diff --git a/_data/builds/swift-6_3-branch/windows10-arm64.yml b/_data/builds/swift-6_3-branch/windows10-arm64.yml
new file mode 100644
index 000000000..3b2c0990c
--- /dev/null
+++ b/_data/builds/swift-6_3-branch/windows10-arm64.yml
@@ -0,0 +1,4 @@
+- date: 2025-12-05 10:10:00-06:00
+  dir: swift-6.3-DEVELOPMENT-SNAPSHOT-2025-12-05-a
+  download: swift-6.3-DEVELOPMENT-SNAPSHOT-2025-12-05-a-windows10-arm64.exe
+  name: Windows 10 Swift Development Snapshot
\ No newline at end of file
diff --git a/_data/builds/swift-6_3-branch/windows10.yml b/_data/builds/swift-6_3-branch/windows10.yml
new file mode 100644
index 000000000..a2f5f03f0
--- /dev/null
+++ b/_data/builds/swift-6_3-branch/windows10.yml
@@ -0,0 +1,4 @@
+- date: 2025-12-05 10:10:00-06:00
+  dir: swift-6.3-DEVELOPMENT-SNAPSHOT-2025-12-05-a
+  download: swift-6.3-DEVELOPMENT-SNAPSHOT-2025-12-05-a-windows10.exe
+  name: Windows 10 Swift Development Snapshot
\ No newline at end of file
diff --git a/_data/new-data/install/linux/dev.yml b/_data/new-data/install/linux/dev.yml
index b65639f57..16107046d 100644
--- a/_data/new-data/install/linux/dev.yml
+++ b/_data/new-data/install/linux/dev.yml
@@ -7,9 +7,9 @@ latest-dev:
       - label: main
         code: |-
           swiftly install main-snapshot
-      - label: release/6.2
+      - label: release/6.3
         code: |-
-          swiftly install 6.2-snapshot
+          swiftly install 6.3-snapshot
     links:
       - href: '/install/linux/swiftly'
         copy: 'Instructions'
\ No newline at end of file
diff --git a/_includes/new-includes/components/android-sdk-dev.html b/_includes/new-includes/components/android-sdk-dev.html
index 092b13769..c124a0c65 100644
--- a/_includes/new-includes/components/android-sdk-dev.html
+++ b/_includes/new-includes/components/android-sdk-dev.html
@@ -1,5 +1,6 @@
 {% assign android_sdk_dev_builds = site.data.builds.development.android-sdk | sort: 'date' | reverse %}
-
+{% assign android_sdk_6_3_dev_builds = site.data.builds.swift-6_3-branch.android-sdk | sort: 'date' | reverse %}
+<div class="releases-grid">
     <div class="release-box section">
         <div class="content">
         <div class="code-box content-wrapper">
@@ -20,4 +21,26 @@ <h2>main</h2>
             </div>
         </div>
         </div>
-    </div>
\ No newline at end of file
+    </div>
+    <div class="release-box section">
+        <div class="content">
+        <div class="code-box content-wrapper">
+            <h2>release/6.3</h2>
+            <p class="body-copy">
+            <small>{{ android_sdk_6_3_dev_builds.first.date | date: '%B %-d, %Y' }}</small><br />
+            {% assign base_url = "https://download.swift.org/swift-6.3-branch/android-sdk/" | append: android_sdk_6_3_dev_builds.first.dir | append: "/" | append: android_sdk_6_3_dev_builds.first.download %}
+            {% assign command = "swift sdk install " | append: base_url | append: " --checksum " | append: android_sdk_6_3_dev_builds.first.checksum %}
+            <button onclick="copyToClipboard(this, '{{ command | escape }}')">
+                Copy install command
+            </button>
+            </p>
+            <div class="link-wrapper">
+            <div class="link-group">
+                <a href="https://download.swift.org/development/android-sdk/{{ android_sdk_6_3_dev_builds.first.dir }}/{{ android_sdk_6_3_dev_builds.first.download }}" class="body-copy">Download</a> |
+                <a href="https://download.swift.org/development/android-sdk/{{ android_sdk_6_3_dev_builds.first.dir }}/{{ android_sdk_6_3_dev_builds.first.download_signature }}" class="body-copy">Signature (PGP)</a>
+            </div>
+            </div>
+        </div>
+        </div>
+    </div>
+</div>
\ No newline at end of file
diff --git a/_includes/new-includes/components/static-linux-sdk-dev.html b/_includes/new-includes/components/static-linux-sdk-dev.html
index 85b9df4c5..592bbce0b 100644
--- a/_includes/new-includes/components/static-linux-sdk-dev.html
+++ b/_includes/new-includes/components/static-linux-sdk-dev.html
@@ -1,5 +1,5 @@
 {% assign static_sdk_dev_builds = site.data.builds.development.static_sdk | sort: 'date' | reverse %}
-{% assign static_sdk_6_2_builds = site.data.builds.swift-6_2-branch.static-sdk | sort: 'date' | reverse %}
+{% assign static_sdk_6_3_builds = site.data.builds.swift-6_3-branch.static-sdk | sort: 'date' | reverse %}
 
 <div class="releases-grid">
     <div class="release-box section">
@@ -26,19 +26,19 @@ <h2>main</h2>
     <div class="release-box section">
         <div class="content">
         <div class="code-box content-wrapper">
-            <h2>release/6.2</h2>
+            <h2>release/6.3</h2>
             <p class="body-copy">
-            <small>{{ static_sdk_6_2_builds.first.date | date: '%B %-d, %Y' }}</small><br />
-            {% assign base_url = "https://download.swift.org/swift-6.2-branch/static-sdk/" | append: static_sdk_6_2_builds.first.dir | append: "/" | append: static_sdk_6_2_builds.first.download %}
-            {% assign command = "swift sdk install " | append: base_url | append: " --checksum " | append: static_sdk_6_2_builds.first.checksum %}
+            <small>{{ static_sdk_6_3_builds.first.date | date: '%B %-d, %Y' }}</small><br />
+            {% assign base_url = "https://download.swift.org/swift-6.3-branch/static-sdk/" | append: static_sdk_6_3_builds.first.dir | append: "/" | append: static_sdk_6_3_builds.first.download %}
+            {% assign command = "swift sdk install " | append: base_url | append: " --checksum " | append: static_sdk_6_3_builds.first.checksum %}
             <button onclick="copyToClipboard(this, '{{ command | escape }}')">
                 Copy install command
             </button>
             </p>
             <div class="link-wrapper">
             <div class="link-group">
-                <a href="https://download.swift.org/swift-6.2-branch/static-sdk/{{ static_sdk_6_2_builds.first.dir }}/{{ static_sdk_6_2_builds.first.download }}" class="body-copy">Download</a> |
-                <a href="https://download.swift.org/swift-6.2-branch/static-sdk/{{ static_sdk_6_2_builds.first.dir }}/{{ static_sdk_6_2_builds.first.download_signature }}" class="body-copy">Signature (PGP)</a>
+                <a href="https://download.swift.org/swift-6.3-branch/static-sdk/{{ static_sdk_6_3_builds.first.dir }}/{{ static_sdk_6_3_builds.first.download }}" class="body-copy">Download</a> |
+                <a href="https://download.swift.org/swift-6.3-branch/static-sdk/{{ static_sdk_6_3_builds.first.dir }}/{{ static_sdk_6_3_builds.first.download_signature }}" class="body-copy">Signature (PGP)</a>
             </div>
             </div>
         </div>
diff --git a/_includes/new-includes/components/wasm-sdk-dev.html b/_includes/new-includes/components/wasm-sdk-dev.html
index 6c602a24c..ea70ecb23 100644
--- a/_includes/new-includes/components/wasm-sdk-dev.html
+++ b/_includes/new-includes/components/wasm-sdk-dev.html
@@ -1,5 +1,5 @@
 {% assign wasm_sdk_dev_builds = site.data.builds.development.wasm-sdk | sort: 'date' | reverse %}
-{% assign wasm_sdk_6_2_builds = site.data.builds.swift-6_2-branch.wasm-sdk | sort: 'date' | reverse %}
+{% assign wasm_sdk_6_3_builds = site.data.builds.swift-6_3-branch.wasm-sdk | sort: 'date' | reverse %}
 
 <div class="releases-grid">
     <div class="release-box section">
@@ -26,19 +26,19 @@ <h2>main</h2>
     <div class="release-box section">
         <div class="content">
         <div class="code-box content-wrapper">
-            <h2>release/6.2</h2>
+            <h2>release/6.3</h2>
             <p class="body-copy">
-            <small>{{ wasm_sdk_6_2_builds.first.date | date: '%B %-d, %Y' }}</small><br />
-            {% assign base_url = "https://download.swift.org/swift-6.2-branch/wasm-sdk/" | append: wasm_sdk_6_2_builds.first.dir | append: "/" | append: wasm_sdk_6_2_builds.first.download %}
-            {% assign command = "swift sdk install " | append: base_url | append: " --checksum " | append: wasm_sdk_6_2_builds.first.checksum %}
+            <small>{{ wasm_sdk_6_3_builds.first.date | date: '%B %-d, %Y' }}</small><br />
+            {% assign base_url = "https://download.swift.org/swift-6.3-branch/wasm-sdk/" | append: wasm_sdk_6_3_builds.first.dir | append: "/" | append: wasm_sdk_6_3_builds.first.download %}
+            {% assign command = "swift sdk install " | append: base_url | append: " --checksum " | append: wasm_sdk_6_3_builds.first.checksum %}
             <button onclick="copyToClipboard(this, '{{ command | escape }}')">
                 Copy install command
             </button>
             </p>
             <div class="link-wrapper">
             <div class="link-group">
-                <a href="https://download.swift.org/swift-6.2-branch/wasm-sdk/{{ wasm_sdk_6_2_builds.first.dir }}/{{ wasm_sdk_6_2_builds.first.download }}" class="body-copy">Download</a> |
-                <a href="https://download.swift.org/swift-6.2-branch/wasm-sdk/{{ wasm_sdk_6_2_builds.first.dir }}/{{ wasm_sdk_6_2_builds.first.download_signature }}" class="body-copy">Signature (PGP)</a>
+                <a href="https://download.swift.org/swift-6.3-branch/wasm-sdk/{{ wasm_sdk_6_3_builds.first.dir }}/{{ wasm_sdk_6_3_builds.first.download }}" class="body-copy">Download</a> |
+                <a href="https://download.swift.org/swift-6.3-branch/wasm-sdk/{{ wasm_sdk_6_3_builds.first.dir }}/{{ wasm_sdk_6_3_builds.first.download_signature }}" class="body-copy">Signature (PGP)</a>
             </div>
             </div>
         </div>
diff --git a/api/v1/install/dev/6.3/amazonlinux2.json b/api/v1/install/dev/6.3/amazonlinux2.json
new file mode 100644
index 000000000..e8cdf13b9
--- /dev/null
+++ b/api/v1/install/dev/6.3/amazonlinux2.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.amazonlinux2 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.amazonlinux2-aarch64 | jsonify}}
+}
diff --git a/api/v1/install/dev/6.3/amazonlinux2023.json b/api/v1/install/dev/6.3/amazonlinux2023.json
new file mode 100644
index 000000000..3a1b6e038
--- /dev/null
+++ b/api/v1/install/dev/6.3/amazonlinux2023.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.amazonlinux2023 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.amazonlinux2023-aarch64 | jsonify}}
+}
diff --git a/api/v1/install/dev/6.3/android-sdk.json b/api/v1/install/dev/6.3/android-sdk.json
new file mode 100644
index 000000000..62c05a904
--- /dev/null
+++ b/api/v1/install/dev/6.3/android-sdk.json
@@ -0,0 +1,4 @@
+---
+layout: none
+---
+{{ site.data.builds.swift-6_3-branch.android-sdk | jsonify }}
\ No newline at end of file
diff --git a/api/v1/install/dev/6.3/debian12.json b/api/v1/install/dev/6.3/debian12.json
new file mode 100644
index 000000000..1e42f91f5
--- /dev/null
+++ b/api/v1/install/dev/6.3/debian12.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.debian12 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.debian12-aarch64 | jsonify }}
+}
diff --git a/api/v1/install/dev/6.3/fedora41.json b/api/v1/install/dev/6.3/fedora41.json
new file mode 100644
index 000000000..57ee9b1bd
--- /dev/null
+++ b/api/v1/install/dev/6.3/fedora41.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.fedora41 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.fedora41-aarch64 | jsonify }}
+}
diff --git a/api/v1/install/dev/6.3/macos.json b/api/v1/install/dev/6.3/macos.json
new file mode 100644
index 000000000..876ae2cfd
--- /dev/null
+++ b/api/v1/install/dev/6.3/macos.json
@@ -0,0 +1,4 @@
+---
+layout: none
+---
+{ "universal": {{ site.data.builds.swift-6_3-branch.xcode | jsonify }}}
diff --git a/api/v1/install/dev/6.3/static-sdk.json b/api/v1/install/dev/6.3/static-sdk.json
new file mode 100644
index 000000000..78fb02f7f
--- /dev/null
+++ b/api/v1/install/dev/6.3/static-sdk.json
@@ -0,0 +1,4 @@
+---
+layout: none
+---
+{{ site.data.builds.swift-6_3-branch.static-sdk | jsonify }}
\ No newline at end of file
diff --git a/api/v1/install/dev/6.3/ubi9.json b/api/v1/install/dev/6.3/ubi9.json
new file mode 100644
index 000000000..8b03bc25b
--- /dev/null
+++ b/api/v1/install/dev/6.3/ubi9.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.ubi9 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.ubi9-aarch64 | jsonify}}
+}
diff --git a/api/v1/install/dev/6.3/ubuntu2204.json b/api/v1/install/dev/6.3/ubuntu2204.json
new file mode 100644
index 000000000..5d517c6b9
--- /dev/null
+++ b/api/v1/install/dev/6.3/ubuntu2204.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.ubuntu2204 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.ubuntu2204-aarch64 | jsonify}}
+}
diff --git a/api/v1/install/dev/6.3/ubuntu2404.json b/api/v1/install/dev/6.3/ubuntu2404.json
new file mode 100644
index 000000000..702a640ae
--- /dev/null
+++ b/api/v1/install/dev/6.3/ubuntu2404.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.ubuntu2404 | jsonify }},
+  "aarch64": {{ site.data.builds.swift-6_3-branch.ubuntu2404-aarch64 | jsonify}}
+}
diff --git a/api/v1/install/dev/6.3/wasm-sdk.json b/api/v1/install/dev/6.3/wasm-sdk.json
new file mode 100644
index 000000000..b1752607d
--- /dev/null
+++ b/api/v1/install/dev/6.3/wasm-sdk.json
@@ -0,0 +1,4 @@
+---
+layout: none
+---
+{{ site.data.builds.swift-6_3-branch.wasm-sdk | jsonify }}
\ No newline at end of file
diff --git a/api/v1/install/dev/6.3/windows10.json b/api/v1/install/dev/6.3/windows10.json
new file mode 100644
index 000000000..9863ab01c
--- /dev/null
+++ b/api/v1/install/dev/6.3/windows10.json
@@ -0,0 +1,6 @@
+---
+layout: none
+---
+{ "x86_64": {{ site.data.builds.swift-6_3-branch.windows10 | jsonify }},
+  "arm64": {{ site.data.builds.swift-6_3-branch.windows10-arm64 | jsonify }}
+}
diff --git a/install/linux/amazonlinux/2/index.md b/install/linux/amazonlinux/2/index.md
index 4f275d1b3..d38f97495 100644
--- a/install/linux/amazonlinux/2/index.md
+++ b/install/linux/amazonlinux/2/index.md
@@ -11,11 +11,11 @@ title: Install Swift
   docker_tag="nightly-amazonlinux2"
   development_builds=site.data.builds.development.amazonlinux2
   aarch64_development_builds=site.data.builds.development.amazonlinux2-aarch64
-  development_2="release/6.2"
-  docker_tag_2="nightly-6.2-amazonlinux2"
-  development_builds_2=site.data.builds.swift-6_2-branch.amazonlinux2
-  aarch64_development_builds_2=site.data.builds.swift-6_2-branch.amazonlinux2-aarch64
-  branch_dir_2="swift-6.2-branch"
+  development_2="release/6.3"
+  docker_tag_2="nightly-6.3-amazonlinux2"
+  development_builds_2=site.data.builds.swift-6_3-branch.amazonlinux2
+  aarch64_development_builds_2=site.data.builds.swift-6_3-branch.amazonlinux2-aarch64
+  branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/debian/12/index.md b/install/linux/debian/12/index.md
index 87289894c..e4129df3f 100644
--- a/install/linux/debian/12/index.md
+++ b/install/linux/debian/12/index.md
@@ -11,11 +11,11 @@ title: Install Swift
     docker_tag="nightly-debian-12"
     development_builds=site.data.builds.development.debian12
     aarch64_development_builds=site.data.builds.development.debian12-aarch64
-    development_2="release/6.2"
-    docker_tag_2="nightly-6.2-debian12"
-    development_builds_2=site.data.builds.swift-6_2-branch.debian12
-    aarch64_development_builds_2=site.data.builds.swift-6_2-branch.debian12-aarch64
-    branch_dir_2="swift-6.2-branch"
+    development_2="release/6.3"
+    docker_tag_2="nightly-6.3-debian12"
+    development_builds_2=site.data.builds.swift-6_3-branch.debian12
+    aarch64_development_builds_2=site.data.builds.swift-6_3-branch.debian12-aarch64
+    branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/fedora/39/index.md b/install/linux/fedora/39/index.md
index 6d59f2b9c..c4ab1dd59 100644
--- a/install/linux/fedora/39/index.md
+++ b/install/linux/fedora/39/index.md
@@ -11,11 +11,11 @@ title: Install Swift
     docker_tag="nightly-fedora-39"
     development_builds=site.data.builds.development.fedora39
     aarch64_development_builds=site.data.builds.development.fedora39-aarch64
-    development_2="release/6.2"
-    docker_tag_2="nightly-6.2-fedora39"
-    development_builds_2=site.data.builds.swift-6_2-branch.fedora39
-    aarch64_development_builds_2=site.data.builds.swift-6_2-branch.fedora39-aarch64
-    branch_dir_2="swift-6.2-branch"
+    development_2="release/6.3"
+    docker_tag_2="nightly-6.3-fedora39"
+    development_builds_2=site.data.builds.swift-6_3-branch.fedora39
+    aarch64_development_builds_2=site.data.builds.swift-6_3-branch.fedora39-aarch64
+    branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/ubi/9/index.md b/install/linux/ubi/9/index.md
index 511dd1a41..cb128956e 100644
--- a/install/linux/ubi/9/index.md
+++ b/install/linux/ubi/9/index.md
@@ -11,11 +11,11 @@ title: Install Swift
     docker_tag="nightly-rhel-ubi9"
     development_builds=site.data.builds.development.ubi9
     aarch64_development_builds=site.data.builds.development.ubi9-aarch64
-    development_2="release/6.2"
-    docker_tag_2="nightly-6.2-rhel-ubi9"
-    development_builds_2=site.data.builds.swift-6_2-branch.ubi9
-    aarch64_development_builds_2=site.data.builds.swift-6_2-branch.ubi9-aarch64
-    branch_dir_2="swift-6.2-branch"
+    development_2="release/6.3"
+    docker_tag_2="nightly-6.3-rhel-ubi9"
+    development_builds_2=site.data.builds.swift-6_3-branch.ubi9
+    aarch64_development_builds_2=site.data.builds.swift-6_3-branch.ubi9-aarch64
+    branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/ubuntu/20_04/index.md b/install/linux/ubuntu/20_04/index.md
index 8eda37fcf..3f9b2c58a 100644
--- a/install/linux/ubuntu/20_04/index.md
+++ b/install/linux/ubuntu/20_04/index.md
@@ -11,11 +11,11 @@ development="main"
 docker_tag="nightly-focal"
 development_builds=site.data.builds.development.ubuntu2004
 aarch64_development_builds=site.data.builds.development.ubuntu2004-aarch64
-development_2="release/6.2"
-docker_tag_2="nightly-6.2-focal"
-development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2004
-aarch64_development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2004-aarch64
-branch_dir_2="swift-6.2-branch"
+development_2="release/6.3"
+docker_tag_2="nightly-6.3-focal"
+development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2004
+aarch64_development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2004-aarch64
+branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/ubuntu/22_04/index.md b/install/linux/ubuntu/22_04/index.md
index 253f9be69..ecadc3690 100644
--- a/install/linux/ubuntu/22_04/index.md
+++ b/install/linux/ubuntu/22_04/index.md
@@ -11,11 +11,11 @@ development="main"
 docker_tag="nightly-jammy"
 development_builds=site.data.builds.development.ubuntu2204
 aarch64_development_builds=site.data.builds.development.ubuntu2204-aarch64
-development_2="release/6.2"
-docker_tag_2="nightly-6.2-jammy"
-development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2204
-aarch64_development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2204-aarch64
-branch_dir_2="swift-6.2-branch"
+development_2="release/6.3"
+docker_tag_2="nightly-6.3-jammy"
+development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2204
+aarch64_development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2204-aarch64
+branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/linux/ubuntu/24_04/index.md b/install/linux/ubuntu/24_04/index.md
index 2c68e2361..5388154ae 100644
--- a/install/linux/ubuntu/24_04/index.md
+++ b/install/linux/ubuntu/24_04/index.md
@@ -11,11 +11,11 @@ development="main"
 docker_tag="nightly-noble"
 development_builds=site.data.builds.development.ubuntu2404
 aarch64_development_builds=site.data.builds.development.ubuntu2404-aarch64
-development_2="release/6.2"
-docker_tag_2="nightly-6.2-noble"
-development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2404
-aarch64_development_builds_2=site.data.builds.swift-6_2-branch.ubuntu2404-aarch64
-branch_dir_2="swift-6.2-branch"
+development_2="release/6.3"
+docker_tag_2="nightly-6.3-noble"
+development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2404
+aarch64_development_builds_2=site.data.builds.swift-6_3-branch.ubuntu2404-aarch64
+branch_dir_2="swift-6.3-branch"
 %}
 
 {% include /new-includes/components/linux-releases.html
diff --git a/install/macos/_older-6_2-snapshots.md b/install/macos/_older-6_3-snapshots.md
similarity index 68%
rename from install/macos/_older-6_2-snapshots.md
rename to install/macos/_older-6_3-snapshots.md
index 42c233d36..cbf6a3e06 100644
--- a/install/macos/_older-6_2-snapshots.md
+++ b/install/macos/_older-6_3-snapshots.md
@@ -5,8 +5,8 @@
         </tr>
     </thead>
     <tbody>
-        {% for build in xcode_6_2_builds | offset:1 | limit:10 %}
-            {% include_relative _old-snapshot.html build=build name="Xcode" platform_dir="xcode" branch_dir="swift-6.2-branch" %}
+        {% for build in xcode_6_3_builds | offset:1 | limit:10 %}
+            {% include_relative _old-snapshot.html build=build name="Xcode" platform_dir="xcode" branch_dir="swift-6.3-branch" %}
         {% endfor %}
     </tbody>
 </table>
diff --git a/install/macos/index.md b/install/macos/index.md
index 0754a17a7..f4ee80df2 100644
--- a/install/macos/index.md
+++ b/install/macos/index.md
@@ -6,7 +6,7 @@ title: Install Swift - macOS
 ---
 
 {% assign xcode_dev_builds = site.data.builds.development.xcode | sort: 'date' | reverse %}
-{% assign xcode_6_2_builds = site.data.builds.swift-6_2-branch.xcode | sort: 'date' | reverse %}
+{% assign xcode_6_3_builds = site.data.builds.swift-6_3-branch.xcode | sort: 'date' | reverse %}
 
 
 <div class="content">
@@ -120,16 +120,16 @@ title: Install Swift - macOS
     <div class="release-box section">
       <div class="content">
         <div class="code-box content-wrapper">
-          <h2>release/6.2</h2>
+          <h2>release/6.3</h2>
           <p class="body-copy">
-            <small>{{ xcode_6_2_builds.first.date | date: '%B %-d, %Y' }}</small><br />
+            <small>{{ xcode_6_3_builds.first.date | date: '%B %-d, %Y' }}</small><br />
             Toolchain package installer (.pkg)
           </p>
           <div class="link-wrapper">
-            <a href="https://download.swift.org/swift-6.2-branch/xcode/{{ xcode_6_2_builds.first.dir }}/{{ xcode_6_2_builds.first.debug_info }}" class="body-copy">Debugging Symbols</a>
+            <a href="https://download.swift.org/swift-6.3-branch/xcode/{{ xcode_6_3_builds.first.dir }}/{{ xcode_6_3_builds.first.debug_info }}" class="body-copy">Debugging Symbols</a>
           </div>
           <div class="link-wrapper">
-            <a href="https://download.swift.org/swift-6.2-branch/xcode/{{ xcode_6_2_builds.first.dir }}/{{ xcode_6_2_builds.first.download }}" class="body-copy">Download Toolchain</a>
+            <a href="https://download.swift.org/swift-6.3-branch/xcode/{{ xcode_6_3_builds.first.dir }}/{{ xcode_6_3_builds.first.download }}" class="body-copy">Download Toolchain</a>
           </div>
         </div>
       </div>
@@ -146,8 +146,8 @@ title: Install Swift - macOS
   <div class="release-box section">
     <div class="content">
         <details class="download" style="margin-bottom: 0;">
-        <summary>Previous Snapshots (release/6.2)</summary>
-        {% include_relative _older-6_2-snapshots.md %}
+        <summary>Previous Snapshots (release/6.3)</summary>
+        {% include_relative _older-6_3-snapshots.md %}
         </details>
     </div>
   </div>
diff --git a/install/windows/index.md b/install/windows/index.md
index 2c8a4f9a0..7dd8cce05 100644
--- a/install/windows/index.md
+++ b/install/windows/index.md
@@ -7,8 +7,8 @@ title: Install Swift - Windows
 
 {% assign windows_dev_builds = site.data.builds.development.windows10 | sort: 'date' | reverse %}
 {% assign windows_arm64_dev_builds = site.data.builds.development.windows10-arm64 | sort: 'date' | reverse %}
-{% assign windows10_6_2_builds = site.data.builds.swift-6_2-branch.windows10 | sort: 'date' | reverse %}
-{% assign windows10_arm64_6_2_builds = site.data.builds.swift-6_2-branch.windows10-arm64 | sort: 'date' | reverse %}
+{% assign windows10_6_3_builds = site.data.builds.swift-6_3-branch.windows10 | sort: 'date' | reverse %}
+{% assign windows10_arm64_6_3_builds = site.data.builds.swift-6_3-branch.windows10-arm64 | sort: 'date' | reverse %}
 {% assign tag = site.data.builds.swift_releases.last.tag %}
 {% assign platform = site.data.builds.swift_releases.last.platforms | where: 'name', 'Windows 10' | first %}
 
@@ -120,17 +120,17 @@ title: Install Swift - Windows
     <div class="release-box section">
       <div class="content">
         <div class="code-box content-wrapper">
-          <h2>release/6.2</h2>
+          <h2>release/6.3</h2>
           <p class="body-copy">
-            <small>{{ windows10_6_2_builds.first.date | date: '%B %-d, %Y' }}</small><br />
+            <small>{{ windows10_6_3_builds.first.date | date: '%B %-d, %Y' }}</small><br />
             Package installers (.exe)
           </p>
           <div class="link-wrapper">
             <div class="link-single">
-              <a href="https://download.swift.org/swift-6.2-branch/windows10/{{ windows10_6_2_builds.first.dir }}/{{ windows10_6_2_builds.first.download }}" class="body-copy">Download (x86_64)</a>
+              <a href="https://download.swift.org/swift-6.3-branch/windows10/{{ windows10_6_3_builds.first.dir }}/{{ windows10_6_3_builds.first.download }}" class="body-copy">Download (x86_64)</a>
             </div>
             <div class="link-single">
-              <a href="https://download.swift.org/swift-6.2-branch/windows10-arm64/{{ windows10_arm64_6_2_builds.first.dir }}/{{ windows10_arm64_6_2_builds.first.download }}" class="body-copy">Download (arm64)</a>
+              <a href="https://download.swift.org/swift-6.3-branch/windows10-arm64/{{ windows10_arm64_6_3_builds.first.dir }}/{{ windows10_arm64_6_3_builds.first.download }}" class="body-copy">Download (arm64)</a>
             </div>
           </div>
         </div>
@@ -148,8 +148,8 @@ title: Install Swift - Windows
   <div class="release-box section">
     <div class="content">
         <details class="download">
-        <summary>Previous Snapshots (release/6.2)</summary>
-        {% include install/_older_snapshots.md builds=windows10_6_2_builds name="windows" platform_dir="windows10" branch_dir="swift-6.2-branch" %}
+        <summary>Previous Snapshots (release/6.3)</summary>
+        {% include install/_older_snapshots.md builds=windows10_6_3_builds name="windows" platform_dir="windows10" branch_dir="swift-6.3-branch" %}
         </details>
     </div>
   </div>