diff --git a/ChangeLog.d/error_const.txt b/ChangeLog.d/error_const.txt
new file mode 100644
index 000000000000..e0086b74cf79
--- /dev/null
+++ b/ChangeLog.d/error_const.txt
@@ -0,0 +1,6 @@
+Features
+   * New functions in the error module return constant strings for
+     high- and low-level error codes, complementing mbedtls_strerror()
+     which constructs a string for any error code, including compound
+     ones, but requires a writable buffer. Contributed by Gaurav Aggarwal
+     in #3176.
diff --git a/ChangeLog.d/max_pathlen.txt b/ChangeLog.d/max_pathlen.txt
new file mode 100644
index 000000000000..08f9c65a8017
--- /dev/null
+++ b/ChangeLog.d/max_pathlen.txt
@@ -0,0 +1,5 @@
+Bugfix
+   * Fix undefined behavior in X.509 certificate parsing if the
+     pathLenConstraint basic constraint value is equal to INT_MAX.
+     The actual effect with almost every compiler is the intended
+     behavior, so this is unlikely to be exploitable anywhere. #3192
diff --git a/ChangeLog.d/md_switch.txt b/ChangeLog.d/md_switch.txt
new file mode 100644
index 000000000000..a4d369b51f18
--- /dev/null
+++ b/ChangeLog.d/md_switch.txt
@@ -0,0 +1,3 @@
+Changes
+   * Combine identical cases in switch statements in md.c. Contributed
+     by irwir in #3208.
diff --git a/ChangeLog.d/ssl_context_info.txt b/ChangeLog.d/ssl_context_info.txt
new file mode 100644
index 000000000000..6a15061faa70
--- /dev/null
+++ b/ChangeLog.d/ssl_context_info.txt
@@ -0,0 +1,3 @@
+Features
+   * The new utility programs/ssl/ssl_context_info prints a human-readable
+     dump of an SSL context saved with mbedtls_ssl_context_save().
diff --git a/ChangeLog.d/ssl_write_certificate_request.txt b/ChangeLog.d/ssl_write_certificate_request.txt
new file mode 100644
index 000000000000..2d3067aba8ec
--- /dev/null
+++ b/ChangeLog.d/ssl_write_certificate_request.txt
@@ -0,0 +1,3 @@
+Changes
+   * Simplify a bounds check in ssl_write_certificate_request(). Contributed
+     by irwir in #3150.