doc: release: Add v4.0.0 to the list of supported releases

Add v4.0.0 to the list of supported releases.

Signed-off-by: Mahesh Mahadevan <[email protected]>

Author: mmahadevan108

doc/conf.py

@@ -191,6 +191,7 @@
     "current_version": version,
     "versions": (
         ("latest", "/"),
+        ("4.0.0", "/4.0.0/"),
         ("3.7.0 (LTS)", "/3.7.0/"),
         ("3.6.0", "/3.6.0/"),
         ("2.7.6 (LTS)", "/2.7.6/"),

doc/releases/index.rst

@@ -64,6 +64,8 @@ Supported Releases
 +-----------------+----------------+---------------+
 | `Zephyr 3.6.0`_ | 2024-02-23     | 2024-11-29    |
 +-----------------+----------------+---------------+
+| `Zephyr 4.0.0`_ | 2024-11-15     | 2025-07-18    |
++-----------------+----------------+---------------+
 
 As of 2022-01-01, LTS1 (1.14.x) is not supported and has reached end of life (EOL).
 
@@ -134,3 +136,4 @@ Release notes and migration guides for end-of-life releases of Zephyr RTOS can b
 .. _`Zephyr 2.7.6`: https://docs.zephyrproject.org/2.7.6/
 .. _`Zephyr 3.6.0`: https://docs.zephyrproject.org/3.6.0/
 .. _`Zephyr 3.7.0`: https://docs.zephyrproject.org/3.7.0/
+.. _`Zephyr 4.0.0`: https://docs.zephyrproject.org/4.0.0/