Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>

* Add timestamp expressions

* chore: generate libraries at Fri Mar 20 14:34:46 UTC 2026

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Co-authored-by: cloud-java-bot <[email protected]>

… error (#2351)

* Add support for the parent expression

* chore: generate libraries at Mon Mar 30 16:02:57 UTC 2026

* Fix integration tests error due to changes in backend implementation

* chore: generate libraries at Mon Mar 30 18:21:43 UTC 2026

* Fix nested field aggregations

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Co-authored-by: cloud-java-bot <[email protected]>

* chore: add a simple verify skill

* feat: DML prototype

* make options and returns internal, add update stage (#2335)

* make options and returns internal, add update stage

* chore: generate libraries at Wed Mar  4 16:26:17 UTC 2026

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Co-authored-by: cloud-java-bot <[email protected]>

* Add pipeline DML tests and fix update verification

* Delete upsert() from Pipeline.java and tests

* Delete insert()

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Co-authored-by: Daniel La Rocque <[email protected]>
Co-authored-by: cloud-java-bot <[email protected]>

* save work

* Fix breaking tests

* Fix testSingleLookupScalarSubquery

* Fix broken tests

* change syntax for define and return type of as function

* add documentation and overload for getField()

* change proto

* chore: generate libraries at Thu Feb 26 19:35:06 UTC 2026

* format code

* add tests for toArrayExpression

* move the subquery test to independent file

* Add tests for subcollection

* Format code

* refactor PipelineExpression

* Address feedbacks

* Improve documentation

* change the test

* Test subcollection used within Union stage

* replace mapGet with getField

* support subcollection in test

* chore: generate libraries at Wed Mar 11 18:14:28 UTC 2026

* improve error message

* chore: generate libraries at Tue Mar 24 17:04:45 UTC 2026

* add decode support

* Make the subquery test only run in nightly environment

* address feedbacks

* chore: generate libraries at Fri Mar 27 22:19:12 UTC 2026

* remove beta annotation

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Co-authored-by: cloud-java-bot <[email protected]>

…h in Pipelines. (#2346)

Removed @BetaApi annotations from Pipeline, PipelineSource, PipelineResult, 
ExplainStats, and all expressions in the firestore.pipeline.expressions 
package. Telemetry options and Firestore.pipeline() are also GA.

Retained @BetaApi for search and DML (delete/update) stages as requested.

… re-add beta label (#2353)

This has not been released yet, so marking this as a chore.

* chore(main): release 3.40.0

* chore: generate libraries at Wed Apr  8 15:40:17 UTC 2026

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Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: cloud-java-bot <[email protected]>
Co-authored-by: Mark Duckworth <[email protected]>