From db18b296b65a871506c348372ada9294f6cfa3fa Mon Sep 17 00:00:00 2001
From: "release-please[bot]"
<55107282+release-please[bot]@users.noreply.github.com>
Date: Wed, 7 Jan 2026 15:10:37 +0000
Subject: [PATCH 1/2] chore(main): release 6.106.0
---
CHANGELOG.md | 13 ++++++++++++
benchmarks/pom.xml | 2 +-
google-cloud-spanner-bom/pom.xml | 18 ++++++++---------
google-cloud-spanner-executor/pom.xml | 4 ++--
google-cloud-spanner/pom.xml | 4 ++--
.../pom.xml | 4 ++--
.../pom.xml | 4 ++--
grpc-google-cloud-spanner-executor-v1/pom.xml | 4 ++--
grpc-google-cloud-spanner-v1/pom.xml | 4 ++--
pom.xml | 20 +++++++++----------
.../pom.xml | 4 ++--
.../pom.xml | 4 ++--
.../pom.xml | 4 ++--
proto-google-cloud-spanner-v1/pom.xml | 4 ++--
samples/snapshot/pom.xml | 2 +-
versions.txt | 20 +++++++++----------
16 files changed, 64 insertions(+), 51 deletions(-)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 39dc0616ef..04d1259beb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
# Changelog
+## [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)
diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 1d0e144487..6278b4acf8 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -24,7 +24,7 @@
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/google-cloud-spanner-bom/pom.xml b/google-cloud-spanner-bom/pom.xml
index 0cbdd9c533..62ed716248 100644
--- a/google-cloud-spanner-bom/pom.xml
+++ b/google-cloud-spanner-bom/pom.xml
@@ -3,7 +3,7 @@
4.0.0
com.google.cloud
google-cloud-spanner-bom
- 6.105.1-SNAPSHOT
+ 6.106.0
pom
com.google.cloud
@@ -53,43 +53,43 @@
com.google.cloud
google-cloud-spanner
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.cloud
google-cloud-spanner
test-jar
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/google-cloud-spanner-executor/pom.xml b/google-cloud-spanner-executor/pom.xml
index d6f2b4fb46..fdeb74bc1d 100644
--- a/google-cloud-spanner-executor/pom.xml
+++ b/google-cloud-spanner-executor/pom.xml
@@ -5,14 +5,14 @@
4.0.0
com.google.cloud
google-cloud-spanner-executor
- 6.105.1-SNAPSHOT
+ 6.106.0
jar
Google Cloud Spanner Executor
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/google-cloud-spanner/pom.xml b/google-cloud-spanner/pom.xml
index 43335f03be..90f541fa22 100644
--- a/google-cloud-spanner/pom.xml
+++ b/google-cloud-spanner/pom.xml
@@ -3,7 +3,7 @@
4.0.0
com.google.cloud
google-cloud-spanner
- 6.105.1-SNAPSHOT
+ 6.106.0
jar
Google Cloud Spanner
https://github.com/googleapis/java-spanner
@@ -11,7 +11,7 @@
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
google-cloud-spanner
diff --git a/grpc-google-cloud-spanner-admin-database-v1/pom.xml b/grpc-google-cloud-spanner-admin-database-v1/pom.xml
index 23e99bb19f..eb1188fcc3 100644
--- a/grpc-google-cloud-spanner-admin-database-v1/pom.xml
+++ b/grpc-google-cloud-spanner-admin-database-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
grpc-google-cloud-spanner-admin-database-v1
GRPC library for grpc-google-cloud-spanner-admin-database-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/grpc-google-cloud-spanner-admin-instance-v1/pom.xml b/grpc-google-cloud-spanner-admin-instance-v1/pom.xml
index 262492e8f9..56d8db0cc9 100644
--- a/grpc-google-cloud-spanner-admin-instance-v1/pom.xml
+++ b/grpc-google-cloud-spanner-admin-instance-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
grpc-google-cloud-spanner-admin-instance-v1
GRPC library for grpc-google-cloud-spanner-admin-instance-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/grpc-google-cloud-spanner-executor-v1/pom.xml b/grpc-google-cloud-spanner-executor-v1/pom.xml
index 707b3adbb4..21958a6bca 100644
--- a/grpc-google-cloud-spanner-executor-v1/pom.xml
+++ b/grpc-google-cloud-spanner-executor-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
grpc-google-cloud-spanner-executor-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
grpc-google-cloud-spanner-executor-v1
GRPC library for google-cloud-spanner
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/grpc-google-cloud-spanner-v1/pom.xml b/grpc-google-cloud-spanner-v1/pom.xml
index 65b6bb2414..c7bee65248 100644
--- a/grpc-google-cloud-spanner-v1/pom.xml
+++ b/grpc-google-cloud-spanner-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
grpc-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
grpc-google-cloud-spanner-v1
GRPC library for grpc-google-cloud-spanner-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/pom.xml b/pom.xml
index 23302b655e..885362b94a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
com.google.cloud
google-cloud-spanner-parent
pom
- 6.105.1-SNAPSHOT
+ 6.106.0
Google Cloud Spanner Parent
https://github.com/googleapis/java-spanner
@@ -62,47 +62,47 @@
com.google.api.grpc
proto-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-executor-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-executor-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
proto-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.api.grpc
grpc-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.cloud
google-cloud-spanner
- 6.105.1-SNAPSHOT
+ 6.106.0
com.google.cloud
diff --git a/proto-google-cloud-spanner-admin-database-v1/pom.xml b/proto-google-cloud-spanner-admin-database-v1/pom.xml
index 6d19367998..dec39f5da8 100644
--- a/proto-google-cloud-spanner-admin-database-v1/pom.xml
+++ b/proto-google-cloud-spanner-admin-database-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
proto-google-cloud-spanner-admin-database-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
proto-google-cloud-spanner-admin-database-v1
PROTO library for proto-google-cloud-spanner-admin-database-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/proto-google-cloud-spanner-admin-instance-v1/pom.xml b/proto-google-cloud-spanner-admin-instance-v1/pom.xml
index 748542e9df..2632e216fd 100644
--- a/proto-google-cloud-spanner-admin-instance-v1/pom.xml
+++ b/proto-google-cloud-spanner-admin-instance-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
proto-google-cloud-spanner-admin-instance-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
proto-google-cloud-spanner-admin-instance-v1
PROTO library for proto-google-cloud-spanner-admin-instance-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/proto-google-cloud-spanner-executor-v1/pom.xml b/proto-google-cloud-spanner-executor-v1/pom.xml
index 813aae7cbe..4d67905cc8 100644
--- a/proto-google-cloud-spanner-executor-v1/pom.xml
+++ b/proto-google-cloud-spanner-executor-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
proto-google-cloud-spanner-executor-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
proto-google-cloud-spanner-executor-v1
Proto library for google-cloud-spanner
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/proto-google-cloud-spanner-v1/pom.xml b/proto-google-cloud-spanner-v1/pom.xml
index 6a02b1cfdd..27bd7c6dc7 100644
--- a/proto-google-cloud-spanner-v1/pom.xml
+++ b/proto-google-cloud-spanner-v1/pom.xml
@@ -4,13 +4,13 @@
4.0.0
com.google.api.grpc
proto-google-cloud-spanner-v1
- 6.105.1-SNAPSHOT
+ 6.106.0
proto-google-cloud-spanner-v1
PROTO library for proto-google-cloud-spanner-v1
com.google.cloud
google-cloud-spanner-parent
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index a10833189f..91a6b8b6b6 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -32,7 +32,7 @@
com.google.cloud
google-cloud-spanner
- 6.105.1-SNAPSHOT
+ 6.106.0
diff --git a/versions.txt b/versions.txt
index f4de26adc4..505c652a1d 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,13 +1,13 @@
# Format:
# module:released-version:current-version
-proto-google-cloud-spanner-admin-instance-v1:6.105.0:6.105.1-SNAPSHOT
-proto-google-cloud-spanner-v1:6.105.0:6.105.1-SNAPSHOT
-proto-google-cloud-spanner-admin-database-v1:6.105.0:6.105.1-SNAPSHOT
-grpc-google-cloud-spanner-v1:6.105.0:6.105.1-SNAPSHOT
-grpc-google-cloud-spanner-admin-instance-v1:6.105.0:6.105.1-SNAPSHOT
-grpc-google-cloud-spanner-admin-database-v1:6.105.0:6.105.1-SNAPSHOT
-google-cloud-spanner:6.105.0:6.105.1-SNAPSHOT
-google-cloud-spanner-executor:6.105.0:6.105.1-SNAPSHOT
-proto-google-cloud-spanner-executor-v1:6.105.0:6.105.1-SNAPSHOT
-grpc-google-cloud-spanner-executor-v1:6.105.0:6.105.1-SNAPSHOT
+proto-google-cloud-spanner-admin-instance-v1:6.106.0:6.106.0
+proto-google-cloud-spanner-v1:6.106.0:6.106.0
+proto-google-cloud-spanner-admin-database-v1:6.106.0:6.106.0
+grpc-google-cloud-spanner-v1:6.106.0:6.106.0
+grpc-google-cloud-spanner-admin-instance-v1:6.106.0:6.106.0
+grpc-google-cloud-spanner-admin-database-v1:6.106.0:6.106.0
+google-cloud-spanner:6.106.0:6.106.0
+google-cloud-spanner-executor:6.106.0:6.106.0
+proto-google-cloud-spanner-executor-v1:6.106.0:6.106.0
+grpc-google-cloud-spanner-executor-v1:6.106.0:6.106.0
From d4b9d542a5dc74803e19b586ef9c6065a5a2eb27 Mon Sep 17 00:00:00 2001
From: cloud-java-bot
Date: Wed, 7 Jan 2026 15:13:51 +0000
Subject: [PATCH 2/2] chore: generate libraries at Wed Jan 7 15:11:02 UTC 2026
---
README.md | 6 +++---
.../main/java/com/google/cloud/spanner/SpannerOptions.java | 3 ++-
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/README.md b/README.md
index 125f1375a6..e35193047b 100644
--- a/README.md
+++ b/README.md
@@ -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:6.105.0'
+implementation 'com.google.cloud:google-cloud-spanner:6.106.0'
```
If you are using SBT, add this to your dependencies:
```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.105.0"
+libraryDependencies += "com.google.cloud" % "google-cloud-spanner" % "6.106.0"
```
## 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/6.105.0
+[maven-version-link]: https://central.sonatype.com/artifact/com.google.cloud/google-cloud-spanner/6.106.0
[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
diff --git a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
index 778a8063f1..2e01e3d4ca 100644
--- a/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
+++ b/google-cloud-spanner/src/main/java/com/google/cloud/spanner/SpannerOptions.java
@@ -1679,7 +1679,8 @@ public Builder setExperimentalHost(String host) {
if (this.usePlainText) {
Preconditions.checkArgument(
!host.startsWith("https:"),
- "Please remove the 'https:' protocol prefix from the host string when using plain text communication");
+ "Please remove the 'https:' protocol prefix from the host string when using plain text"
+ + " communication");
if (!host.startsWith("http")) {
host = "http://" + host;
}