Current versions of plugins in May 2023: Simple Auctions v2.1.1, Lottery v2.1.10, Lottery Pick Number v2.4.2, Group Buy Deals v1.2.0, Simple Bulk Discounts v1.0.11, Simple Storewide Sale v1.1.8.
Before updating make backup (just in case) and read changelog to see what’s updated in new plugin release and decide if you need to update.