On the search front, have you tried the PGroonga search backend? https://zulip.readthedocs.io/en/latest/subsystems/full-text-search.html#multi-language-full-te

On the search front, have you tried the PGroonga search backend? https://zulip.readthedocs.io/en/latest/subsystems/full-text-search.html#multi-language-full-text-search https://zulip.readthedocs.io/en/latest/subsystems/full-text-... (It's only available when self-hosting at present.)