some highlights:

> In September of 2016, arXiv received 9,869 submissions. In September of 2024, arXiv received 20,569 submissions. This September, arXiv received 40,363 submissions, which in turn generated almost 9,000 support tickets for arXiv staff and moderators.

> arXiv now limits submitters to up to two submissions per calendar month, with a limit of three total active submissions at any given time.