diff --git a/.github/workflows/jdk.java.net-uri-list.yml b/.github/workflows/jdk.java.net-uri-list.yml
index 66d96fd..a5c8361 100644
--- a/.github/workflows/jdk.java.net-uri-list.yml
+++ b/.github/workflows/jdk.java.net-uri-list.yml
@@ -10,5 +10,5 @@ jobs:
   list:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - run: $JAVA_HOME_21_X64/bin/java --show-version src/ListOpenJavaDevelopmentKits.java ${{ github.event.inputs.name }}
diff --git a/.github/workflows/jdk.java.net-uri-update.yml b/.github/workflows/jdk.java.net-uri-update.yml
index 213821b..bf6cd9f 100644
--- a/.github/workflows/jdk.java.net-uri-update.yml
+++ b/.github/workflows/jdk.java.net-uri-update.yml
@@ -9,7 +9,7 @@ jobs:
     permissions: write-all
     steps:
       - run: curl --output /dev/null --verbose --head --fail https://jdk.java.net
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - run: $JAVA_HOME_21_X64/bin/java src/ListOpenJavaDevelopmentKits.java > jdk.java.net-uri.properties
       - run: |
           git diff
diff --git a/.github/workflows/manual-all-environments.yml b/.github/workflows/manual-all-environments.yml
index 34042a6..046f4f2 100644
--- a/.github/workflows/manual-all-environments.yml
+++ b/.github/workflows/manual-all-environments.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up default JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-java.net-all.yml b/.github/workflows/manual-java.net-all.yml
index ab3f4a3..af5a9d6 100644
--- a/.github/workflows/manual-java.net-all.yml
+++ b/.github/workflows/manual-java.net-all.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
@@ -43,7 +43,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-java.net-ea-latest.yml b/.github/workflows/manual-java.net-ea-latest.yml
index 51ceda1..da0f1a5 100644
--- a/.github/workflows/manual-java.net-ea-latest.yml
+++ b/.github/workflows/manual-java.net-ea-latest.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-oracle.com-17-archive.yml b/.github/workflows/manual-oracle.com-17-archive.yml
index 434288f..943a974 100644
--- a/.github/workflows/manual-oracle.com-17-archive.yml
+++ b/.github/workflows/manual-oracle.com-17-archive.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-oracle.com-17-latest.yml b/.github/workflows/manual-oracle.com-17-latest.yml
index bf77cdf..1d4f391 100644
--- a/.github/workflows/manual-oracle.com-17-latest.yml
+++ b/.github/workflows/manual-oracle.com-17-latest.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-uri.yml b/.github/workflows/manual-uri.yml
index 65d4f74..1b6f828 100644
--- a/.github/workflows/manual-uri.yml
+++ b/.github/workflows/manual-uri.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ${{ github.event.inputs.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/manual-website-release-version.yml b/.github/workflows/manual-website-release-version.yml
index 16e0b6b..eb5746e 100644
--- a/.github/workflows/manual-website-release-version.yml
+++ b/.github/workflows/manual-website-release-version.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Set up JDK'
         id: setup
         uses: ./
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c411793..9dbf42a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Compile and run test'
         shell: bash
         run: |
@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v4
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: 'Run validation program'
         shell: bash
         run: |
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae5f49b..5de6d85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,9 +8,17 @@ This project uses tags and branches for [release management](https://docs.github
 ## [Unreleased]
 _nothing noteworthy yet_
 
+## [1.5.0] - 2025-09-19
+### Changed
+- Default value of `release` input to Java `25`
+- Use SHA-pinned versions of other actions
+
+## [1.4.2] - 2025-05-23
+- Various improvements
+
 ## [1.4.1] - 2025-03-19
 ### Changed
-- Default value of `release` input to Java `23`
+- Default value of `release` input to Java `24`
 
 ## [1.4.0] - 2024-03-21
 ### Added
@@ -75,7 +83,9 @@ _nothing noteworthy yet_
 ### Added
 - Initial Release
 
-[Unreleased]: https://github.com/oracle-actions/setup-java/compare/v1.4.1...HEAD
+[Unreleased]: https://github.com/oracle-actions/setup-java/compare/v1.5.0...HEAD
+[1.5.0]: https://github.com/oracle-actions/setup-java/compare/v1.4.2...v1.5.0
+[1.4.2]: https://github.com/oracle-actions/setup-java/compare/v1.4.1...v1.4.2
 [1.4.1]: https://github.com/oracle-actions/setup-java/compare/v1.4.0...v1.4.1
 [1.4.0]: https://github.com/oracle-actions/setup-java/compare/v1.3.4...v1.4.0
 [1.3.4]: https://github.com/oracle-actions/setup-java/compare/v1.3.3...v1.3.4
diff --git a/README.md b/README.md
index 25fc319..2d27dca 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ JDKs built by Oracle are [Oracle JDK](https://www.oracle.com/java/technologies/d
 | Input Name            | Default Value | Description                                                     |
 |-----------------------|--------------:|-----------------------------------------------------------------|
 | `website`             |  `oracle.com` | From where the JDK should be downloaded.                        |
-| `release`             |          `24` | Java feature release number or name of an Early-Access project. |
+| `release`             |          `25` | Java feature release number or name of an Early-Access project. |
 | `version`             |      `latest` | An explicit version of a Java release.                          |
 | `install`             |        `true` | Install the downloaded JDK archive file.                        |
 | `install-as-version`  |       _empty_ | Control the value passed as `java-version`                      |
@@ -35,7 +35,7 @@ The following values are supported:
 ### Input `release`
 
 The `release` input denotes a Java feature release number (`21`, `22`, ...) or a name of an Early-Access project (`loom`, ...).
-It defaults to the current General-Availability Release for the Java SE platform., which is `24` as of today.
+It defaults to the current General-Availability Release for the Java SE platform., which is `25` as of today.
 
 Note that websites may offer a different set of available releases.
 For example, `oracle.com` only offers releases of `21` and above; it does not offer Early-Access releases.
@@ -90,11 +90,11 @@ The following examples use the [JDK Script Friendly URLs](https://www.oracle.com
 
 ```yaml
 steps:
-  - name: 'Set up latest Oracle JDK 24'
+  - name: 'Set up latest Oracle JDK 25'
     uses: oracle-actions/setup-java@v1
     with:
       website: oracle.com
-      release: 24
+      release: 25
 ```
 
 ### Download and install a specific version of Oracle JDK
diff --git a/action.yml b/action.yml
index 334ed91..9591c29 100644
--- a/action.yml
+++ b/action.yml
@@ -11,9 +11,9 @@ inputs:
     required: true
     default: 'oracle.com'
   release:
-    description: 'Feature release number or project name, defaults to `24`'
+    description: 'Feature release number or project name, defaults to `25`'
     required: true
-    default: '24'
+    default: '25'
   version:
     description: 'Additional version information, defaults to `latest`'
     required: true
@@ -75,7 +75,7 @@ runs:
         fi
     - name: 'Install Java Development Kit'
       if: ${{ inputs.install  == 'true' }}
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165 # v5.0.0
       with:
         java-version: ${{ steps.download.outputs.version }}
         distribution: jdkfile
diff --git a/jdk.java.net-uri.properties b/jdk.java.net-uri.properties
index 53993c5..0017dd4 100644
--- a/jdk.java.net-uri.properties
+++ b/jdk.java.net-uri.properties
@@ -1,30 +1,24 @@
 #
 # General-Availability Release
 #
-24,24.0.1,linux,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-aarch64_bin.tar.gz
-24,24.0.1,linux,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-x64_bin.tar.gz
-24,24.0.1,macos,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-aarch64_bin.tar.gz
-24,24.0.1,macos,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-x64_bin.tar.gz
-24,24.0.1,windows,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_windows-x64_bin.zip
+25,25,linux,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-aarch64_bin.tar.gz
+25,25,linux,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-x64_bin.tar.gz
+25,25,macos,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-aarch64_bin.tar.gz
+25,25,macos,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-x64_bin.tar.gz
+25,25,windows,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_windows-x64_bin.zip
 #
 # General-Availability Release (Alias)
 #
-24,latest,linux,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-aarch64_bin.tar.gz
-24,latest,linux,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-x64_bin.tar.gz
-24,latest,macos,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-aarch64_bin.tar.gz
-24,latest,macos,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-x64_bin.tar.gz
-24,latest,windows,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_windows-x64_bin.zip
-ga,latest,linux,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-aarch64_bin.tar.gz
-ga,latest,linux,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_linux-x64_bin.tar.gz
-ga,latest,macos,aarch64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-aarch64_bin.tar.gz
-ga,latest,macos,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_macos-x64_bin.tar.gz
-ga,latest,windows,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943138bf3e963e6291ac2/9/GPL/openjdk-24.0.1_windows-x64_bin.zip
-#
-# Soon-Archived Release
-#
-#
-# Soon-Archived Release (Alias)
-#
+25,latest,linux,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-aarch64_bin.tar.gz
+25,latest,linux,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-x64_bin.tar.gz
+25,latest,macos,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-aarch64_bin.tar.gz
+25,latest,macos,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-x64_bin.tar.gz
+25,latest,windows,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_windows-x64_bin.zip
+ga,latest,linux,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-aarch64_bin.tar.gz
+ga,latest,linux,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_linux-x64_bin.tar.gz
+ga,latest,macos,aarch64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-aarch64_bin.tar.gz
+ga,latest,macos,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_macos-x64_bin.tar.gz
+ga,latest,windows,x64=https://download.java.net/java/GA/jdk25/bd75d5f9689641da8e1daabeccb5528b/36/GPL/openjdk-25_windows-x64_bin.zip
 #
 # Early-Access Releases
 #
@@ -38,43 +32,45 @@ ga,latest,windows,x64=https://download.java.net/java/GA/jdk24.0.1/24a58e0e276943
 23,23-valhalla+1-90,macos,aarch64=https://download.java.net/java/early_access/valhalla/1/openjdk-23-valhalla+1-90_macos-aarch64_bin.tar.gz
 23,23-valhalla+1-90,macos,x64=https://download.java.net/java/early_access/valhalla/1/openjdk-23-valhalla+1-90_macos-x64_bin.tar.gz
 23,23-valhalla+1-90,windows,x64=https://download.java.net/java/early_access/valhalla/1/openjdk-23-valhalla+1-90_windows-x64_bin.zip
-24,24-leyden+2-8,linux,x64=https://download.java.net/java/early_access/leyden/2/openjdk-24-leyden+2-8_linux-x64_bin.tar.gz
-24,24-leyden+2-8,macos,aarch64=https://download.java.net/java/early_access/leyden/2/openjdk-24-leyden+2-8_macos-aarch64_bin.tar.gz
-25,25-ea+24,linux,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-aarch64_bin.tar.gz
-25,25-ea+24,linux,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-x64_bin.tar.gz
-25,25-ea+24,macos,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-aarch64_bin.tar.gz
-25,25-ea+24,macos,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-x64_bin.tar.gz
-25,25-ea+24,windows,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_windows-x64_bin.zip
 25,25-loom+1-11,linux,aarch64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_linux-aarch64_bin.tar.gz
 25,25-loom+1-11,linux,x64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_linux-x64_bin.tar.gz
 25,25-loom+1-11,macos,aarch64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_macos-aarch64_bin.tar.gz
 25,25-loom+1-11,macos,x64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_macos-x64_bin.tar.gz
 25,25-loom+1-11,windows,x64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_windows-x64_bin.zip
+26,26-ea+15,linux,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-aarch64_bin.tar.gz
+26,26-ea+15,linux,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-x64_bin.tar.gz
+26,26-ea+15,macos,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-aarch64_bin.tar.gz
+26,26-ea+15,macos,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-x64_bin.tar.gz
+26,26-ea+15,windows,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_windows-x64_bin.zip
+26,26-leydenpremain+1,linux,aarch64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_linux-aarch64_bin.tar.gz
+26,26-leydenpremain+1,linux,x64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_linux-x64_bin.tar.gz
+26,26-leydenpremain+1,macos,aarch64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_macos-aarch64_bin.tar.gz
 #
 # Early-Access Releases (Alias)
 #
-25,latest,linux,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-aarch64_bin.tar.gz
-25,latest,linux,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-x64_bin.tar.gz
-25,latest,macos,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-aarch64_bin.tar.gz
-25,latest,macos,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-x64_bin.tar.gz
-25,latest,windows,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_windows-x64_bin.zip
-ea,latest,linux,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-aarch64_bin.tar.gz
-ea,latest,linux,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-x64_bin.tar.gz
-ea,latest,macos,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-aarch64_bin.tar.gz
-ea,latest,macos,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-x64_bin.tar.gz
-ea,latest,windows,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_windows-x64_bin.zip
-ea,stable,linux,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-aarch64_bin.tar.gz
-ea,stable,linux,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_linux-x64_bin.tar.gz
-ea,stable,macos,aarch64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-aarch64_bin.tar.gz
-ea,stable,macos,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_macos-x64_bin.tar.gz
-ea,stable,windows,x64=https://download.java.net/java/early_access/jdk25/24/GPL/openjdk-25-ea+24_windows-x64_bin.zip
+26,latest,linux,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-aarch64_bin.tar.gz
+26,latest,linux,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-x64_bin.tar.gz
+26,latest,macos,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-aarch64_bin.tar.gz
+26,latest,macos,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-x64_bin.tar.gz
+26,latest,windows,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_windows-x64_bin.zip
+ea,latest,linux,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-aarch64_bin.tar.gz
+ea,latest,linux,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-x64_bin.tar.gz
+ea,latest,macos,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-aarch64_bin.tar.gz
+ea,latest,macos,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-x64_bin.tar.gz
+ea,latest,windows,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_windows-x64_bin.zip
+ea,stable,linux,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-aarch64_bin.tar.gz
+ea,stable,linux,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_linux-x64_bin.tar.gz
+ea,stable,macos,aarch64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-aarch64_bin.tar.gz
+ea,stable,macos,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_macos-x64_bin.tar.gz
+ea,stable,windows,x64=https://download.java.net/java/early_access/jdk26/15/GPL/openjdk-26-ea+15_windows-x64_bin.zip
 jextract,latest,linux,aarch64=https://download.java.net/java/early_access/jextract/22/6/openjdk-22-jextract+6-47_linux-aarch64_bin.tar.gz
 jextract,latest,linux,x64=https://download.java.net/java/early_access/jextract/22/6/openjdk-22-jextract+6-47_linux-x64_bin.tar.gz
 jextract,latest,macos,aarch64=https://download.java.net/java/early_access/jextract/22/6/openjdk-22-jextract+6-47_macos-aarch64_bin.tar.gz
 jextract,latest,macos,x64=https://download.java.net/java/early_access/jextract/22/6/openjdk-22-jextract+6-47_macos-x64_bin.tar.gz
 jextract,latest,windows,x64=https://download.java.net/java/early_access/jextract/22/6/openjdk-22-jextract+6-47_windows-x64_bin.tar.gz
-leyden,latest,linux,x64=https://download.java.net/java/early_access/leyden/2/openjdk-24-leyden+2-8_linux-x64_bin.tar.gz
-leyden,latest,macos,aarch64=https://download.java.net/java/early_access/leyden/2/openjdk-24-leyden+2-8_macos-aarch64_bin.tar.gz
+leydenpremain,latest,linux,aarch64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_linux-aarch64_bin.tar.gz
+leydenpremain,latest,linux,x64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_linux-x64_bin.tar.gz
+leydenpremain,latest,macos,aarch64=https://download.java.net/java/early_access/leyden/1/openjdk-26-leydenpremain+1_macos-aarch64_bin.tar.gz
 loom,latest,linux,aarch64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_linux-aarch64_bin.tar.gz
 loom,latest,linux,x64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_linux-x64_bin.tar.gz
 loom,latest,macos,aarch64=https://download.java.net/java/early_access/loom/1/openjdk-25-loom+1-11_macos-aarch64_bin.tar.gz
diff --git a/src/Download.java b/src/Download.java
index 835efa1..e80eef8 100644
--- a/src/Download.java
+++ b/src/Download.java
@@ -465,7 +465,11 @@ public synchronized Optional<String> findUri(JDK jdk) {
           return Optional.empty();
         }
       }
-      return Optional.ofNullable(URI_MAPPING.getProperty(key));
+      var value = URI_MAPPING.getProperty(key);
+      if (value == null) {
+          GitHub.warn("No URI mapped for key: " + key);
+      }
+      return Optional.ofNullable(value);
     }
   }
 }
diff --git a/src/ListOpenJavaDevelopmentKits.java b/src/ListOpenJavaDevelopmentKits.java
index 448ed4c..083bf13 100644
--- a/src/ListOpenJavaDevelopmentKits.java
+++ b/src/ListOpenJavaDevelopmentKits.java
@@ -40,19 +40,19 @@
 class ListOpenJavaDevelopmentKits {
 
   /** Current General-Availability release number. */
-  static final String GA = System.getProperty("GA", "24");
+  static final String GA = System.getProperty("GA", "25");
 
   /** Current Soon-Archived release number. */
-  static final String SA = System.getProperty("SA", "23");
+  static final String SA = System.getProperty("SA", "");
 
   /** Early-Access Releases, as comma separated names. */
-  static final String EA = System.getProperty("EA", "25,jextract,leyden,loom,valhalla");
+  static final String EA = System.getProperty("EA", "26,jextract,leyden,loom,valhalla");
 
   /** Current "latest" Early-Access Release number. */
-  static final String EA_LATEST = System.getProperty("EA_LATEST", "25");
+  static final String EA_LATEST = System.getProperty("EA_LATEST", "26");
 
   /** Current "stable" Early-Access Release number. */
-  static final String EA_STABLE = System.getProperty("EA_STABLE", "25");
+  static final String EA_STABLE = System.getProperty("EA_STABLE", "26");
 
   /** Include archived releases flag. */
   static final boolean ARCHIVES = Boolean.getBoolean("ARCHIVES");
diff --git a/test/Test.java b/test/Test.java
index 8f18c4e..971604f 100644
--- a/test/Test.java
+++ b/test/Test.java
@@ -29,11 +29,12 @@ public static void main(String[] args) {
   static void checkAllOracleJDKs() {
     System.out.println();
     System.out.println("// oracle.com - latest");
-    checkOracleJDK("24", "latest");
+    checkOracleJDK("25", "latest");
     checkOracleJDK("21", "latest");
 
     System.out.println();
     System.out.println("// oracle.com - archive");
+    Stream.of("24", "24.0.1").forEach(version -> checkOracleJDK("24", version));
     Stream.of("23", "23.0.1").forEach(version -> checkOracleJDK("23", version));
     Stream.of("22", "22.0.1", "22.0.2").forEach(version -> checkOracleJDK("22", version));
     Stream.of("21", "21.0.1", "21.0.2", "21.0.4").forEach(version -> checkOracleJDK("21", version));
@@ -74,12 +75,20 @@ static void checkJavaNetJDK(String release, String version) {
   }
 
   static void checkJDK(String website, Download.JDK jdk) {
-    var uri = Download.Website.find(website).orElseThrow().findUri(jdk).orElseThrow();
+    System.out.println(website + " << " + jdk);
+    var finder = Download.Website.find(website).orElseThrow();
+    var uri = finder.findUri(jdk).orElseThrow();
     try {
       var head = BROWSER.head(uri);
       if (head.statusCode() < 200 || head.statusCode() >= 400) ERRORS.add(head.toString());
       System.out.println(head);
-      System.out.println("      " + BROWSER.browse(uri + ".sha256"));
+      var sha = BROWSER.head(uri + ".sha256");
+      System.out.println(sha);
+      if (sha.statusCode() >= 200 && sha.statusCode() < 400) {
+          System.out.println("  --> " + BROWSER.browse(uri + ".sha256"));
+      } else {
+          System.out.println("  --> <?>");
+      }
     } catch (Exception exception) {
       ERRORS.add(jdk + "\n" + exception);
     }