Document: feat: add support to alter backfill parallelism for streaming jobs #1021
Description
This issue tracks the documentation update needed for the merged PR #24323.
Source PR URL: risingwavelabs/risingwave#24323
Source PR Merged At: 2026-02-24T08:37:08Z
If it is a major improvement that deserves a new page or a new section in the documentation, please check if we should label it as an experiment feature.