Assemble ChangeLog

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/ChangeLog b/ChangeLog
index 4df6a66..f2c9db3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,28 @@
 Mbed TLS ChangeLog (Sorted per branch, date)
 
+= Mbed TLS 2.28.9 branch released 2024-08-30
+
+Security
+   * Unlike previously documented, enabling MBEDTLS_PSA_HMAC_DRBG_MD_TYPE does
+     not cause the PSA subsystem to use HMAC_DRBG: it uses HMAC_DRBG only when
+     MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG and MBEDTLS_CTR_DRBG_C are disabled.
+
+Bugfix
+   * Fix the build in some configurations when check_config.h is not included.
+     Fix #9152.
+   * Fix issue of redefinition warning messages for _GNU_SOURCE in
+     entropy_poll.c and sha_256.c. There was a build warning during
+     building for linux platform.
+     Resolves #9026
+   * Fix error handling when creating a key in a dynamic secure element
+     (feature enabled by MBEDTLS_PSA_CRYPTO_SE_C). In a low memory condition,
+     the creation could return PSA_SUCCESS but using or destroying the key
+     would not work. Fixes #8537.
+   * Fix a memory leak that could occur when failing to process an RSA
+     key through some PSA functions due to low memory conditions.
+   * Document and enforce the limitation of mbedtls_psa_register_se_key()
+     to persistent keys. Resolves #9253.
+
 = Mbed TLS 2.28.8 branch released 2024-03-28
 
 Features