diff --git a/docs/dvl/dvl-a250_a100-changelog.md b/docs/dvl/dvl-a250_a100-changelog.md
index 3a6b61b..37c03c8 100644
--- a/docs/dvl/dvl-a250_a100-changelog.md
+++ b/docs/dvl/dvl-a250_a100-changelog.md
@@ -4,6 +4,19 @@ This page applies to DVL A100 and DVL A250.
 
 See [Software updates](./sw-update.md) for more information on software updates.
 
+## 3.4.0 (2026-07-02)
+
+- Add support for A100
+- Add periodic cycling configuration
+- Accessibility improvement (WCAG2 Compliant)
+- Improve dead-reckoning positioning
+
+## 3.3.0 (2026-06-18)
+
+- Add water tracking (experimental)
+- Improve dead-reckoning positioning
+- Time API v2
+
 ## 3.2.0 (2026-03)
 
-- Initial public release
\ No newline at end of file
+- Initial public release