diff --git a/core/.changelog.d/3496.added.1 b/core/.changelog.d/3496.added.1
new file mode 100644
index 000000000..6e208d171
--- /dev/null
+++ b/core/.changelog.d/3496.added.1
@@ -0,0 +1 @@
+Cardano: Added support for Conway certificates
diff --git a/core/.changelog.d/3496.added.2 b/core/.changelog.d/3496.added.2
new file mode 100644
index 000000000..509c632ad
--- /dev/null
+++ b/core/.changelog.d/3496.added.2
@@ -0,0 +1 @@
+Cardano: Added support for tagged sets in CBOR (tag 258)
diff --git a/core/.changelog.d/3496.changed.3 b/core/.changelog.d/3496.changed.3
new file mode 100644
index 000000000..b7d9fb672
--- /dev/null
+++ b/core/.changelog.d/3496.changed.3
@@ -0,0 +1 @@
+Cardano: Increased max URL length to 128 bytes
diff --git a/python/.changelog.d/3496.added.1 b/python/.changelog.d/3496.added.1
new file mode 100644
index 000000000..6e208d171
--- /dev/null
+++ b/python/.changelog.d/3496.added.1
@@ -0,0 +1 @@
+Cardano: Added support for Conway certificates
diff --git a/python/.changelog.d/3496.added.2 b/python/.changelog.d/3496.added.2
new file mode 100644
index 000000000..509c632ad
--- /dev/null
+++ b/python/.changelog.d/3496.added.2
@@ -0,0 +1 @@
+Cardano: Added support for tagged sets in CBOR (tag 258)