Remove _X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
diff --git a/ChangeLog.d/issue4378.txt b/ChangeLog.d/issue4378.txt
new file mode 100644
index 0000000..f10c23c
--- /dev/null
+++ b/ChangeLog.d/issue4378.txt
@@ -0,0 +1,4 @@
+Removals
+   * Remove the  MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION config.h
+     option. The mbedtls_x509_crt_parse_der_with_ext_cb() is the way to go for
+     for migration path. Fixes #4378.