Hi Tim, The header file in the publicly available SDK indicates which plugin API entry points are thread safe (currently a small number).
https://github.com/4d/4D-Plugin-SDK See further discussion here including input from 4D France: > Yes the 4d plugin sdk allows to build preemptive ready plugins. > see https://github.com/4d/4D-Plugin-SDK/releases/tag/v17.0.1 https://forums.4d.com/Post/FR/17981754/2/28184397 Also https://github.com/miyako/4d-plugin-migration-to-v17 John DeSoi, Ph.D. > On Jan 30, 2019, at 2:32 PM, Timothy Penner <tpen...@4d.com> wrote: > > Plugin development is not something 4D Tech Support usually handles, so I may > have missed that - in either case, the docs seem like it is not possible... ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************