CHANGELOG: added missing entries

docs/CHANGELOG.md

@@ -3,18 +3,33 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 
-## [1.2.0] - 2023-03-xx
+## [1.2.0] - 2023-10-xx
 ### Added
 - Added support for ECDH with a KDF, which is used by ECC-based CMS (S/MIME).
+- Added retrieval of OSSL_PKEY_PARAM_ENCODED_PUBLIC_KEY for EC keys and
+  retrieval of TLS-GROUP provider capabilities to enable mTLS authentication
+  (thanks to @rshearman).
+- Added mTLS example to documentation (thanks to @hoinmic).
+- Added missing RAND parameters: 'state' and 'strength' (thanks to @mccarey).
+- Added ability to run tests in a container (thanks to @afreof).
+- Added Visual Studio properties to simplify the Windows build (thanks to
+  @philippun1).
 ### Changed
 - Symmetric operations are disabled by default. In most situations these
   are not needed and cause a huge performance penalty.
-  To enable configure with `--enable-op-digest` or `--enable-op-cipher`.
+  To enable, configure with `--enable-op-digest` or `--enable-op-cipher`.
 ### Removed
 - Removed unofficial support for tpm2-tss < 3.2.0, which do not support
   the openssl 3.x.
 ### Fixed
-- Fixed OSSL_FUNC_KEYMGMT_HAS operations with NULL keys
+- Fixed key export: the private keys are not exportable, which shall fix
+  some TPM-based sign operations (thanks to @fhars).
+- Fixed handle related operations on 32b machines (thanks to @dezgeg).
+- Fixed OSSL_FUNC_KEYMGMT_HAS operations with NULL keys.
+- Fixed a heap exception on some machines (thanks to @philippun1).
+- Fixed build warnings when building on the Fedora Linux.
+- In documentation and tests applied a correct order of providers
+  (thanks to @hoinmic).
 - Modified documentation: the user-space resource manager (abrmd) is almost
   mandatory for complex scenarios such as SSL or X.509 operations.