Status of testing of Apache Airflow 3.3.1rc2

@shahar1

We are kindly requesting that contributors to Apache Airflow RC 3.3.1rc1 help test the RC.

Please let us know by commenting if the issue is addressed in the latest RC.

Thanks to all who contributed to the release (probably not a complete list!):
@kalluripradeep @Vamsi-klu @MaksYermak @kaxil @potiuk @pierrejeambrun @dheerajturaga @tirkarthi @jedcunningham @takayoshi-makabe @safaehar @gopidesupavan @davidnzhang @haseebmalik18 @1fanwang @deepujain @raphaelauv @sejal-gupta-ksolves @uranusjr @eddiesr93 @juan-pablo-guereca @Andrushika @sortega @yuseok89 @bbovenzi @dstandish @jayachandrakasarla @Lee-W @imrichardwu @MhussainD4772 @Codingaditya17 @lohitkolluri @kimhaggie @ABiscuitttt @guan404ming @shaealh @ashutosh264 @KushagraB424 @vatsrahul1001 @dsuhinin @AntonioBergonzi @Aaryan123456679 @kacpermuda @FrankYang0529 @vincbeck @WonYong-Jang @wolfier @amoghrajesh @xBis7 @shivaam @jason810496 @henry3260 @seanghaeli @FrankPortman @SreeramaYeshwanthGowd @hterik @ferruzzi @shahar1 @dkranchii @steveahnahn @dabla @Vishwaspatel2401 @ephraimbuddy @deepak4babu @Samin061 @anxkhn @hkc-8010 @fat-catTW @cmettler @itayweb

Tested both of mine on 3.3.1rc1 (Python 3.12, airflow standalone with example DAGs). Both look good.

#70197: the Dag Overview chart shows the single dashed median line with the Total: ... label, the legend for queued vs run duration is there, and the y-axis ticks use the compact format instead of 00:00:16.230. Checked with 8 runs of example_bash_operator.

#70203 / #70748: the pause toggle has the outline in dark mode now, so the off state is easy to spot on the Dags list. Light mode still looks right too.

Nothing off on either page.

Tested Apache Airflow 3.3.1rc1 for #70554.

Environment:

Python 3.12.3, fresh venv
pip install apache-airflow==3.3.1rc1
airflow db migrate + airflow standalone
UI reachable at http://localhost:8080

Verification:

Confirmed the built UI bundle (airflow/ui/dist/assets/index-*.js) contains the refactored JsonEditor component with the new prettify and onError props.

Confirmed CreateAssetEventModal now renders:

<JsonEditor onChange={setExtra} onError={setExtraError} prettify value={extra} />

Confirmed the prettify logic in the bundle:

let formattedJson = JSON.stringify(JSON.parse(val), undefined, 2);
onError?.(undefined);
if (formattedJson !== value) {
  onChange?.(formattedJson);
}

and parse errors are reported via onError(error.message).

Airflow standalone started cleanly, the web UI loads, and the auth page redirects correctly. The backport from #70380 is present in 3.3.1rc1.

[v3-3-test] UI: Move JSON validation and prettifying into JsonEditor (#70380) (#70554)

[ ]  [[v3-3-test] Fix orphaned subprocesses and supervisor crash on heartbeat 409 (#65738) (#71146)](https://github.com/apache/airflow/pull/71146): @cmettler [@vatsrahul1001](https://github.com/vatsrahul1001)
Linked issues:

* [Fix orphaned subprocesses and supervisor crash on heartbeat 409 (#65738)](https://github.com/apache/airflow/pull/65738)* [ ]

The issue is fixed. Thanks!

I've tested SQLite migration and few Dags

Tested Apache Airflow 3.3.1rc1 for #70555 / #69693.

Environment:

breeze start-airflow --use-airflow-version 3.3.1rc1 --python 3.10 --backend postgres --load-example-dags
UI at http://localhost:28080

Verification on Grid view:

Narrow details panel + horizontal scroll: latest Dag run cells are not covered by the overlay scrollbar
Scroll right then down: no task cells bleed through the sticky run bars
Tallest duration bar does not peek above the sticky task-name column
Wide panel: header/body columns stay aligned
Gantt toggle: unchanged

Looks good.

[v3-3-test] Fix Grid view scrollbar hiding latest Dags run (#69693) (#70555)

Tested Apache Airflow 3.3.1rc1 for #70427 / #70702.

Environment:

breeze start-airflow --use-airflow-version 3.3.1rc1 --python 3.10 --backend postgres --load-example-dags
UI at http://localhost:28080

Verification:

Confirmed that the "Run on latest version" checkbox in the Clear dialogs is now shown only when it can actually take effect:

Non-versioned bundle(LocalDagBundle): bundle_version is always None, so the run always resolves to the latest Dag. the checkbox is hidden, as it would have no effect. Previously it was displayed even though toggling it did nothing.
Versioned bundle (GitDagBundle): with a run pinned to an older bundle version while a newer version exists, the checkbox is enabled. When the run is already on the latest version, it is hidden again.

Thanks for preparing the release, Rahul!

I have tested my four items (#70397, #70817, #71012, #71127) on 3.3.1rc1 installed from PyPI, running in breeze, and checked UI manually. They work as expected.
I also ran the UI tests these four PRs added against the 3.3.1rc1 tag. All 36 pass.

Installed the release bits and validated my changes:

Actual changes

[v3-3-test] Restore pluggable email backend for task failure and retry alerts (#69877) #70129
[v3-3-test] Making ResumableJobMixin an abstract class and its methods abstractmethods (#69607) #70810
[v3-3-test] Make serde errors for unsupported types a bit more actionable (#70974) #70982
[v3-3-test] Only refuse team-scoped-looking env var ids when multi_team is on (#71079) #71142
[v3-3-test] Add support for pandas 3 based xcoms in airflow (#71103) #71169

Dev only changes

[v3-3-test] Adding amoghrajesh as codeowner for registry (#70381) #70384

They look good

Tested Apache Airflow 3.3.1rc2 for my items (#70304, #70442, #70460, #70463, #70733, #70734, #70738).

Verification:

[v3-3-test] Add partition date filters to Dag run API (#68682) #70304: Dag run API accepts the new partition date filters and returns the expected filtered runs.
[v3-3-test] Mark dags list-jobs as migrated to airflowctl (#70153) #70442 / [v3-3-test] Remove no-op ServerResponseError re-raise blocks in airflowctl operations #70460 / [v3-3-test] Fix incorrect asset queued-event endpoint paths in airflowctl (#70461) #70463: airflowctl ‎dags list-jobs works against the API; the asset queued-event endpoint paths resolve correctly; no stray re-raise on server errors.
[v3-3-test] Improve SQLite test DB health checks (#68021) #70733 / [v3-3-test] Fix TaskInstance duration calculation with SQLite (#68142) #70734: SQLite test DB health check and TaskInstance duration calculation both behave as expected on SQLite.
[v3-3-test] Fix N+1 queries in trigger asset event submission (#65367) #70738: trigger asset event submission no longer issues the extra per-row queries.

All look good.

I've tested my changes and all of them look great. Thanks!

Tested #70515 against 3.3.1rc1. is_safe_url now rejects the backslash-after-scheme variants (https:\evil.com, https:/\evil.com, https:\/evil.com and the percent-encoded form) while same-origin paths like /dags still resolve. Works as expected on my end.

Thanks everyone for testing this release. 3.3.1 has been released now

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Status of testing of Apache Airflow 3.3.1rc2 #71274

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Status of testing of Apache Airflow 3.3.1rc2 #71274

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eddiesr93 commented on Aug 7, 2026

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Lee-W commented on Aug 7, 2026

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Vamsi-klu commented on Aug 22, 2026

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