diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 39cde1e004a..8b56354f345 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -25,7 +25,7 @@ updates:
     directory: "/"
     labels:
       - dependencies
-    target-branch: "3.13"
+    target-branch: "3.14"
     schedule:
       interval: "daily"
     open-pull-requests-limit: 10
@@ -37,7 +37,7 @@ updates:
       - dependency-type: "all"
     labels:
       - dependencies
-    target-branch: "3.13"
+    target-branch: "3.14"
     schedule:
       interval: "daily"
     open-pull-requests-limit: 10
diff --git a/CHANGES.rst b/CHANGES.rst
index ffadc64d140..673985ab3fc 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,6 +10,127 @@
 
 .. towncrier release notes start
 
+3.13.0 (2025-10-06)
+===================
+
+Features
+--------
+
+- Added support for Python 3.14.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`10851`, :issue:`10872`.
+
+
+
+- Added support for free-threading in Python 3.14+ -- by :user:`kumaraditya303`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11466`, :issue:`11464`.
+
+
+
+- Added support for Zstandard (aka Zstd) compression
+  -- by :user:`KGuillaume-chaps`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11161`.
+
+
+
+- Added ``StreamReader.total_raw_bytes`` to check the number of bytes downloaded
+  -- by :user:`robpats`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11483`.
+
+
+
+Bug fixes
+---------
+
+- Fixed pytest plugin to not use deprecated :py:mod:`asyncio` policy APIs.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`10851`.
+
+
+
+- Updated `Content-Disposition` header parsing to handle trailing semicolons and empty parts
+  -- by :user:`PLPeeters`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11243`.
+
+
+
+- Fixed saved ``CookieJar`` failing to be loaded if cookies have ``partitioned`` flag when
+  ``http.cookie`` does not have partitioned cookies supports. -- by :user:`Cycloctane`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11523`.
+
+
+
+
+Improved documentation
+----------------------
+
+- Added ``Wireup`` to third-party libraries -- by :user:`maldoinc`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11233`.
+
+
+
+
+Packaging updates and notes for downstreams
+-------------------------------------------
+
+- The `blockbuster` test dependency is now optional; the corresponding test fixture is disabled when it is unavailable
+  -- by :user:`musicinybrain`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11363`.
+
+
+
+- Added ``riscv64`` build to releases -- by :user:`eshattow`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11425`.
+
+
+
+
+Contributor-facing changes
+--------------------------
+
+
+
+- Fixed ``test_send_compress_text`` failing when alternative zlib implementation
+  is used. (``zlib-ng`` in python 3.14 windows build) -- by :user:`Cycloctane`.
+
+
+  *Related issues and pull requests on GitHub:*
+  :issue:`11546`.
+
+
+
+
+----
+
+
 3.12.15 (2025-07-28)
 ====================
 
diff --git a/CHANGES/11161.feature.rst b/CHANGES/11161.feature.rst
deleted file mode 100644
index 617c4147a38..00000000000
--- a/CHANGES/11161.feature.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Add support for Zstandard (aka Zstd) compression
--- by :user:`KGuillaume-chaps`.
diff --git a/CHANGES/11233.doc.rst b/CHANGES/11233.doc.rst
deleted file mode 100644
index 4d63afa7d88..00000000000
--- a/CHANGES/11233.doc.rst
+++ /dev/null
@@ -1 +0,0 @@
-Added ``Wireup`` to third-party libraries -- by :user:`maldoinc`.
diff --git a/CHANGES/11243.bugfix b/CHANGES/11243.bugfix
deleted file mode 100644
index 98ae195bb16..00000000000
--- a/CHANGES/11243.bugfix
+++ /dev/null
@@ -1,2 +0,0 @@
-Updated `Content-Disposition` header parsing to handle trailing semicolons and empty parts
--- by :user:`PLPeeters`.
diff --git a/tests/test_helpers.py b/tests/test_helpers.py
index 21c25ec38c7..e36b376bd73 100644
--- a/tests/test_helpers.py
+++ b/tests/test_helpers.py
@@ -294,9 +294,9 @@ def test_timeout_handle(loop: asyncio.AbstractEventLoop) -> None:
 
 def test_when_timeout_smaller_second(loop: asyncio.AbstractEventLoop) -> None:
     timeout = 0.1
-    timer = loop.time() + timeout
 
     handle = helpers.TimeoutHandle(loop, timeout)
+    timer = loop.time() + timeout
     start_handle = handle.start()
     assert start_handle is not None
     when = start_handle.when()
@@ -310,9 +310,9 @@ def test_when_timeout_smaller_second_with_low_threshold(
     loop: asyncio.AbstractEventLoop,
 ) -> None:
     timeout = 0.1
-    timer = loop.time() + timeout
 
     handle = helpers.TimeoutHandle(loop, timeout, 0.01)
+    timer = loop.time() + timeout
     start_handle = handle.start()
     assert start_handle is not None
     when = start_handle.when()