Docs: Release notes for v2.1.2

Add notes for LTS TF-Mv2.1.2.

Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Change-Id: I41a42da8391a0d2178abde8264353c25e736585c
diff --git a/docs/conf.py b/docs/conf.py
index 9a35392..825ad1a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -20,7 +20,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'Trusted Firmware-M'
-copyright = '2017-2024, ARM CE-OSS'
+copyright = '2017-2025, ARM CE-OSS'
 author = 'ARM CE-OSS'
 title = 'User Guide'
 
diff --git a/docs/releases/2.1.2.rst b/docs/releases/2.1.2.rst
new file mode 100644
index 0000000..531a893
--- /dev/null
+++ b/docs/releases/2.1.2.rst
@@ -0,0 +1,45 @@
+*************
+Version 2.1.2
+*************
+
+New features
+============
+
+ - Mbed TLS upgrade to v3.6.3.
+
+New platforms supported
+=======================
+
+ - :doc:`MAX32657. </platform/adi/max32657readme>`
+
+Hotfixes
+========
+
+ - Protected Storage content can be lost if the storage is "full", psa_ps_set
+   is attempted and device is reset (twice).
+ - Fix wrapper to properly mark NSPE images as such
+ - SPM: Remove specific section for psa_interface_thread_fn_call
+ - SPM: interrupts: Add missing checks on fih_rc return value
+ - SPM: Services do not unmap IOVECS
+ - SPM: SPM does not return PSA_ERROR on refused psa_connect
+ - SPM: Fixes for invalid connection retention after psa_close
+ - SPM: Fixes for reverse-handle
+
+Known issues
+============
+
+Some open issues are not fixed in this release.
+
+.. list-table::
+  :header-rows: 1
+
+  * - Descriptions
+    - Issue links
+  * - SPM does not automatically unmap mm-iovecs.
+    - https://github.com/TrustedFirmware-M/trusted-firmware-m/issues/20
+
+--------------
+
+ *SPDX-License-Identifier: BSD-3-Clause*
+
+ *SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors*
diff --git a/docs/releases/index.rst b/docs/releases/index.rst
index f071a2f..f3d5888 100644
--- a/docs/releases/index.rst
+++ b/docs/releases/index.rst
@@ -4,6 +4,7 @@
 .. toctree::
     :hidden:
 
+    v2.1.2 <2.1.2>
     v2.1.1 <2.1.1>
     v2.1.0 <2.1.0>
     v2.0.0 <2.0.0>
@@ -14,6 +15,8 @@
 +--------------------------------------+--------------+----------------------------+
 | Version                              | Date         | PSA-arch tag/hash          |
 +======================================+==============+============================+
+| :doc:`v2.1.2 </releases/2.1.2>`      | 2025-04-14   | v23.06_API1.5_ADAC_EAC     |
++--------------------------------------+--------------+----------------------------+
 | :doc:`v2.1.1 </releases/2.1.1>`      | 2024-11-01   | v23.06_API1.5_ADAC_EAC     |
 +--------------------------------------+--------------+----------------------------+
 | :doc:`v2.1.0 </releases/2.1.0>`      | 2024-05-13   | v23.06_API1.5_ADAC_EAC     |
@@ -51,7 +54,9 @@
 +--------------------------------------+-----------------+---------------+
 | Version                              | Feature Freeze  | Release       |
 +======================================+=================+===============+
-| v2.2.0                               | 2025-01-27      | 2025-02-14    |
+| v2.3.0-LTS                           | 2025-10-27      | 2025-11-17    |
++--------------------------------------+-----------------+---------------+
+| v2.4.0                               | 2026-07-13      | 2026-07-24    |
 +--------------------------------------+-----------------+---------------+
 
 Please refer to
@@ -60,4 +65,7 @@
 
 --------------
 
-*Copyright (c) 2020-2024, Arm Limited. All rights reserved.*
+*SPDX-License-Identifier: BSD-3-Clause*
+
+*SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors*
+