docs(task_history): the acceleration refresh task is acceleration_refresh Eighteen deployment guides (and their 2.0.x-2.3.x snapshots) told readers to correlate object reads and accelerator spans with a task named accelerated_table_refresh. No release has ever recorded that name: the refresh span is declared as "acceleration_refresh" in the accelerated-table refresh task, and the task column is the span name unless a task_override label is present. The name a reader pastes into a task_history query has to match exactly, so a fabricated one returns no rows. cli/reference/trace.md already carried the correct name on these same snapshots.

docs(arrow): hash index auto-enables via primary_key/indexes, not hash_index: enabled The Arrow accelerator no longer activates its hash index from a hash_index: enabled param. As of v2.0.0 (spiceai/spiceai#10749), the param is stripped and ignored (a warning is logged), and indexing auto-enables only when primary_key or indexes is configured. The canonical hash-index feature page was corrected in #1730 but the Arrow accelerator pages and the performance-tuning reference still instructed users to set hash_index: enabled. Scoped to vNext + version-2.0.x only; the behavior changed in v2.0.0, so v1.11.x and earlier correctly document the legacy activation mechanism.