Implemented enhancements: Add jacobian() to Linear model and add kwarg handling to jacobian(). #497 (DaveKirkland) Add a mean uncertainty metric #496 (sdhiscocks) Added SingleImageFileReader #492 (sgjkang4) Vectorise Jacobian calculation #491 (sdhiscocks) Information filter #467 (jmbarr) Fixed bugs: Remove unnecessary additional noise in radar fov check #483 (hpritchett-dstl) Fix multi-transition platform loop #482 (oharrald-Dstl) set dwell_center.timestamp equal to incoming timestamp if dwell_cente… #475 (alexiad1) Fix plotter metric so it doesn't fail when there are no tracks #464 (nperree-dstl) Fix deterministic use of random seed #461 (joldf) Fix figure size/scale for metrics tables #459 (sdhiscocks) CombinedNonlinearGaussianTransitionModel now inherits from NonLinearModel #452 (idorrington-dstl) Fixed an error in the angle calculations in smooth transition model maker #449 (idorrington-dstl) Handle OSError if libspatialindex fails to load for rtree dependency #448 (sdhiscocks) Documentation Updates: Update project logo #501 (sdhiscocks) Fix the GMPHD Tutorial to include the birth component #489 (ekhunter123) Add OpenSky demo #488 (hpritchett-dstl) Ensures all tracks plotted in tutorial 9 #466 (sflorence-dstl) Minor correction to video processing demo #463 (sglvladi) Add tutorial on the GMPHD filter in Stone Soup #455 (ekhunter123) Updating dependencies in README #451 (idorrington-dstl) Add note about using mixture tracker for (J)PDA in final tutorial #450 (sdhiscocks)