diff --git a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
index fdf2dec81..5aa48cea7 100644
--- a/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
+++ b/apps/emqx_bridge_mqtt/src/emqx_bridge_mqtt.appup.src
@@ -1,6 +1,5 @@
 %% -*-: erlang -*-
-
-{"4.3.4",
+{VSN,
   [
     {"4.3.3", [
       {load_module, emqx_bridge_mqtt, brutal_purge, soft_purge, []}
diff --git a/apps/emqx_lwm2m/src/emqx_lwm2m.appup.src b/apps/emqx_lwm2m/src/emqx_lwm2m.appup.src
index e9f270397..a25d6cae1 100644
--- a/apps/emqx_lwm2m/src/emqx_lwm2m.appup.src
+++ b/apps/emqx_lwm2m/src/emqx_lwm2m.appup.src
@@ -6,15 +6,19 @@
     [{load_module,emqx_lwm2m_protocol,brutal_purge,soft_purge,[]},
      {load_module,emqx_lwm2m_message,brutal_purge,soft_purge,[]},
      {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[3-5]">>,
+   {<<"4\\.3\\.[3-4]">>,
     [{load_module,emqx_lwm2m_protocol,brutal_purge,soft_purge,[]},
-     {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]}],
+     {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]},
+   {"4.3.5",
+    [{load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]}],
   [{<<"4\\.3\\.[0-1]">>,
     [{restart_application,emqx_lwm2m}]},
    {"4.3.2",
     [{load_module,emqx_lwm2m_protocol,brutal_purge,soft_purge,[]},
      {load_module,emqx_lwm2m_message,brutal_purge,soft_purge,[]},
      {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[3-5]">>,
+   {<<"4\\.3\\.[3-4]">>,
     [{load_module,emqx_lwm2m_protocol,brutal_purge,soft_purge,[]},
-     {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]}]}.
+     {load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]},
+   {"4.3.5",
+    [{load_module,emqx_lwm2m_api,brutal_purge,soft_purge,[]}]}]}.
diff --git a/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src b/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
index c71a78d19..0ed0fee3a 100644
--- a/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
+++ b/apps/emqx_rule_engine/src/emqx_rule_engine.appup.src
@@ -12,7 +12,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.6"]}},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
@@ -22,7 +21,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.5"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -32,7 +30,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.4"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -42,7 +39,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.3"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_actions,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -56,7 +52,6 @@
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {apply,{emqx_stats,cancel_update,[rule_registery_stats]}},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_actions,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]}]},
@@ -66,7 +61,6 @@
      {update,emqx_rule_metrics,{advanced,["4.3.1"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {apply,{emqx_stats,cancel_update,[rule_registery_stats]}},
      {load_module,emqx_rule_actions,brutal_purge,soft_purge,[]},
@@ -96,7 +90,6 @@
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.6"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine_api,brutal_purge,soft_purge,[]}]},
@@ -105,7 +98,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.5"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -115,7 +107,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.4"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_runtime,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -125,7 +116,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.3"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_actions,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -136,7 +126,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.2"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {apply,{emqx_stats,cancel_update,[rule_registery_stats]}},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
@@ -148,7 +137,6 @@
      {load_module,emqx_rule_utils,brutal_purge,soft_purge,[]},
      {update,emqx_rule_metrics,{advanced,["4.3.1"]}},
      {load_module,emqx_rule_events,brutal_purge,soft_purge,[]},
-     {load_module,emqx_rule_funcs,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_engine,brutal_purge,soft_purge,[]},
      {load_module,emqx_rule_registry,brutal_purge,soft_purge,[]},
      {apply,{emqx_stats,cancel_update,[rule_registery_stats]}},
diff --git a/apps/emqx_web_hook/src/emqx_web_hook.appup.src b/apps/emqx_web_hook/src/emqx_web_hook.appup.src
index d90663cca..3f0980b3c 100644
--- a/apps/emqx_web_hook/src/emqx_web_hook.appup.src
+++ b/apps/emqx_web_hook/src/emqx_web_hook.appup.src
@@ -1,11 +1,11 @@
 %% -*- mode: erlang -*-
 {VSN,
-  [{<<"4\\.3\\.[0-2]$">>,
+  [{<<"4\\.3\\.[0-2]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
      {load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook_actions,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[3-7]$">>,
+   {<<"4\\.3\\.[3-7]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
      {load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
@@ -14,14 +14,15 @@
     [{load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
    {"4.3.9",
     [ %% nothing so far
+      %% 4.3.9 is taken by release 4.3.12
     ]},
    {<<".*">>,[]}],
-  [{<<"4\\.3\\.[0-2]$">>,
+  [{<<"4\\.3\\.[0-2]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
      {load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook_actions,brutal_purge,soft_purge,[]}]},
-   {<<"4\\.3\\.[3-7]$">>,
+   {<<"4\\.3\\.[3-7]">>,
     [{apply,{application,stop,[emqx_web_hook]}},
      {load_module,emqx_web_hook_app,brutal_purge,soft_purge,[]},
      {load_module,emqx_web_hook,brutal_purge,soft_purge,[]},
@@ -30,5 +31,6 @@
     [{load_module,emqx_web_hook,brutal_purge,soft_purge,[]}]},
    {"4.3.9",
     [ %% nothing so far
+      %% 4.3.9 is taken by release 4.3.12
     ]},
    {<<".*">>,[]}]}.