chore: Merge release v6.107.0 into protobuf-3.x (#4328)

* chore: add release-please config for protobuf-4.x (#4249)

* fix: Refine connecitivity metrics to capture RPCs with no response he… (#4252)

* fix: Refine connecitivity metrics to capture RPCs with no response headers

* test fix

* fix: retry as PDML dit not retry Resource limit exceeded (#4258)

Most transactions that exceed the mutation limit for an atomic transaction will fail with the error "The transaction contains too many mutations.". However, it is also possible that the transaction fails with the more generic error message "Transaction resource limits exceeded". This error did not trigger a retry of the statement using a PDML transaction.

Fixes #4253

* deps: update dependency com.google.cloud:sdk-platform-java-config to v3.54.2 (#4261)

* deps: update googleapis/sdk-platform-java action to v2.64.2 (#4262)

* feat: include RequestID in requests and errors (#4263)

- Send a RequestID to Spanner for each request
- Make sure that the attempt number of the RequestID is increased
  if the RPC is retried.
- Include the RequestID in every error that is thrown due to an error
  that is returned by Spanner.

* feat: make grpc-gcp default enabled (#4239)

This PR enables the gRPC-GCP channel pool extension by default for Cloud Spanner Java client.

**What's Changing for Customers**

**Before this change**

- gRPC-GCP extension was disabled by default
- Default number of channels: 4
- Channel pooling was handled by GAX

**After this change**

- gRPC-GCP extension is enabled by default
- Default number of channels: 8
- Channel pooling is handled by gRPC-GCP extension

**Benefits of gRPC-GCP**

- **Improved resilience:** When a network connection fails on a particular channel, operations can be automatically retried on a different gRPC channel
- **Better channel management:** gRPC-GCP provides more sophisticated channel affinity and load balancing

**How to Disable gRPC-GCP (Switch Back to GAX Channel Pool)**

If you need to disable gRPC-GCP and use the previous GAX channel pooling behavior, use the `disableGrpcGcpExtension()` method:
```
SpannerOptions options = SpannerOptions.newBuilder()
    .setProjectId("my-project")
    .disableGrpcGcpExtension()
    .build();
```

When disabled, the default number of channels reverts to 4 (the previous default).

**When You Might Want to Disable gRPC-GCP**

- **Maintaining previous behavior:** If you want to keep the exact same behavior as before this change (GAX channel pool with 4 default channels).
- **Troubleshooting**: If you experience any unexpected behavior, disabling gRPC-GCP can help isolate whether the issue is related to the channel pooling mechanism.

* chore(main): release 6.104.1-SNAPSHOT (#4248)

:robot: I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

* feat: add support of dynamic channel pooling (#4265)

* feat: add support of dynamic channel pooling

* set initial pool size to 0 make dynamic channel pool work

* chore: generate libraries at Tue Dec 16 06:00:50 UTC 2025

* bump grpc-gcp-java version

* fix test

* incorporate suggestions

* chore: generate libraries at Tue Dec 16 09:56:45 UTC 2025

* make dynamic channel pool default disabled

* add verifySameChannelId back and fix partitionDML test

* support setting GcpChannelPoolOptions directly

---------

Co-authored-by: cloud-java-bot <cloud-java-bot@google.com>

* chore(main): release 6.105.0 (#4267)

* chore(main): release 6.105.0

* chore: generate libraries at Tue Dec 16 17:46:24 UTC 2025

---------

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

* chore(main): release 6.105.1-SNAPSHOT (#4268)

:robot: I have created a release *beep* *boop*
---


### Updating meta-information for bleeding-edge SNAPSHOT release.

---
This PR was generated with [Release Please](https://togithub.com/googleapis/release-please). See [documentation](https://togithub.com/googleapis/release-please#release-please).

* chore: enable afe latency metric test (#4283)

* chore: use graal-sdk-nativeimage.version to manage graal nativeimage versions (#4284)

* chore: use graal-sdk-nativeimage.version to manage graal-sdk versions

* chore: generate libraries at Thu Jan  1 23:39:12 UTC 2026

---------

Co-authored-by: cloud-java-bot <cloud-java-bot@google.com>

* feat: support SHOW DEFAULT_TRANSACTION_ISOLATION for PG databases (#4285)

The `SHOW DEFAULT_TRANSACTION_ISOLATION` command can be used in PostgreSQL to query
the current default isolation level for a connection. This command was not supported
by the Spanner JDBC driver and PGAdapter, which made it difficult for customers to
check whether their attempt to set a different default isolation level actually worked.

Updates GoogleCloudPlatform/pgadapter#3984

* fix: adjust the initial polling delay for ddl operations (#4275)

* fix: adjust the initial polling delay for ddl operations

* fix the lint issue

* refactor the code

* create a separate setting for updateDatabaseDdl

* chore: abstract plain text settings into a SpannerOption (#4264)

* chore: abstract plain text settings into a SpannerOption

* add unit test for plain text scenarios

* gemini suggested code changes

* updated javadoc

* missing space

* fixed unit test

---------

Co-authored-by: rahul2393 <irahul@google.com>

* fix: Retry creation of multiplexed session (#4288)

* fix(spanner): Retry creation of multiplexed session

* Reduce wait time to run tests faster

* chore(main): release 6.106.0 (#4286)

* chore(main): release 6.106.0

* chore: generate libraries at Wed Jan  7 15:11:02 UTC 2026

---------

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

* chore: Add Clirr exemptions for Protobuf 4.27.4+ runtime (#4297)

* feat: Add Dynamic Channel Pooling (DCP) support to Connection API (#4299)

* feat: Add Dynamic Channel Pooling (DCP) support to Connection API

* incorporate changes

* test: skip PGErrorCode assert check for experimental host in ITQueryTest.badquery (#4290)

* test: skip PGErrorCode assert check for experimental host

* gemini suggested code applied

* chore: cleanup release-please config (#4254)

* chore: cleanup release-please config

- Remove redundant options already declared at the top level.\n- Remove bumpMinorPreMajor for repositories after the first major release.

* chore: format release-please.yml

---------

Co-authored-by: rahul2393 <irahul@google.com>

* deps: update dependency com.google.cloud:sdk-platform-java-config to v3.55.1 (#4302)

* deps: update googleapis/sdk-platform-java action to v2.65.1 (#4301)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [googleapis/sdk-platform-java](https://redirect.github.com/googleapis/sdk-platform-java) | action | minor | `v2.64.2` → `v2.65.1` |

---

### Release Notes

<details>
<summary>googleapis/sdk-platform-java (googleapis/sdk-platform-java)</summary>

### [`v2.65.1`](https://redirect.github.com/googleapis/sdk-platform-java/releases/tag/v2.65.1)

[Compare Source](https://redirect.github.com/googleapis/sdk-platform-java/compare/v2.65.0...v2.65.1)

##### Documentation

- Update docs for GoogleCredentialsProvider#setScopesToApply ([#&#8203;4057](https://redirect.github.com/googleapis/sdk-platform-java/issues/4057)) ([0a9962f](https://redirect.github.com/googleapis/sdk-platform-java/commit/0a9962f9945b6018796a808f89a6a3a309d1ca04))

### [`v2.65.0`](https://redirect.github.com/googleapis/sdk-platform-java/releases/tag/v2.65.0)

[Compare Source](https://redirect.github.com/googleapis/sdk-platform-java/compare/v2.64.2...v2.65.0)

##### Features

- add org.json:json to third-party-dependencies pom ([#&#8203;4047](https://redirect.github.com/googleapis/sdk-platform-java/issues/4047)) ([ffa432e](https://redirect.github.com/googleapis/sdk-platform-java/commit/ffa432e4e4ae763845afd48b404836c88698bdc0)), closes [#&#8203;4046](https://redirect.github.com/googleapis/sdk-platform-java/issues/4046)
- remove dependency management of graal-sdk ([#&#8203;4033](https://redirect.github.com/googleapis/sdk-platform-java/issues/4033)) ([ad05c34](https://redirect.github.com/googleapis/sdk-platform-java/commit/ad05c34e205c09ad035f469170b0c62b4423b748))

##### Bug Fixes

- add api\_version breadcrumb to client docs ([#&#8203;4018](https://redirect.github.com/googleapis/sdk-platform-java/issues/4018)) ([a2b2179](https://redirect.github.com/googleapis/sdk-platform-java/commit/a2b2179874e6a5435001fe201f4eecc2a8e4c531))
- Create a single S2AChannelCredentials per application ([#&#8203;3989](https://redirect.github.com/googleapis/sdk-platform-java/issues/3989)) ([3758b43](https://redirect.github.com/googleapis/sdk-platform-java/commit/3758b436d7e80b79ad7d5ea330d8f2bf2f430330))
- provide API to share the same background executor for channel po… ([#&#8203;4030](https://redirect.github.com/googleapis/sdk-platform-java/issues/4030)) ([178182c](https://redirect.github.com/googleapis/sdk-platform-java/commit/178182c76c1b35e702215a88adc3ab511dd35a9e))

##### Dependencies

- update dependencies.txt for grpc-gcp to 1.9.0  ([#&#8203;4025](https://redirect.github.com/googleapis/sdk-platform-java/issues/4025)) ([b68791d](https://redirect.github.com/googleapis/sdk-platform-java/commit/b68791d074c02e02a5ccf2f937a5922749a14f56))
- update google api dependencies ([#&#8203;3917](https://redirect.github.com/googleapis/sdk-platform-java/issues/3917)) ([480cf13](https://redirect.github.com/googleapis/sdk-platform-java/commit/480cf13148687c53c4af3da9d48490aeb5bf4b88))
- update google.http-client.version to 2.0.3 ([#&#8203;4054](https://redirect.github.com/googleapis/sdk-platform-java/issues/4054)) ([b9a8c89](https://redirect.github.com/googleapis/sdk-platform-java/commit/b9a8c8924e7b03bca8a97e476abfd012b86f6d45))

##### Documentation

- Fix retry guide link in javadocs ([#&#8203;4029](https://redirect.github.com/googleapis/sdk-platform-java/issues/4029)) ([b43f77c](https://redirect.github.com/googleapis/sdk-platform-java/commit/b43f77c66d93d2423744d0f6d6a0a2a53a06e6d9))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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---

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* chore: remove explicit grpc-gcp version pinning (#4303)

* feat: add SsFormat encoding library (#4292)

* feat: add SsFormat encoding library

* remove unsigned methods

* fix javadoc

* refactored appendInt method names + added tests for target range

* chore(main): release 6.106.1-SNAPSHOT (#4291)

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

* chore: Add gcp resource name span attribute (#4306)

* chore: Add gcp resource name span attribute

* Update google-cloud-spanner/src/test/java/com/google/cloud/spanner/OpenTelemetrySpanTest.java

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* chore: Add gcp resource name span attribute

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* deps: update dependency net.bytebuddy:byte-buddy to v1.18.4 (#4244)

This PR contains the following updates:

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|---|---|---|---|---|---|
| [net.bytebuddy:byte-buddy](https://bytebuddy.net) | `1.18.1` → `1.18.4` | ![age](https://developer.mend.io/api/mc/badges/age/maven/net.bytebuddy:byte-buddy/1.18.4?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/net.bytebuddy:byte-buddy/1.18.4?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/net.bytebuddy:byte-buddy/1.18.1/1.18.4?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/net.bytebuddy:byte-buddy/1.18.1/1.18.4?slim=true) |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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* deps: update google.cloud.monitoring.version to v3.83.0 (#4270)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Adoption](https://docs.renovatebot.com/merge-confidence/) | [Passing](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring](https://redirect.github.com/googleapis/google-cloud-java) | `3.81.0` → `3.83.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-monitoring/3.83.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-monitoring/3.83.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-monitoring/3.81.0/3.83.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-monitoring/3.81.0/3.83.0?slim=true) |
| [com.google.api.grpc:grpc-google-cloud-monitoring-v3](https://redirect.github.com/googleapis/google-cloud-java) | `3.81.0` → `3.83.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api.grpc:grpc-google-cloud-monitoring-v3/3.83.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.api.grpc:grpc-google-cloud-monitoring-v3/3.83.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.api.grpc:grpc-google-cloud-monitoring-v3/3.81.0/3.83.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api.grpc:grpc-google-cloud-monitoring-v3/3.81.0/3.83.0?slim=true) |
| [com.google.api.grpc:proto-google-cloud-monitoring-v3](https://redirect.github.com/googleapis/google-cloud-java) | `3.81.0` → `3.83.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api.grpc:proto-google-cloud-monitoring-v3/3.83.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.api.grpc:proto-google-cloud-monitoring-v3/3.83.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.api.grpc:proto-google-cloud-monitoring-v3/3.81.0/3.83.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api.grpc:proto-google-cloud-monitoring-v3/3.81.0/3.83.0?slim=true) |

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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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* chore(deps): update dependency com.google.cloud:libraries-bom to v26.72.0 (#4234)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Adoption](https://docs.renovatebot.com/merge-confidence/) | [Passing](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|---|---|
| [com.google.cloud:libraries-bom](https://cloud.google.com/java/docs/bom) ([source](https://redirect.github.com/googleapis/java-cloud-bom)) | `26.71.0` -> `26.72.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:libraries-bom/26.72.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:libraries-bom/26.72.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:libraries-bom/26.71.0/26.72.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:libraries-bom/26.71.0/26.72.0?slim=true) |

---

### Release Notes

<details>
<summary>googleapis/java-cloud-bom (com.google.cloud:libraries-bom)</summary>

### [`v26.72.0`](https://redirect.github.com/googleapis/java-cloud-bom/blob/HEAD/CHANGELOG.md#26720-2025-11-18)

[Compare Source](https://redirect.github.com/googleapis/java-cloud-bom/compare/v26.71.0...v26.72.0)

##### Dependencies

- update dependency com.google.cloud:first-party-dependencies to v3.54.1 ([#&#8203;7266](https://redirect.github.com/googleapis/java-cloud-bom/issues/7266)) ([2b00ef5](https://redirect.github.com/googleapis/java-cloud-bom/commit/2b00ef51060c6fc8b1b772b352bd0b22f25ee09a))
- update dependency com.google.cloud:gapic-libraries-bom to v1.74.0 ([#&#8203;7271](https://redirect.github.com/googleapis/java-cloud-bom/issues/7271)) ([b52b9d9](https://redirect.github.com/googleapis/java-cloud-bom/commit/b52b9d958d2a5f89600b808164f14720dfb56d7f))
- update dependency com.google.cloud:google-cloud-bigquery to v2.56.0 ([#&#8203;7279](https://redirect.github.com/googleapis/java-cloud-bom/issues/7279)) ([d7876b6](https://redirect.github.com/googleapis/java-cloud-bom/commit/d7876b6b11bce64d3f62f405da6d9ed928a5ecab))
- update dependency com.google.cloud:google-cloud-bigquerystorage-bom to v3.18.0 ([#&#8203;7273](https://redirect.github.com/googleapis/java-cloud-bom/issues/7273)) ([b59ad99](https://redirect.github.com/googleapis/java-cloud-bom/commit/b59ad99edc23294254334d3dae4a181c8e0c25ed))
- update dependency com.google.cloud:google-cloud-bigtable-bom to v2.70.0 ([#&#8203;7281](https://redirect.github.com/googleapis/java-cloud-bom/issues/7281)) ([5f79ffc](https://redirect.github.com/googleapis/java-cloud-bom/commit/5f79ffc4d14c510d38d5a019ab5f0d7a711c2e6a))
- update dependency com.google.cloud:google-cloud-datastore-bom to v2.33.0 ([#&#8203;7276](https://redirect.github.com/googleapis/java-cloud-bom/issues/7276)) ([52bc904](https://redirect.github.com/googleapis/java-cloud-bom/commit/52bc90484653070c5288312342aac53915ac8973))
- update dependency com.google.cloud:google-cloud-firestore-bom to v3.33.4 ([#&#8203;7274](https://redirect.github.com/googleapis/java-cloud-bom/issues/7274)) ([58aa10c](https://redirect.github.com/googleapis/java-cloud-bom/commit/58aa10ca5b7bb81115c6fab3f8719375f2345d84))
- update dependency com.google.cloud:google-cloud-logging-bom to v3.23.8 ([#&#8203;7275](https://redirect.github.com/googleapis/java-cloud-bom/issues/7275)) ([6538b89](https://redirect.github.com/googleapis/java-cloud-bom/commit/6538b890fd2c1d966d898cf10ad13cd3d10aeba9))
- update dependency com.google.cloud:google-cloud-logging-logback to v0.132.19-alpha ([#&#8203;7277](https://redirect.github.com/googleapis/java-cloud-bom/issues/7277)) ([7c5c2f0](https://redirect.github.com/googleapis/java-cloud-bom/commit/7c5c2f080956a73f22a723fd3d67efca0d8d6967))
- update dependency com.google.cloud:google-cloud-nio to v0.128.8 ([#&#8203;7269](https://redirect.github.com/googleapis/java-cloud-bom/issues/7269)) ([0ef2783](https://redirect.github.com/googleapis/java-cloud-bom/commit/0ef2783c1e92cbb90fd9aa9baf9a4749cad87a29))
- update dependency com.google.cloud:google-cloud-pubsub-bom to v1.143.1 ([#&#8203;7272](https://redirect.github.com/googleapis/java-cloud-bom/issues/7272)) ([f9c869b](https://redirect.github.com/googleapis/java-cloud-bom/commit/f9c869bd0e4f1a71ff225ca09d6d094434d250d2))
- update dependency com.google.cloud:google-cloud-pubsublite-bom to v1.15.19 ([#&#8203;7278](https://redirect.github.com/googleapis/java-cloud-bom/issues/7278)) ([3f9ad11](https://redirect.github.com/googleapis/java-cloud-bom/commit/3f9ad11ecc0683563c3878bee01c6d033f2b4d16))
- update dependency com.google.cloud:google-cloud-spanner-bom to v6.103.0 ([#&#8203;7280](https://redirect.github.com/googleapis/java-cloud-bom/issues/7280)) ([0b61648](https://redirect.github.com/googleapis/java-cloud-bom/commit/0b616489685dac70d765778966b00c2523589190))
- update dependency com.google.cloud:google-cloud-spanner-jdbc to v2.34.0 ([#&#8203;7265](https://redirect.github.com/googleapis/java-cloud-bom/issues/7265)) ([297f8d5](https://redirect.github.com/googleapis/java-cloud-bom/commit/297f8d505d97bff0dd93ef5dba92d641ccbb7a64))
- update dependency com.google.cloud:google-cloud-storage-bom to v2.60.0 ([#&#8203;7267](https://redirect.github.com/googleapis/java-cloud-bom/issues/7267)) ([63b1b4c](https://redirect.github.com/googleapis/java-cloud-bom/commit/63b1b4c765bd019153cfeae3b98d69363e679d6e))

</details>

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* deps: update dependency com.google.api.grpc:proto-google-cloud-trace-v1 to v2.82.0 (#4227)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Adoption](https://docs.renovatebot.com/merge-confidence/) | [Passing](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|---|---|
| [com.google.api.grpc:proto-google-cloud-trace-v1](https://redirect.github.com/googleapis/google-cloud-java) | `2.79.0` → `2.82.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.82.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.82.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.79.0/2.82.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.api.grpc:proto-google-cloud-trace-v1/2.79.0/2.82.0?slim=true) |

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about these updates again.

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 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

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* deps: update dependency com.google.cloud:google-cloud-monitoring to v3.83.0 (#4169)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Adoption](https://docs.renovatebot.com/merge-confidence/) | [Passing](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|---|---|
| [com.google.cloud:google-cloud-monitoring](https://redirect.github.com/googleapis/google-cloud-java) | `3.77.0` → `3.83.0` | ![age](https://developer.mend.io/api/mc/badges/age/maven/com.google.cloud:google-cloud-monitoring/3.83.0?slim=true) | ![adoption](https://developer.mend.io/api/mc/badges/adoption/maven/com.google.cloud:google-cloud-monitoring/3.83.0?slim=true) | ![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/com.google.cloud:google-cloud-monitoring/3.77.0/3.83.0?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.google.cloud:google-cloud-monitoring/3.77.0/3.83.0?slim=true) |

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### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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* chore(main): release 6.107.0 (#4304)

* chore(main): release 6.107.0

* chore: generate libraries at Fri Jan 16 17:05:30 UTC 2026

---------

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

---------

Co-authored-by: Diego Marquez <diegomarquezp@google.com>
Co-authored-by: surbhigarg92 <surbhigarg.92@gmail.com>
Co-authored-by: Knut Olav Løite <koloite@gmail.com>
Co-authored-by: Mend Renovate <bot@renovateapp.com>
Co-authored-by: rahul2393 <irahul@google.com>
Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
Co-authored-by: cloud-java-bot <cloud-java-bot@google.com>
Co-authored-by: Mridula <66699525+mpeddada1@users.noreply.github.com>
Co-authored-by: Hengfeng Li <hengfeng@google.com>
Co-authored-by: Sagnik Ghosh <sagnikghosh@google.com>
Co-authored-by: Sakthivel Subramanian <179120858+sakthivelmanii@users.noreply.github.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: 13 people

.github/release-please.yml

@@ -2,55 +2,26 @@ releaseType: java-yoshi
 bumpMinorPreMajor: true
 handleGHRelease: true
 branches:
-  - branch: 3.3.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - branch: 4.0.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - branch: 5.2.x
-    releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-  - releaseType: java-lts
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.4.4-sp
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.14.x
-  - releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.23.x
-  - releaseType: java-yoshi
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.33.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.55.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.67.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.66.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.88.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.96.x
-  - releaseType: java-backport
-    bumpMinorPreMajor: true
-    handleGHRelease: true
-    branch: 6.95.x
+    - branch: 3.3.x
+    - branch: 4.0.x
+    - branch: 5.2.x
+    - branch: 6.4.4-sp
+      releaseType: java-lts
+    - branch: 6.14.x
+      releaseType: java-backport
+    - branch: 6.23.x
+    - branch: 6.33.x
+    - branch: 6.55.x
+      releaseType: java-backport
+    - branch: 6.67.x
+      releaseType: java-backport
+    - branch: 6.66.x
+      releaseType: java-backport
+    - branch: 6.88.x
+      releaseType: java-backport
+    - branch: 6.96.x
+      releaseType: java-backport
+    - branch: 6.95.x
+      releaseType: java-backport
+    - branch: protobuf-4.x-rc
+      manifest: true

.github/workflows/hermetic_library_generation.yaml

@@ -37,7 +37,7 @@ jobs:
       with:
         fetch-depth: 0
         token: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
-    - uses: googleapis/sdk-platform-java/.github/scripts@v2.64.1
+    - uses: googleapis/sdk-platform-java/.github/scripts@v2.65.1
       if: env.SHOULD_RUN == 'true'
       with:
         base_ref: ${{ github.base_ref }}

.github/workflows/unmanaged_dependency_check.yaml

@@ -17,6 +17,6 @@ jobs:
           # repository
           .kokoro/build.sh
       - name: Unmanaged dependency check
-        uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v3.54.1
+        uses: googleapis/sdk-platform-java/java-shared-dependencies/unmanaged-dependency-check@google-cloud-shared-dependencies/v3.55.1
         with:
           bom-path: google-cloud-spanner-bom/pom.xml

CHANGELOG.md

@@ -1,5 +1,57 @@
 # Changelog
 
+## [6.107.0](https://github.com/googleapis/java-spanner/compare/v6.106.0...v6.107.0) (2026-01-16)
+
+
+### Features
+
+* Add Dynamic Channel Pooling (DCP) support to Connection API ([#4299](https://github.com/googleapis/java-spanner/issues/4299)) ([bba03a4](https://github.com/googleapis/java-spanner/commit/bba03a44dbfbd59288ecd33e3e53276809ad69b1))
+* Add SsFormat encoding library ([#4292](https://github.com/googleapis/java-spanner/issues/4292)) ([338a9b1](https://github.com/googleapis/java-spanner/commit/338a9b1409cafedcdef674bdff09a72c3f2cd772))
+
+
+### Dependencies
+
+* Update dependency com.google.api.grpc:proto-google-cloud-trace-v1 to v2.82.0 ([#4227](https://github.com/googleapis/java-spanner/issues/4227)) ([22bc6cf](https://github.com/googleapis/java-spanner/commit/22bc6cf3431f6e507d384f6e86a36503f1175ee7))
+* Update dependency com.google.cloud:google-cloud-monitoring to v3.83.0 ([#4169](https://github.com/googleapis/java-spanner/issues/4169)) ([61ae915](https://github.com/googleapis/java-spanner/commit/61ae915242a3c8a0aa1385bc1367f67df2c209d6))
+* Update dependency com.google.cloud:sdk-platform-java-config to v3.55.1 ([#4302](https://github.com/googleapis/java-spanner/issues/4302)) ([52acc0c](https://github.com/googleapis/java-spanner/commit/52acc0c620fec0aa67ecd81d634eec271fe4e429))
+* Update dependency net.bytebuddy:byte-buddy to v1.18.4 ([#4244](https://github.com/googleapis/java-spanner/issues/4244)) ([c8e4d91](https://github.com/googleapis/java-spanner/commit/c8e4d912155ab6829498822dcf0783fac5fe2747))
+* Update google.cloud.monitoring.version to v3.83.0 ([#4270](https://github.com/googleapis/java-spanner/issues/4270)) ([7ae68c8](https://github.com/googleapis/java-spanner/commit/7ae68c8e889f44f1057310bc45b70c086af9c385))
+* Update googleapis/sdk-platform-java action to v2.65.1 ([#4301](https://github.com/googleapis/java-spanner/issues/4301)) ([7d98f4e](https://github.com/googleapis/java-spanner/commit/7d98f4e12843826c18cbb8e0998c8687c94fc3d2))
+
+## [6.106.0](https://github.com/googleapis/java-spanner/compare/v6.105.0...v6.106.0) (2026-01-07)
+
+
+### Features
+
+* Support SHOW DEFAULT_TRANSACTION_ISOLATION for PG databases ([#4285](https://github.com/googleapis/java-spanner/issues/4285)) ([aec0515](https://github.com/googleapis/java-spanner/commit/aec051514dd3d122a7231eb6d25d1aaec8d90bda))
+
+
+### Bug Fixes
+
+* Adjust the initial polling delay for ddl operations ([#4275](https://github.com/googleapis/java-spanner/issues/4275)) ([8d36967](https://github.com/googleapis/java-spanner/commit/8d36967d010bed8f5a4a0c32f9ec1b5fe7d33e1d))
+* Retry creation of multiplexed session ([#4288](https://github.com/googleapis/java-spanner/issues/4288)) ([735e29e](https://github.com/googleapis/java-spanner/commit/735e29ed394faea9f5e697b5934a1f4895055d56))
+
+## [6.105.0](https://github.com/googleapis/java-spanner/compare/v6.104.0...v6.105.0) (2025-12-16)
+
+
+### Features
+
+* Add support of dynamic channel pooling ([#4265](https://github.com/googleapis/java-spanner/issues/4265)) ([923a14a](https://github.com/googleapis/java-spanner/commit/923a14aad99ff6fc91868f02d657145dd0f31c18))
+* Include RequestID in requests and errors ([#4263](https://github.com/googleapis/java-spanner/issues/4263)) ([afd7d6b](https://github.com/googleapis/java-spanner/commit/afd7d6b008f13d7a4d1a3b7f924122bd41d14b59))
+* Make grpc-gcp default enabled ([#4239](https://github.com/googleapis/java-spanner/issues/4239)) ([bb82f9e](https://github.com/googleapis/java-spanner/commit/bb82f9e55c40cac29b090e54be780c2e42545ee1))
+
+
+### Bug Fixes
+
+* Refine connecitivity metrics to capture RPCs with no response he… ([#4252](https://github.com/googleapis/java-spanner/issues/4252)) ([7b49412](https://github.com/googleapis/java-spanner/commit/7b4941221969f48d077ff459214c7d1e65ef843c))
+* Retry as PDML dit not retry Resource limit exceeded ([#4258](https://github.com/googleapis/java-spanner/issues/4258)) ([c735d42](https://github.com/googleapis/java-spanner/commit/c735d42875092b0d1482fe641b99645f288cdf4f)), closes [#4253](https://github.com/googleapis/java-spanner/issues/4253)
+
+
+### Dependencies
+
+* Update dependency com.google.cloud:sdk-platform-java-config to v3.54.2 ([#4261](https://github.com/googleapis/java-spanner/issues/4261)) ([61dfd62](https://github.com/googleapis/java-spanner/commit/61dfd620637da6ef76b699edbad1095c26b81950))
+* Update googleapis/sdk-platform-java action to v2.64.2 ([#4262](https://github.com/googleapis/java-spanner/issues/4262)) ([f9505a9](https://github.com/googleapis/java-spanner/commit/f9505a97bdd9f6da7dd5ab1b60b47f7ed0a70402))
+
 ## [6.104.0](https://github.com/googleapis/java-spanner/compare/v6.103.0...v6.104.0) (2025-12-03)
 
 

README.md

@@ -19,7 +19,7 @@ If you are using Maven with [BOM][libraries-bom], add this to your pom.xml file:
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>libraries-bom</artifactId>
-      <version>26.71.0</version>
+      <version>26.72.0</version>
       <type>pom</type>
       <scope>import</scope>
     </dependency>
@@ -56,13 +56,13 @@ implementation 'com.google.cloud:google-cloud-spanner'
 If you are using Gradle without BOM, add this to your dependencies:
 
 ```Groovy
-implementation 'com.google.cloud:google-cloud-spanner:6.104.0'
+implementation 'com.google.cloud:google-cloud-spanner:6.107.0'
 ```
 
 If you are using SBT, add this to your dependencies:
 
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.104.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.107.0"
 ```
 
 ## Authentication
@@ -567,7 +567,7 @@ Java is a registered trademark of Oracle and/or its affiliates.
 [kokoro-badge-link-5]: http://storage.googleapis.com/cloud-devrel-public/java/badges/java-spanner/java11.html
 [stability-image]: https://img.shields.io/badge/stability-stable-green
 [maven-version-image]: https://img.shields.io/maven-central/v/com.google.cloud/google-cloud-spanner.svg
-[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-spanner/6.104.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-spanner/6.107.0
 [authentication]: https://github.com/googleapis/google-cloud-java#authentication
 [auth-scopes]: https://developers.google.com/identity/protocols/oauth2/scopes
 [predefined-iam-roles]: https://cloud.google.com/iam/docs/understanding-roles#predefined_roles

benchmarks/pom.xml

@@ -24,7 +24,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-spanner-parent</artifactId>
-    <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
+    <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
   </parent>
 
   <properties>
@@ -35,7 +35,7 @@
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     <junixsocket.version>2.10.1</junixsocket.version>
     <opentelemetry.version>1.56.0</opentelemetry.version>
-    <google.cloud.monitoring.version>3.81.0</google.cloud.monitoring.version>
+    <google.cloud.monitoring.version>3.83.0</google.cloud.monitoring.version>
   </properties>
 
   <dependencies>

google-cloud-spanner-bom/pom.xml

@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-spanner-bom</artifactId>
-  <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
+  <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>sdk-platform-java-config</artifactId>
-    <version>3.54.1</version>
+    <version>3.55.1</version>
   </parent>
 
   <name>Google Cloud Spanner BOM</name>
@@ -53,43 +53,43 @@
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
+        <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-spanner</artifactId>
         <type>test-jar</type>
-        <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
+        <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-spanner-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:grpc-google-cloud-spanner-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:grpc-google-cloud-spanner-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-spanner-admin-instance-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:grpc-google-cloud-spanner-admin-instance-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:grpc-google-cloud-spanner-admin-instance-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-spanner-admin-database-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:grpc-google-cloud-spanner-admin-database-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:grpc-google-cloud-spanner-admin-database-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-spanner-admin-instance-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:proto-google-cloud-spanner-admin-instance-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:proto-google-cloud-spanner-admin-instance-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-spanner-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:proto-google-cloud-spanner-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:proto-google-cloud-spanner-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-spanner-admin-database-v1</artifactId>
-        <version>6.104.0</version><!-- {x-version-update:proto-google-cloud-spanner-admin-database-v1:current} -->
+        <version>6.107.0</version><!-- {x-version-update:proto-google-cloud-spanner-admin-database-v1:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>

google-cloud-spanner-executor/pom.xml

@@ -5,14 +5,14 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-spanner-executor</artifactId>
-  <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner-executor:current} -->
+  <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner-executor:current} -->
   <packaging>jar</packaging>
   <name>Google Cloud Spanner Executor</name>
 
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-spanner-parent</artifactId>
-    <version>6.104.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
+    <version>6.107.0</version><!-- {x-version-update:google-cloud-spanner:current} -->
   </parent>
 
   <properties>
@@ -59,6 +59,10 @@
         </exclusion>
       </exclusions>
     </dependency>
+    <dependency>
+      <groupId>com.google.cloud</groupId>
+      <artifactId>grpc-gcp</artifactId>
+    </dependency>
     <dependency>
       <groupId>io.opentelemetry.semconv</groupId>
       <artifactId>opentelemetry-semconv</artifactId>
@@ -150,7 +154,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-cloud-trace-v1</artifactId>
-      <version>2.79.0</version>
+      <version>2.82.0</version>
       <!-- Version will be managed by guava -->
       <exclusions>
         <exclusion>
@@ -296,7 +300,7 @@
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
           <configuration>
-            <ignoredDependencies> com.google.api:gax,org.apache.maven.surefire:surefire-junit4,io.opentelemetry.semconv:opentelemetry-semconv,com.google.cloud.opentelemetry:shared-resourcemapping </ignoredDependencies>
+            <ignoredDependencies> com.google.api:gax,org.apache.maven.surefire:surefire-junit4,io.opentelemetry.semconv:opentelemetry-semconv,com.google.cloud.opentelemetry:shared-resourcemapping,com.google.cloud:grpc-gcp </ignoredDependencies>
           </configuration>
         </plugin>
       </plugins>

google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/SpannerExecutorProxyClient.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

google-cloud-spanner-executor/src/main/java/com/google/cloud/spanner/executor/v1/SpannerExecutorProxySettings.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2025 Google LLC
+ * Copyright 2026 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.