Semantic issue in jbchartview when Xcode updated to 6.3 -

i have been using jbchartview in swift project , working until updated xcode version 6.3.2. gives semantic issue:

auto property synthesis not synthesize property 'datasource'; implemented superclass, use @dynamic acknowledge intention.

in jbbarchartview.h , jblinechartview.h.

what problem, , how solve it?

what version of library using?

this should fixed as version 2.8.14 via commit: d299cd6