diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 1928b17501bc2..e86a47b2f9c8f 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -24,10 +24,10 @@ By default, **CHOOSE MASTER ONLY** so your changes will be applied to the next T
 For details, see [tips for choosing the affected versions](https://github.com/pingcap/docs/blob/master/CONTRIBUTING.md#guideline-for-choosing-the-affected-versions).
 
 - [ ] master (the latest development version)
+- [ ] v8.0 (TiDB 8.0 versions)
 - [ ] v7.6 (TiDB 7.6 versions)
 - [ ] v7.5 (TiDB 7.5 versions)
 - [ ] v7.4 (TiDB 7.4 versions)
-- [ ] v7.3 (TiDB 7.3 versions)
 - [ ] v7.1 (TiDB 7.1 versions)
 - [ ] v6.5 (TiDB 6.5 versions)
 - [ ] v6.1 (TiDB 6.1 versions)
diff --git a/README.md b/README.md
index eec8cc6585396..7a11f7d78f8cd 100644
--- a/README.md
+++ b/README.md
@@ -28,28 +28,29 @@ Currently, we maintain the following versions of TiDB documentation in different
 | Branch name | TiDB docs version |
 | :---------|:----------|
 | [`master`](https://github.com/pingcap/docs/tree/master) | The latest development version |
+| [`release-7.6`](https://github.com/pingcap/docs/tree/release-7.6) | 7.6 Development Milestone Release |
 | [`release-7.5`](https://github.com/pingcap/docs/tree/release-7.5) | 7.5 LTS (Long-Term Support) |
 | [`release-7.4`](https://github.com/pingcap/docs/tree/release-7.4) | 7.4 Development Milestone Release |
-| [`release-7.3`](https://github.com/pingcap/docs/tree/release-7.3) | 7.3 Development Milestone Release |
-| [`release-7.2`](https://github.com/pingcap/docs/tree/release-7.2) | 7.2 Development Milestone Release |
+| [`release-7.3`](https://github.com/pingcap/docs/tree/release-7.3) | 7.3 Development Milestone Release (Archived documentation, no longer updated) |
+| [`release-7.2`](https://github.com/pingcap/docs/tree/release-7.2) | 7.2 Development Milestone Release (Archived documentation, no longer updated) |
 | [`release-7.1`](https://github.com/pingcap/docs/tree/release-7.1) | 7.1 LTS (Long-Term Support) version |
-| [`release-7.0`](https://github.com/pingcap/docs/tree/release-7.0) | 7.0 Development Milestone Release |
-| [`release-6.6`](https://github.com/pingcap/docs/tree/release-6.6) | 6.6 Development Milestone Release |
+| [`release-7.0`](https://github.com/pingcap/docs/tree/release-7.0) | 7.0 Development Milestone Release (Archived documentation, no longer updated) |
+| [`release-6.6`](https://github.com/pingcap/docs/tree/release-6.6) | 6.6 Development Milestone Release (Archived documentation, no longer updated) |
 | [`release-6.5`](https://github.com/pingcap/docs/tree/release-6.5) | 6.5 LTS (Long-Term Support) version |
-| [`release-6.4`](https://github.com/pingcap/docs/tree/release-6.4) | 6.4 Development Milestone Release |
-| [`release-6.3`](https://github.com/pingcap/docs/tree/release-6.3) | 6.3 Development Milestone Release |
-| [`release-6.2`](https://github.com/pingcap/docs/tree/release-6.2) | 6.2 Development Milestone Release |
+| [`release-6.4`](https://github.com/pingcap/docs/tree/release-6.4) | 6.4 Development Milestone Release (Archived documentation, no longer updated) |
+| [`release-6.3`](https://github.com/pingcap/docs/tree/release-6.3) | 6.3 Development Milestone Release (Archived documentation, no longer updated) |
+| [`release-6.2`](https://github.com/pingcap/docs/tree/release-6.2) | 6.2 Development Milestone Release (Archived documentation, no longer updated) |
 | [`release-6.1`](https://github.com/pingcap/docs/tree/release-6.1) | 6.1 LTS (Long-Term Support) version |
-| [`release-6.0`](https://github.com/pingcap/docs/tree/release-6.0) | 6.0 Development Milestone Release |
+| [`release-6.0`](https://github.com/pingcap/docs/tree/release-6.0) | 6.0 Development Milestone Release (Archived documentation, no longer updated) |
 | [`release-5.4`](https://github.com/pingcap/docs/tree/release-5.4) | 5.4 stable version |
 | [`release-5.3`](https://github.com/pingcap/docs/tree/release-5.3) | 5.3 stable version |
 | [`release-5.2`](https://github.com/pingcap/docs/tree/release-5.2) | 5.2 stable version |
 | [`release-5.1`](https://github.com/pingcap/docs/tree/release-5.1) | 5.1 stable version |
 | [`release-5.0`](https://github.com/pingcap/docs/tree/release-5.0) | 5.0 stable version |
 | [`release-4.0`](https://github.com/pingcap/docs/tree/release-4.0) | 4.0 stable version |
-| [`release-3.1`](https://github.com/pingcap/docs/tree/release-3.1) | 3.1 stable version |
-| [`release-3.0`](https://github.com/pingcap/docs/tree/release-3.0) | 3.0 stable version |
-| [`release-2.1`](https://github.com/pingcap/docs/tree/release-2.1) | 2.1 stable version |
+| [`release-3.1`](https://github.com/pingcap/docs/tree/release-3.1) | 3.1 stable version (Archived documentation, no longer updated) |
+| [`release-3.0`](https://github.com/pingcap/docs/tree/release-3.0) | 3.0 stable version (Archived documentation, no longer updated) |
+| [`release-2.1`](https://github.com/pingcap/docs/tree/release-2.1) | 2.1 stable version (Archived documentation, no longer updated) |
 
 ## Contributing