diff --git a/api/URLPattern.json b/api/URLPattern.json
index 9a335dc85c1a2c..09a38670be2a6f 100644
--- a/api/URLPattern.json
+++ b/api/URLPattern.json
@@ -8,6 +8,9 @@
           "web-features:urlpattern"
         ],
         "support": {
+          "bun": {
+            "version_added": "1.3.4"
+          },
           "chrome": {
             "version_added": "95"
           },
@@ -46,6 +49,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -83,6 +89,9 @@
               "web-features:urlpattern"
             ],
             "support": {
+              "bun": {
+                "version_added": "1.3.4"
+              },
               "chrome": {
                 "version_added": "107"
               },
@@ -122,6 +131,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -160,6 +172,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -198,6 +213,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "122"
             },
@@ -236,6 +254,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -274,6 +295,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -312,6 +336,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -350,6 +377,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -388,6 +418,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -426,6 +459,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -464,6 +500,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
@@ -502,6 +541,9 @@
             "web-features:urlpattern"
           ],
           "support": {
+            "bun": {
+              "version_added": "1.3.4"
+            },
             "chrome": {
               "version_added": "95"
             },
diff --git a/browsers/bun.json b/browsers/bun.json
index c174c7cd4021ee..cab3f333cf805f 100644
--- a/browsers/bun.json
+++ b/browsers/bun.json
@@ -755,6 +755,13 @@
         "1.3.3": {
           "release_date": "2025-11-21",
           "release_notes": "https://bun.com/blog/release-notes/bun-v1.3.3",
+          "status": "retired",
+          "engine": "WebKit",
+          "engine_version": "623.1.7"
+        },
+        "1.3.4": {
+          "release_date": "2025-12-07",
+          "release_notes": "https://bun.com/blog/release-notes/bun-v1.3.4",
           "status": "current",
           "engine": "WebKit",
           "engine_version": "623.1.7"