in Phabricator https://phabricator.kde.org/calendar/query/month/2018/11/ and my Google calendar https://calendar.google.com/calendar/embed?src=031gkgqg1hjf8lcmj0em1d2sj8%40group.calendar.google.com&ctz=Europe%2FLondon Let me know of any issues Jonathan
