Events: Mark events subscriptions as experimental

CMakeLists.txt

@@ -54,7 +54,7 @@ set(UA_LOGLEVEL 300 CACHE STRING "Level at which logs shall be reported")
 option(UA_ENABLE_METHODCALLS "Enable the Method service set" ON)
 option(UA_ENABLE_NODEMANAGEMENT "Enable dynamic addition and removal of nodes at runtime" ON)
 option(UA_ENABLE_SUBSCRIPTIONS "Enable subscriptions support." ON)
-option(UA_ENABLE_SUBSCRIPTIONS_EVENTS "Enable the use of events." OFF)
+option(UA_ENABLE_SUBSCRIPTIONS_EVENTS "Enable the use of events. (EXPERIMENTAL)" OFF)
 option(UA_ENABLE_DISCOVERY "Enable Discovery Service (LDS)" ON)
 option(UA_ENABLE_DISCOVERY_MULTICAST "Enable Discovery Service with multicast support (LDS-ME)" OFF)
 option(UA_ENABLE_AMALGAMATION "Concatenate the library to a single file open62541.h/.c" OFF)

doc/building.rst

@@ -179,7 +179,7 @@ This group contains build options related to the supported OPC UA features.
 **UA_ENABLE_SUBSCRIPTIONS**
    Enable subscriptions
 **UA_ENABLE_SUBSCRIPTIONS_EVENTS**
-    Enable the use of events for subscriptions
+    Enable the use of events for subscriptions. This is a new feature and currently marked as EXPERIMENTAL.
 **UA_ENABLE_METHODCALLS**
    Enable the Method service set
 **UA_ENABLE_NODEMANAGEMENT**