diff --git a/.assets/timeline-gantt.png b/.assets/timeline-gantt.png
index 44c0f13..005c9cd 100644
Binary files a/.assets/timeline-gantt.png and b/.assets/timeline-gantt.png differ
diff --git a/CALENDAR.md b/CALENDAR.md
index a600f0d..9adab1c 100644
--- a/CALENDAR.md
+++ b/CALENDAR.md
@@ -56,8 +56,8 @@ Full untruncated version index.
 |   stable2509-5 | 1.20.5 | 2026-02-12 | 2026-02-12 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-5) |
 |   stable2509-7 | 1.20.7 | 2026-04-13 | 2026-04-16 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-7) |
 |   stable2509-8 | 1.20.8 | 2026-05-15 | 2026-05-15 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-8) |
+|   stable2509-9 | 1.20.9 | 2026-06-11 | 2026-06-11 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-9) |
 |   stable2509-6 | 1.20.6 | 2026-03-09 | 2026-03-12 |  | Planned |
-|   stable2509-9 | 1.20.9 | 2026-06-08 | 2026-06-11 |  | Planned |
 |   stable2509-10 | 1.20.10 | 2026-07-13 | 2026-07-16 |  | Planned |
 |   stable2509-11 | 1.20.11 | 2026-08-10 | 2026-08-13 |  | Planned |
 |   stable2509-12 | 1.20.12 | 2026-09-14 | 2026-09-17 |  | Planned |
diff --git a/README.md b/README.md
index 7a5cce6..360bc3d 100644
--- a/README.md
+++ b/README.md
@@ -37,11 +37,11 @@ Planned and historic release dates:
 |   stable2512-7 | 1.21.7 | 2026-07-20 | 2026-07-23 |  | Planned |
 |   [3 more past, 5 more planned](CALENDAR.md) |  |  | | |
 | **stable2509** | 1.20.0 | 2025-08-18 | 2025-10-08 | 2026-10-02 | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509) |
-|   stable2509-7 | 1.20.7 | 2026-04-13 | 2026-04-16 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-7) |
 |   stable2509-8 | 1.20.8 | 2026-05-15 | 2026-05-15 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-8) |
+|   stable2509-9 | 1.20.9 | 2026-06-11 | 2026-06-11 |  | [Released](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2509-9) |
 |   stable2509-6 | 1.20.6 | 2026-03-09 | 2026-03-12 |  | Planned |
-|   stable2509-9 | 1.20.9 | 2026-06-08 | 2026-06-11 |  | Planned |
-|   [5 more past, 4 more planned](CALENDAR.md) |  |  | | |
+|   stable2509-10 | 1.20.10 | 2026-07-13 | 2026-07-16 |  | Planned |
+|   [6 more past, 3 more planned](CALENDAR.md) |  |  | | |
 | **stable2506** | 1.19.0 | 2025-05-15 | 2025-07-24 | 2026-06-30 | ~~[Deprecated](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2506)~~ |
 |   stable2506-11 | 1.19.11 | 2026-05-07 | 2026-05-07 |  | ~~[Deprecated](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2506-11)~~ |
 |   stable2506-12 | 1.19.12 | 2026-06-10 | 2026-06-10 |  | ~~[Deprecated](https://github.com/paritytech/polkadot-sdk/releases/tag/polkadot-stable2506-12)~~ |
diff --git a/releases-v1.ics b/releases-v1.ics
index 451d595..c8215d7 100644
--- a/releases-v1.ics
+++ b/releases-v1.ics
@@ -1225,17 +1225,17 @@ DESCRIPTION:Release of stable2509-8 (released)\n\nFull Calendar: https://g
 END:VEVENT
 BEGIN:VEVENT
 SUMMARY:stable2509-9 Cutoff
-DTSTART;VALUE=DATE:20260608
-DTEND;VALUE=DATE:20260609
-DESCRIPTION:Cutoff for stable2509-9 (planned)\n\nFull Calendar: https://gi
- thub.com/paritytech/release-registry/blob/main/CALENDAR.md#calendar
+DTSTART;VALUE=DATE:20260611
+DTEND;VALUE=DATE:20260612
+DESCRIPTION:Cutoff for stable2509-9 (released)\n\nFull Calendar: https://g
+ ithub.com/paritytech/release-registry/blob/main/CALENDAR.md#calendar
 END:VEVENT
 BEGIN:VEVENT
 SUMMARY:stable2509-9 Release
 DTSTART;VALUE=DATE:20260611
 DTEND;VALUE=DATE:20260612
-DESCRIPTION:Release of stable2509-9 (planned)\n\nFull Calendar: https://gi
- thub.com/paritytech/release-registry/blob/main/CALENDAR.md#calendar
+DESCRIPTION:Release of stable2509-9 (released)\n\nFull Calendar: https://g
+ ithub.com/paritytech/release-registry/blob/main/CALENDAR.md#calendar
 END:VEVENT
 BEGIN:VEVENT
 SUMMARY:stable2509-10 Cutoff
diff --git a/releases-v1.json b/releases-v1.json
index 7dbcd1e..34f3120 100644
--- a/releases-v1.json
+++ b/releases-v1.json
@@ -1102,13 +1102,12 @@
           },
           {
             "name": "stable2509-9",
-            "cutoff": {
-              "estimated": "2026-06-08"
-            },
+            "cutoff": "2026-06-11",
             "publish": {
-              "estimated": "2026-06-11"
+              "when": "2026-06-11",
+              "tag": "polkadot-stable2509-9"
             },
-            "state": "planned",
+            "state": "released",
             "semver": "1.20.9"
           },
           {