We are seeing similar for Louie.ai . Data catalog yes, semantic no. We are also doing a lot of non-SQL like logs DBs (SIEMs) and graph DBs, which adds even more fun to that kind of question.

Wrt llmindex, the new tools like vector dbs & llmindex have been interesting. Fine-ish for our self-hosted, but most start getting tricky when a multi-tenant SaaS where we lower costs for teams and users by sharing infra yet need sharing boundaries.