Please review clause 2.1 (d) and section 2.2. The freedom to run your own modifications in production is not granted. This is a big deal, and rightly a deal-breaking omission for something to be acceptable as either open source or free (as in freedom).
> The Timescale license checks almost all the boxes ...
_Almost_ all, but not all. Some things work only when all of them work, like freedoms.