If it was new or may have interest, then yes.

There is a call for participation, a program committee for that year reviews submissions, and then score in categories like framework, plasma, applications, etc. The event producer role makes final calls.

A presentation on an idea is in no way to be considered a path forward for KDE. There have been tooling languages presented at akademy that will never be part of KDE, companies like Valve talked about how they've used KDE, and public sector groups have talked about KDE as part of migration efforts.

A talk is just a talk, meant to highlight unique topics. Akademy is not a planning conference.