BigQuery Loader 2.2.1

[dp-release-docs]

BigQuery Loader 2.2.1

Documentation for the BigQuery Loader 2.2.1 release.

2.2.1 is a maintenance release (CVE fixes, common-streams bump 0.24.0 → 0.24.2, internal QA integration). No component reference config changed between 2.2.0 and 2.2.1, so the doc work is a config audit + applicability cleanup rather than new-feature documentation.

Changes

• Bump bqLoader to 2.2.1 in src/componentVersions.js.
• Common config — document four options present in reference.conf but previously undocumented. They were unchanged since 2.2.0, so they are pre-existing gaps and carry no (since) annotation:
  • retries.alterTableWait.delay
  • retries.tooManyColumns.delay
  • monitoring.healthProbe.port
  • monitoring.healthProbe.unhealthyLatency
• Pub/Sub config — remove input.maxMessagesPerPull and input.debounceRequests, and add an MDX comment covering those plus input.parallelPullFactor. Per the common-streams 0.24.2 PubsubSourceConfig scaladoc these are "Only used when streamingPull is false", and BigQuery Loader uses the streaming-pull default (it does not override streamingPull in its modules/pubsub application.conf), so they are no-ops for this loader.

⚠️ Unresolved judgment calls (non-interactive run — please resolve at review)

1. This release may already be documented on main. Commit b2b310a6 ("BigQuery Loader 2.2.1", BigQuery Loader 2.2.1 #1848) is already merged into main and covers this release. To produce a reviewable diff, this branch was based on that commit's parent and independently reconstructs the release docs — the resulting BigQuery Loader files are byte-identical to BigQuery Loader 2.2.1 #1848. If BigQuery Loader 2.2.1 #1848 already covers 2.2.1, close this PR as redundant. Otherwise reconcile/rebase onto main.
2. Scope — snowflake-streaming-loader not touched. The same unary-pull-only options are still documented for the Snowflake Streaming Loader (0.6.1), which per the applicability reference also uses streaming pull, so they are likely no-ops there too. I did not change it because the provided sources only let me verify BigQuery Loader + common-streams (not the Snowflake loader's own application.conf). Recommend a follow-up verified against the Snowflake loader's source. (Note: BigQuery Loader 2.2.1 #1848 did include this cleanup.)
3. Feature readiness. QA-832 "Consume Snowman's async rollout dispatch" (Breadcrumbs improvements #21) appears to be internal QA tooling with no user-facing config; not documented. Please confirm it is not meant to be public.

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