diff --git a/.github/conventional-commit-lint.yaml b/.github/conventional-commit-lint.yaml
new file mode 100644
index 000000000..0c96b611f
--- /dev/null
+++ b/.github/conventional-commit-lint.yaml
@@ -0,0 +1,2 @@
+always_check_pr_title: true
+
diff --git a/.github/workflows/asset-release.yml b/.github/workflows/asset-release.yml
index 24a459254..6eb6c3792 100644
--- a/.github/workflows/asset-release.yml
+++ b/.github/workflows/asset-release.yml
@@ -1,10 +1,20 @@
 name: Add Release Assets
 
+permissions:
+    contents: write
+
 on:
     release:
         types: [published]
     workflow_dispatch:
-
+        inputs:
+              tag:
+                  description: 'Tag to generate documentation for'
+                  required: true
+              upload-on-workflow-dispatch:
+                  description: 'Upload assets?'
+                  required: false
+                  default: "false"
 jobs:
     asset:
         runs-on: ${{ matrix.operating-system }}
@@ -19,12 +29,6 @@ jobs:
               name: Get Tag
               run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
 
-            - name: Get release
-              id: get_release
-              uses: bruceadams/get-release@v1.2.2
-              env:
-                GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
             - name: Checkout
               uses: actions/checkout@v2
 
@@ -51,14 +55,12 @@ jobs:
                 zip -d ${fileName} "tests*" || true &&
                 zip -d ${fileName} "examples*" || true
               env:
-                fileName: google-api-php-client-${{ steps.tagName.outputs.tag }}-PHP${{ matrix.php }}.zip
+                fileName: google-api-php-client-${{ inputs.tag || steps.tagName.outputs.tag }}-PHP${{ matrix.php }}.zip
 
             - name: Upload Release Archive
-              uses: actions/upload-release-asset@v1
-              env:
-                GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+              uses: softprops/action-gh-release@v2
+              if: github.ref_type == 'tag' || inputs.upload-on-workflow-dispatch == 'true'
               with:
-                upload_url: ${{ steps.get_release.outputs.upload_url }}
-                asset_path: ./google-api-php-client-${{ steps.tagName.outputs.tag }}-PHP${{ matrix.php }}.zip
-                asset_name: google-api-php-client-${{ steps.tagName.outputs.tag }}-PHP${{ matrix.php }}.zip
-                asset_content_type: application/zip
+                tag_name: ${{ inputs.tag || steps.tagName.outputs.tag }}
+                files: |
+                  ./google-api-php-client-${{ inputs.tag || steps.tagName.outputs.tag }}-PHP${{ matrix.php }}.zip
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a0418c111..8fc4cba90 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.19.0](https://github.com/googleapis/google-api-php-client/compare/v2.18.4...v2.19.0) (2026-01-09)
+
+
+### Features
+
+* Support firebase/php-jwt version 6.0 and 7.0 ([#2696](https://github.com/googleapis/google-api-php-client/issues/2696)) ([70ea42a](https://github.com/googleapis/google-api-php-client/commit/70ea42a6aa29a1321825c3dcda39cf39174390ea))
+
+
+### Bug Fixes
+
+* Upload assets release job ([#2671](https://github.com/googleapis/google-api-php-client/issues/2671)) ([0f56ea7](https://github.com/googleapis/google-api-php-client/commit/0f56ea773cb51cc6131c442d112d7fd630b49b5c))
+
 ## [2.18.4](https://github.com/googleapis/google-api-php-client/compare/v2.18.3...v2.18.4) (2025-09-29)
 
 
diff --git a/composer.json b/composer.json
index 240f9d1c8..22d8c4f96 100644
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
         "php": "^8.1",
         "google/auth": "^1.37",
         "google/apiclient-services": "~0.350",
-        "firebase/php-jwt": "^6.0",
+        "firebase/php-jwt": "^6.0||^7.0",
         "monolog/monolog": "^2.9||^3.0",
         "phpseclib/phpseclib": "^3.0.36",
         "guzzlehttp/guzzle": "^7.4.5",
diff --git a/docs/oauth-web.md b/docs/oauth-web.md
index 18bc5e32b..7d21b5620 100644
--- a/docs/oauth-web.md
+++ b/docs/oauth-web.md
@@ -258,10 +258,10 @@ After completing the OAuth 2.0 flow, you should be redirected to `http://localho
 
 After the web server receives the authorization code, it can exchange the authorization code for an access token.
 
-To exchange an authorization code for an access token, use the `authenticate` method:
+To exchange an authorization code for an access token, use the `fetchAccessTokenWithAuthCode` method:
 
 ```php
-$client->authenticate($_GET['code']);
+$client->fetchAccessTokenWithAuthCode($_GET['code']);
 ```
 
 You can retrieve the access token with the `getAccessToken` method:
@@ -361,7 +361,7 @@ if (! isset($_GET['code'])) {
   $auth_url = $client->createAuthUrl();
   header('Location: ' . filter_var($auth_url, FILTER_SANITIZE_URL));
 } else {
-  $client->authenticate($_GET['code']);
+  $client->fetchAccessTokenWithAuthCode($_GET['code']);
   $_SESSION['access_token'] = $client->getAccessToken();
   $redirect_uri = 'http://' . $_SERVER['HTTP_HOST'] . '/';
   header('Location: ' . filter_var($redirect_uri, FILTER_SANITIZE_URL));
diff --git a/src/Http/REST.php b/src/Http/REST.php
index c3d3270db..ea6eb668b 100644
--- a/src/Http/REST.php
+++ b/src/Http/REST.php
@@ -89,19 +89,6 @@ public static function doExecute(ClientInterface $client, RequestInterface $requ
             }
 
             $response = $e->getResponse();
-            // specific checking for Guzzle 5: convert to PSR7 response
-            if (
-                interface_exists('\GuzzleHttp\Message\ResponseInterface')
-                && $response instanceof \GuzzleHttp\Message\ResponseInterface
-            ) {
-                $response = new Response(
-                    $response->getStatusCode(),
-                    $response->getHeaders() ?: [],
-                    $response->getBody(),
-                    $response->getProtocolVersion(),
-                    $response->getReasonPhrase()
-                );
-            }
         }
 
         return self::decodeHttpResponse($response, $request, $expectedClass);
diff --git a/tests/Google/Http/RESTTest.php b/tests/Google/Http/RESTTest.php
index ef44ed0a2..7b05b0cb4 100644
--- a/tests/Google/Http/RESTTest.php
+++ b/tests/Google/Http/RESTTest.php
@@ -31,6 +31,7 @@ class RESTTest extends BaseTest
      * @var REST $rest
      */
     private $rest;
+    private Request $request;
 
     public function setUp(): void
     {