diff --git a/beta/131.0beta.yml b/beta/131.0beta.yml
index bef8cdc..7e8e3e0 100644
--- a/beta/131.0beta.yml
+++ b/beta/131.0beta.yml
@@ -30,7 +30,7 @@ notes:
   - note: Message window froze after clicking 'mailto:' link containing child elements
     tag: fixed
     bugs: [1914250]
-  - note: '"Mark All Read" on Quick Filter results marked all underlying folder emails read'
+  - note: '"Mark All Read" on Quick Filter results marked all emails in folder as read'
     tag: fixed
     bugs: [1894214]
   - note: Collapsed POP3 account folder was expanded after emptying trash on exit
@@ -89,8 +89,7 @@ notes:
     tag: fixed
     bugs: [1908866]
     group: 3
-  - note: Matrix end-to-end encryption tab in account settings could be shown for XMPP
-      account
+  - note: Matrix end-to-end encryption tab in account settings could show for XMPP account
     tag: fixed
     bugs: [1915199]
     group: 3
diff --git a/release/131.0.yml b/release/131.0.yml
new file mode 100644
index 0000000..80a7394
--- /dev/null
+++ b/release/131.0.yml
@@ -0,0 +1,106 @@
+release:
+  release_date: '2024-10-01'
+  text: |
+    **Thunderbird version 131.0 is available for testing purposes only.**
+
+    **System Requirements:** [Details](/en-US/thunderbird/131.0/system-requirements/)
+
+    - Windows: Windows 10 or later
+    - Mac: macOS 10.15 or later
+    - Linux: GTK+ 3.14 or higher
+
+  import_system_requirements: 128.0beta
+
+notes:
+  # Fixed
+  - note: Event and Task reminders contained incorrect sleep duration units
+    tag: fixed
+    bugs: [1905496]
+  - note: Thunderbird could crash when using return receipt with OWL add-on
+    tag: fixed
+    bugs: [1917218]
+  - note: Thunderbird could crash on startup
+    tag: fixed
+    bugs: [1907691]
+  - note: Opening an EML file with a 'mailto:' link did not work
+    tag: fixed
+    bugs: [1914887]
+  - note: Message window froze after clicking 'mailto:' link containing child elements
+    tag: fixed
+    bugs: [1914250]
+  - note: Saving an EML file that was opened from a file did not work
+    tag: fixed
+    bugs: [1402550]
+  - note: Delete confirmation could appear twice when using shift+delete
+    tag: fixed
+    bugs: [1915255]
+  - note: '"Mark All Read" on Quick Filter results marked all emails in folder as read'
+    tag: fixed
+    bugs: [1894214]
+  - note: Collapsed POP3 account folder was expanded after emptying trash on exit
+    tag: fixed
+    bugs: [1897412]
+  - note: Messages deleted from a cross-folder search view could not be undeleted
+    tag: fixed
+    bugs: [1902597]
+  - note: '"Mark Folder Read" on a cross-folder search marked all underlying folders read'
+    tag: fixed
+    bugs: [1909617]
+  - note: Repairing local folders caused messages in folder to temporarily disappear
+    tag: fixed
+    bugs: [1910168]
+  - note: Repairing an IMAP folder resulted in incorrect total and unread message counts
+    tag: fixed
+    bugs: [1913224]
+  - note: Performance could be degraded when using cards view with tags
+    tag: fixed
+    bugs: [1917993]
+  - note: Unable to "Decrypt and Open" an attached OpenPGP key file
+    tag: fixed
+    bugs: [1917577]
+  - note: Unable to open/view attached OpenPGP encrypted messages
+    tag: fixed
+    bugs: [1837247]
+  - note: Stored draft messages were not encrypted when recipients were not specified
+    tag: fixed
+    bugs: [1919194]
+  - note: 'Quick Filter reset sort type in threaded views sorted by "Order Received" ascending'
+    tag: fixed
+    bugs: [1774455]
+  - note: Changing a saved draft's send identity did not prompt to save the modified message
+    tag: fixed
+    bugs: [1850192]
+  - note: Subject could disappear when replying to a message saved in an EML file
+    tag: fixed
+    bugs: [1910477]
+  - note: '"Attach this image to the message" checkbox not checked when inserting image'
+    tag: fixed
+    bugs: [1917461, 1918774]
+  - note: Display names for SMTP servers could be incorrectly formatted as a date
+    tag: fixed
+    bugs: [1902742]
+  - note: Some users were unable to log in to Microsoft 365
+    tag: fixed
+    bugs: [1908866]
+  - note: OAuth2 authentication method was not available when adding SMTP server
+    tag: fixed
+    bugs: [1917472]
+  - note: Thunderbird crashed when run from flatpak installation
+    tag: fixed
+    bugs: [1909879]
+  - note: Matrix end-to-end encryption tab in account settings could show for XMPP account
+    tag: fixed
+    bugs: [1915199]
+  - note: Participant and message were not populated when user left the room using XMPP
+    tag: fixed
+    bugs: [1914633]
+  - note: Flatpak release notes URL was incorrect
+    tag: fixed
+    bugs: [1907397]
+  - note: Unable to subscribe to .ics calendars in some situations
+    tag: fixed
+    bugs: [1906077]
+  - note: Visual and UX improvements
+    tag: fixed
+    bugs: [1691301, 1904229, 1909247, 1909668, 1910474, 1911603, 1911775, 1912655, 1912727,
+      1912733, 1913329, 1913741, 1913807, 1913889, 1915826, 1916089, 1917787]