TimescaleDB v2.19.3

New services created in Timescale Cloud now use TimescaleDB v2.19.3. Existing services are in the process of being automatically upgraded to this version.

This release adds a number of bug fixes including:

• Fix segfault when running a query against columnstore chunks that group by multiple columns, including UUID segmentby columns.
• Fix hypercore table access method segfault on DELETE operations using a segmentby column.