v0.3.4
[doc] add supported feature diagram for hybrid parallel plugin (#4996)
[doc] update slack link (#4823)
[legacy] clean up legacy code (#4743)
fix typo docs/
[workflow] supported conda package installation in doc test (#3028)
[test] refactor tests with spawn (#3452)
[doc] update advanced tutorials, training gpt with hybrid parallelism (#4866)
[doc] add opt service doc (#2747)