diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3182ad5e..37be5d343 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,13 @@
+# Beta version (0.99-41)
+
+Streaming:
+- Added speed limit depending on the choice of data transfer mode
+
+# Stable version (0.98-696)
+
+SCPI server:
+- Fixed bug with choosing the type of generated signal
+
 # Beta version (0.98-694)
 
 Bode analyser:
diff --git a/CHANGELOG_Z20.md b/CHANGELOG_Z20.md
index 53d7dfcb3..bf3a6446d 100644
--- a/CHANGELOG_Z20.md
+++ b/CHANGELOG_Z20.md
@@ -1,7 +1,14 @@
-# Beta version (0.98-40)
+# Beta version (0.99-43)
 
-WEB apps:
-- Streaming app released
+- Improved stability
+
+Streaming:
+- Added speed limit depending on the choice of data transfer mode
+
+# Stable version (0.98-5)
+
+SCPI server:
+- Fixed bug with choosing the type of generated signal
 
 # Beta version (0.98-694)