[gms7777]

About time. Biorxiv and medrxiv have been doing this for probably half a decade at this point?

[dginev]

Wrong, arXiv was first. Check this HTML paper from 1997:

https://arxiv.org/html/astro-ph/9708066

[cbf66]

medRxiv and bioRxiv get most of their submissions as Word files. It's a much easier conversion, and if necessary they have manual touch-up. Not feasible for arXiv's volume.