UUIDv7 (wiki link) is seeing strong and eager adoption as a solution to problems that have long plagued the tech industry, providing a solution for generating collision-free IDs on the backend that could still be sorted chronologically to play nicer with database indexes and other needs.¹ As a quick briefer, a UUIDv7 is essentially composed of two parts: a timestamp half and a randomized bytes half, and they’re sorted by the timestamp:

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1. Of course, non-standardized solutions abound and UUIDv7 itself takes a lot of inspiration from predecessors like Ulid and others. ↩