The link in the first post has been updated with two silhouette images, suggesting that the Stinger could be the one-step version, while the Dinobots are not quite the Gen1 five - Grimlock, Slug (Slag), Strafe (Swoop), Slog (Sludge), and... Scorn (instead of Snarl).
So close, and yet not quite... so probably aren't Gen1 themed at all then.