Add "since" attributes in xml for new functions and modules

introduced after OTP_R13B03.

16 files changed, 164 insertions, 164 deletions

diff --git a/lib/kernel/doc/src/application.xml b/lib/kernel/doc/src/application.xml
index 38c7b5acf1..ec5d081676 100644
--- a/lib/kernel/doc/src/application.xml
+++ b/lib/kernel/doc/src/application.xml
@@ -67,8 +67,8 @@
   </datatypes>
   <funcs>
     <func>
-        <name name="ensure_all_started" arity="1"/>
-        <name name="ensure_all_started" arity="2"/>
+        <name name="ensure_all_started" arity="1" since="OTP R16B02"/>
+        <name name="ensure_all_started" arity="2" since="OTP R16B02"/>
         <fsummary>Load and start an application and its dependencies, recursively.</fsummary>
         <desc>
           <p>Equivalent to calling
@@ -85,8 +85,8 @@
         </desc>
     </func>
     <func>
-      <name name="ensure_started" arity="1"/>
-      <name name="ensure_started" arity="2"/>
+      <name name="ensure_started" arity="1" since="OTP R16B01"/>
+      <name name="ensure_started" arity="2" since="OTP R16B01"/>
       <fsummary>Load and start an application.</fsummary>
       <desc>
 	<p>Equivalent to
@@ -153,7 +153,7 @@
       </desc>
     </func>
     <func>
-      <name name="get_env" arity="3"/>
+      <name name="get_env" arity="3" since="OTP R16B"/>
       <fsummary>Get the value of a configuration parameter using a default.</fsummary>
       <desc>
         <p>Works like <seealso marker="#get_env/2"><c>get_env/2</c></seealso> but returns
diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml
index aff3e8133c..8dae6d90f3 100644
--- a/lib/kernel/doc/src/code.xml
+++ b/lib/kernel/doc/src/code.xml
@@ -507,7 +507,7 @@ zip:create("mnesia-4.4.7.ez",
       </desc>
     </func>
     <func>
-      <name name="atomic_load" arity="1"/>
+      <name name="atomic_load" arity="1" since="OTP 19.0"/>
       <fsummary>Load a list of modules atomically</fsummary>
       <desc>
         <p>Tries to load all of the modules in the list
@@ -566,7 +566,7 @@ ok = code:finish_loading(Prepared),
       </desc>
     </func>
     <func>
-      <name name="prepare_loading" arity="1"/>
+      <name name="prepare_loading" arity="1" since="OTP 19.0"/>
       <fsummary>Prepare a list of modules atomically</fsummary>
       <desc>
         <p>Prepares to load the modules in the list
@@ -598,7 +598,7 @@ ok = code:finish_loading(Prepared),
       </desc>
     </func>
     <func>
-      <name name="finish_loading" arity="1"/>
+      <name name="finish_loading" arity="1" since="OTP 19.0"/>
       <fsummary>Finish loading a list of prepared modules atomically</fsummary>
       <desc>
         <p>Tries to load code for all modules that have been previously
@@ -627,7 +627,7 @@ ok = code:finish_loading(Prepared),
       </desc>
     </func>
     <func>
-      <name name="ensure_modules_loaded" arity="1"/>
+      <name name="ensure_modules_loaded" arity="1" since="OTP 19.0"/>
       <fsummary>Ensure that a list of modules is loaded</fsummary>
       <desc>
         <p>Tries to load any modules not already loaded in the list
@@ -901,7 +901,7 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]),
       </desc>
     </func>
     <func>
-      <name name="module_status" arity="1"/>
+      <name name="module_status" arity="1" since="OTP 20.0"/>
       <fsummary>Return the status of the module in relation to object file on disk.</fsummary>
       <desc>
 	<p>Returns:</p>
@@ -934,7 +934,7 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]),
       </desc>
     </func>
     <func>
-      <name name="modified_modules" arity="0"/>
+      <name name="modified_modules" arity="0" since="OTP 20.0"/>
       <fsummary>Return a list of all modules modified on disk.</fsummary>
       <desc>
         <p>Returns the list of all currently loaded modules for which
@@ -961,7 +961,7 @@ rpc:call(Node, code, load_binary, [Module, Filename, Binary]),
     </func>
 
     <func>
-      <name name="get_mode" arity="0"/>
+      <name name="get_mode" arity="0" since="OTP R16B"/>
       <fsummary>The mode of the code server.</fsummary>
       <desc>
         <p>Returns an atom describing the mode of the code server:
diff --git a/lib/kernel/doc/src/erl_epmd.xml b/lib/kernel/doc/src/erl_epmd.xml
index 8b076cd2d7..2adbf11a28 100644
--- a/lib/kernel/doc/src/erl_epmd.xml
+++ b/lib/kernel/doc/src/erl_epmd.xml
@@ -28,7 +28,7 @@
     <date>2018-02-19</date>
     <rev>A</rev>
   </header>
-  <module>erl_epmd</module>
+  <module since="OTP R14B">erl_epmd</module>
   <modulesummary>
     Erlang interface towards epmd
   </modulesummary>
@@ -41,7 +41,7 @@
 
   <funcs>
     <func>
-      <name name="start_link" arity="0"/>
+      <name name="start_link" arity="0" since="OTP 21.0"/>
       <fsummary>Callback for erl_distribution supervisor.</fsummary>
       <desc>
         <p>This function is invoked as this module is added as a child of the
@@ -50,8 +50,8 @@
     </func>
 
     <func>
-      <name name="register_node" arity="2"/>
-      <name name="register_node" arity="3"/>
+      <name name="register_node" arity="2" since="OTP 21.0"/>
+      <name name="register_node" arity="3" since="OTP 21.0"/>
       <fsummary>Registers the node with <c>epmd</c>.</fsummary>
       <desc>
         <p>Registers the node with <c>epmd</c> and tells epmd what port will be
@@ -62,8 +62,8 @@
     </func>
 
     <func>
-      <name name="port_please" arity="2"/>
-      <name name="port_please" arity="3"/>
+      <name name="port_please" arity="2" since="OTP 21.0"/>
+      <name name="port_please" arity="3" since="OTP 21.0"/>
       <fsummary>Returns the port number for a given node.</fsummary>
       <desc>
         <p>Requests the distribution port for the given node of an EPMD
@@ -73,7 +73,7 @@
     </func>
 
     <func>
-      <name name="address_please" arity="3"/>
+      <name name="address_please" arity="3" since="OTP 21.0"/>
       <fsummary>Returns address and port.</fsummary>
       <desc>
         <p>Called by the distribution module. Resolves the <c>Host</c> to an IP
@@ -84,7 +84,7 @@
     </func>
 
     <func>
-      <name name="names" arity="1"/>
+      <name name="names" arity="1" since="OTP 21.0"/>
       <fsummary>Names of Erlang nodes at a host.</fsummary>
       <desc>
         <p>Called by <seealso marker="net_adm"><c>net_adm:names/0</c></seealso>.
diff --git a/lib/kernel/doc/src/error_handler.xml b/lib/kernel/doc/src/error_handler.xml
index e5639487dc..28d15d0b67 100644
--- a/lib/kernel/doc/src/error_handler.xml
+++ b/lib/kernel/doc/src/error_handler.xml
@@ -38,7 +38,7 @@
   </description>
   <funcs>
     <func>
-      <name name="raise_undef_exception" arity="3"/>
+      <name name="raise_undef_exception" arity="3" since="OTP R16B"/>
       <fsummary>Raise an undef exception.</fsummary>
       <type_desc variable="Args">
         A (possibly empty) list of arguments <c>Arg1,..,ArgN</c>
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml
index c3d68fd79f..8cb3e2ce16 100644
--- a/lib/kernel/doc/src/error_logger.xml
+++ b/lib/kernel/doc/src/error_logger.xml
@@ -191,7 +191,7 @@ ok</pre>
       </desc>
     </func>
     <func>
-      <name name="get_format_depth" arity="0"/>
+      <name name="get_format_depth" arity="0" since="OTP 20.0"/>
       <fsummary>Get the value of the Kernel application variable
                 <c>error_logger_format_depth</c>.</fsummary>
       <desc>
diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml
index 9acaf6b41e..87ac8071c6 100644
--- a/lib/kernel/doc/src/file.xml
+++ b/lib/kernel/doc/src/file.xml
@@ -186,7 +186,7 @@
 
   <funcs>
     <func>
-      <name name="advise" arity="4"/>
+      <name name="advise" arity="4" since="OTP R14B"/>
       <fsummary>Predeclare an access pattern for file data.</fsummary>
       <type name="posix_file_advise"/>
       <desc>
@@ -197,7 +197,7 @@
       </desc>
     </func>
     <func>
-      <name name="allocate" arity="3"/>
+      <name name="allocate" arity="3" since="OTP R16B"/>
       <fsummary>Allocate file space.</fsummary>
       <desc>
         <p><c>allocate/3</c> can be used to preallocate space for a file.</p>
@@ -217,7 +217,7 @@
       </desc>
     </func>
     <func>
-      <name name="change_mode" arity="2"/>
+      <name name="change_mode" arity="2" since="OTP R14B"/>
       <fsummary>Change permissions of a file.</fsummary>
       <desc>
         <p>Changes permissions of a file. See
@@ -346,7 +346,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="datasync" arity="1"/>
+      <name name="datasync" arity="1" since="OTP R14B"/>
       <fsummary>Synchronize the in-memory data of a file, ignoring most of its metadata, with that on the physical medium.</fsummary>
       <desc>
         <p>Ensures that any buffers kept by the operating system
@@ -578,7 +578,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="list_dir_all" arity="1"/>
+      <name name="list_dir_all" arity="1" since="OTP R16B"/>
       <fsummary>List all files in a directory.</fsummary>
       <desc>
         <p><marker id="list_dir_all"/>Lists all the files in a directory,
@@ -702,7 +702,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="native_name_encoding" arity="0"/>
+      <name name="native_name_encoding" arity="0" since="OTP R14B01"/>
       <fsummary>Return the configured filename encoding of the VM.</fsummary>
       <desc>
 	<p><marker id="native_name_encoding"/>Returns
@@ -1408,7 +1408,7 @@ f.txt:  {person, "kalle", 25}.
     </func>
     <func>
       <name name="read_file_info" arity="1"/>
-      <name name="read_file_info" arity="2"/>
+      <name name="read_file_info" arity="2" since="OTP R15B"/>
       <fsummary>Retrieve information about a file.</fsummary>
       <desc>
         <p>Retrieves information about a file. Returns
@@ -1649,7 +1649,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="read_link_all" arity="1"/>
+      <name name="read_link_all" arity="1" since="OTP R16B"/>
       <fsummary>See what a link is pointing to.</fsummary>
       <desc>
         <p>Returns <c>{ok, <anno>Filename</anno>}</c> if
@@ -1678,7 +1678,7 @@ f.txt:  {person, "kalle", 25}.
     </func>
     <func>
       <name name="read_link_info" arity="1"/>
-      <name name="read_link_info" arity="2"/>
+      <name name="read_link_info" arity="2" since="OTP R15B"/>
       <fsummary>Retrieve information about a link or file.</fsummary>
       <desc>
 	<p>Works like
@@ -1807,7 +1807,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="sendfile" arity="2"/>
+      <name name="sendfile" arity="2" since="OTP R15B"/>
       <fsummary>Send a file to a socket.</fsummary>
       <desc>
         <p>Sends the file <c>Filename</c> to <c>Socket</c>.
@@ -1816,7 +1816,7 @@ f.txt:  {person, "kalle", 25}.
       </desc>
     </func>
     <func>
-      <name name="sendfile" arity="5"/>
+      <name name="sendfile" arity="5" since="OTP R15B"/>
       <fsummary>Send a file to a socket.</fsummary>
       <type name="sendfile_option"/>
       <desc>
@@ -1990,7 +1990,7 @@ f.txt:  {person, "kalle", 25}.
     </func>
     <func>
       <name name="write_file_info" arity="2"/>
-      <name name="write_file_info" arity="3"/>
+      <name name="write_file_info" arity="3" since="OTP R15B"/>
       <fsummary>Change file information.</fsummary>
       <desc>
         <p>Changes file information. Returns <c>ok</c> if successful,
diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml
index 1e08b25f66..591079aef8 100644
--- a/lib/kernel/doc/src/gen_sctp.xml
+++ b/lib/kernel/doc/src/gen_sctp.xml
@@ -213,7 +213,7 @@ connect(Socket, Ip, Port>,
     </func>
 
     <func>
-      <name name="connect_init" arity="4"/>
+      <name name="connect_init" arity="4" since="OTP R13B04"/>
       <fsummary>Same as <c>connect_init(Socket, Addr, Port, Opts, infinity)</c>..</fsummary>
       <desc>
         <p>Same as <c>connect_init(<anno>Socket</anno>, <anno>Addr</anno>,
@@ -222,7 +222,7 @@ connect(Socket, Ip, Port>,
     </func>
 
     <func>
-      <name name="connect_init" arity="5"/>
+      <name name="connect_init" arity="5" since="OTP R13B04"/>
       <fsummary>Initiate a new association for socket <c>Socket</c>, with a
         peer (SCTP server socket).</fsummary>
       <desc>
@@ -366,7 +366,7 @@ connect(Socket, Ip, Port>,
     </func>
 
     <func>
-      <name name="peeloff" arity="2"/>
+      <name name="peeloff" arity="2" since="OTP R15B"/>
       <fsummary>Peel off a type <c>stream</c> socket from a type
         <c>seqpacket</c> one.</fsummary>
       <desc>
diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml
index ad1a2ffeb9..8c4fcbaacd 100644
--- a/lib/kernel/doc/src/heart.xml
+++ b/lib/kernel/doc/src/heart.xml
@@ -154,7 +154,7 @@
     </func>
 
     <func>
-      <name name="set_callback" arity="2"/>
+      <name name="set_callback" arity="2" since="OTP 18.3"/>
       <fsummary>Set a validation callback</fsummary>
       <desc>
           <p> This validation callback will be executed before any
@@ -166,14 +166,14 @@
       </desc>
     </func>
     <func>
-      <name name="clear_callback" arity="0"/>
+      <name name="clear_callback" arity="0" since="OTP 18.3"/>
       <fsummary>Clear the validation callback</fsummary>
       <desc>
           <p>Removes the validation callback call before heartbeats.</p>
       </desc>
     </func>
     <func>
-      <name name="get_callback" arity="0"/>
+      <name name="get_callback" arity="0" since="OTP 18.3"/>
       <fsummary>Get the validation callback</fsummary>
       <desc>
           <p>Get the validation callback. If the callback is cleared, <c>none</c> will be returned.</p>
@@ -181,7 +181,7 @@
     </func>
 
     <func>
-        <name name="set_options" arity="1"/>
+        <name name="set_options" arity="1" since="OTP 18.3"/>
         <fsummary>Set a list of options</fsummary>
         <desc>
             <p> Valid options <c>set_options</c> are: </p>
@@ -199,7 +199,7 @@
         </desc>
     </func>
     <func>
-      <name name="get_options" arity="0"/>
+      <name name="get_options" arity="0" since="OTP 18.3"/>
       <fsummary>Get the temporary reboot command</fsummary>
       <desc>
           <p>Returns <c>{ok, Options}</c> where <c>Options</c> is a list of current options enabled for heart.
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index 87b08e4e36..8e7ca99084 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -394,7 +394,7 @@ fe80::204:acff:fe17:bf38
     </func>
 
     <func>
-      <name name="getifaddrs" arity="0"/>
+      <name name="getifaddrs" arity="0" since="OTP R14B01"/>
       <fsummary>Return a list of interfaces and their addresses.</fsummary>
       <desc>
         <p>
@@ -416,7 +416,7 @@ fe80::204:acff:fe17:bf38
     </func>
 
     <func>
-      <name>getifaddrs(Opts) ->
+      <name since="OTP 21.2">getifaddrs(Opts) ->
         {ok, [{Ifname, Ifopts}]} | {error, Posix}
       </name>
       <fsummary>Return a list of interfaces and their addresses.</fsummary>
@@ -586,9 +586,9 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="i" arity="0" />
-      <name name="i" arity="1" />
-      <name name="i" arity="2" />
+      <name name="i" arity="0"  since="OTP 21.0"/>
+      <name name="i" arity="1"  since="OTP 21.0"/>
+      <name name="i" arity="2"  since="OTP 21.0"/>
       <fsummary>Displays information and statistics about sockets on the terminal</fsummary>
       <desc>
         <p>
@@ -641,7 +641,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="ntoa" arity="1" />
+      <name name="ntoa" arity="1"  since="OTP R16B02"/>
       <fsummary>Convert IPv6/IPV4 address to ASCII.</fsummary>
       <desc>
 	<p>Parses an
@@ -651,7 +651,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_address" arity="1" />
+      <name name="parse_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv4 or IPv6 address.</fsummary>
       <desc>
 	<p>Parses an IPv4 or IPv6 address string and returns an
@@ -662,7 +662,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_ipv4_address" arity="1" />
+      <name name="parse_ipv4_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv4 address.</fsummary>
       <desc>
 	<p>Parses an IPv4 address string and returns an
@@ -672,7 +672,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_ipv4strict_address" arity="1" />
+      <name name="parse_ipv4strict_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv4 address strict.</fsummary>
       <desc>
 	<p>Parses an IPv4 address string containing four fields, that is,
@@ -683,7 +683,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_ipv6_address" arity="1" />
+      <name name="parse_ipv6_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv6 address.</fsummary>
       <desc>
 	<p>Parses an IPv6 address string and returns an
@@ -694,7 +694,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_ipv6strict_address" arity="1" />
+      <name name="parse_ipv6strict_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv6 address strict.</fsummary>
       <desc>
 	<p>Parses an IPv6 address string and returns an
@@ -704,7 +704,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="ipv4_mapped_ipv6_address" arity="1" />
+      <name name="ipv4_mapped_ipv6_address" arity="1"  since="OTP 21.0"/>
       <fsummary>Convert to and from IPv4-mapped IPv6 address.</fsummary>
       <desc>
 	<p>
@@ -717,7 +717,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="parse_strict_address" arity="1" />
+      <name name="parse_strict_address" arity="1"  since="OTP R16B"/>
       <fsummary>Parse an IPv4 or IPv6 address strict.</fsummary>
       <desc>
 	<p>Parses an IPv4 or IPv6 address string and returns an
@@ -741,7 +741,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="peernames" arity="1"/>
+      <name name="peernames" arity="1" since="OTP R16B03"/>
       <fsummary>Return all address/port numbers for the other end of a
         connection.</fsummary>
       <desc>
@@ -755,7 +755,7 @@ get_tcpi_sacked(Sock) ->
     </func>
 
     <func>
-      <name name="peernames" arity="2"/>
+      <name name="peernames" arity="2" since="OTP R16B03"/>
       <fsummary>Return all address/port numbers for the other end of a
         connection.</fsummary>
       <desc>
@@ -1499,7 +1499,7 @@ inet:setopts(Sock,[{raw,6,8,<<30:32/native>>}]),]]></code>
     </func>
 
     <func>
-      <name name="socknames" arity="1"/>
+      <name name="socknames" arity="1" since="OTP R16B03"/>
       <fsummary>Return all local address/port numbers for a socket.</fsummary>
       <desc>
 	<p>Equivalent to
@@ -1509,7 +1509,7 @@ inet:setopts(Sock,[{raw,6,8,<<30:32/native>>}]),]]></code>
     </func>
 
     <func>
-      <name name="socknames" arity="2"/>
+      <name name="socknames" arity="2" since="OTP R16B03"/>
       <fsummary>Return all local address/port numbers for a socket.</fsummary>
       <desc>
 	<p>Returns a list of all local address/port number pairs for a socket
diff --git a/lib/kernel/doc/src/logger.xml b/lib/kernel/doc/src/logger.xml
index 556f25f96a..e09c5db5e3 100644
--- a/lib/kernel/doc/src/logger.xml
+++ b/lib/kernel/doc/src/logger.xml
@@ -32,7 +32,7 @@
     <rev>A</rev>
     <file>logger.xml</file>
   </header>
-  <module>logger</module>
+  <module since="OTP 21.0">logger</module>
   <modulesummary>API module for Logger, the standard logging facility
     in Erlang/OTP.</modulesummary>
 
@@ -334,9 +334,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
   </section>
   <funcs>
     <func>
-      <name>emergency(StringOrReport[,Metadata])</name>
-      <name>emergency(Format,Args[,Metadata])</name>
-      <name>emergency(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">emergency(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">emergency(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">emergency(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>emergency</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -345,9 +345,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>alert(StringOrReport[,Metadata])</name>
-      <name>alert(Format,Args[,Metadata])</name>
-      <name>alert(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">alert(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">alert(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">alert(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>alert</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -356,9 +356,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>critical(StringOrReport[,Metadata])</name>
-      <name>critical(Format,Args[,Metadata])</name>
-      <name>critical(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">critical(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">critical(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">critical(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>critical</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -367,9 +367,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>error(StringOrReport[,Metadata])</name>
-      <name>error(Format,Args[,Metadata])</name>
-      <name>error(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">error(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">error(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">error(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>error</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -378,9 +378,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>warning(StringOrReport[,Metadata])</name>
-      <name>warning(Format,Args[,Metadata])</name>
-      <name>warning(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">warning(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">warning(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">warning(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>warning</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -389,9 +389,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>notice(StringOrReport[,Metadata])</name>
-      <name>notice(Format,Args[,Metadata])</name>
-     <name>notice(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">notice(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">notice(Format,Args[,Metadata])</name>
+     <name since="OTP 21.0">notice(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>notice</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -400,9 +400,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>info(StringOrReport[,Metadata])</name>
-      <name>info(Format,Args[,Metadata])</name>
-      <name>info(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">info(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">info(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">info(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>info</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -411,9 +411,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name>debug(StringOrReport[,Metadata])</name>
-      <name>debug(Format,Args[,Metadata])</name>
-      <name>debug(Fun,FunArgs[,Metadata])</name>
+      <name since="OTP 21.0">debug(StringOrReport[,Metadata])</name>
+      <name since="OTP 21.0">debug(Format,Args[,Metadata])</name>
+      <name since="OTP 21.0">debug(Fun,FunArgs[,Metadata])</name>
       <fsummary>Logs the given message as level <c>debug</c>.</fsummary>
       <desc>
         <p>Equivalent to
@@ -422,12 +422,12 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name name="log" arity="2"/>
-      <name name="log" arity="3" clause_i="1"/>
-      <name name="log" arity="3" clause_i="2"/>
-      <name name="log" arity="3" clause_i="3"/>
-      <name name="log" arity="4" clause_i="1"/>
-      <name name="log" arity="4" clause_i="2"/>
+      <name name="log" arity="2" since="OTP 21.0"/>
+      <name name="log" arity="3" clause_i="1" since="OTP 21.0"/>
+      <name name="log" arity="3" clause_i="2" since="OTP 21.0"/>
+      <name name="log" arity="3" clause_i="3" since="OTP 21.0"/>
+      <name name="log" arity="4" clause_i="1" since="OTP 21.0"/>
+      <name name="log" arity="4" clause_i="2" since="OTP 21.0"/>
       <fsummary>Logs the given message.</fsummary>
       <type variable="Level"/>
       <type variable="StringOrReport" name_i="1"/>
@@ -448,7 +448,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
   </section>
   <funcs>
     <func>
-      <name name="add_handler" arity="3"/>
+      <name name="add_handler" arity="3" since="OTP 21.0"/>
       <fsummary>Add a handler with the given configuration.</fsummary>
       <desc>
         <p>Add a handler with the given configuration.</p>
@@ -459,7 +459,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name name="add_handler_filter" arity="3"/>
+      <name name="add_handler_filter" arity="3" since="OTP 21.0"/>
       <fsummary>Add a filter to the specified handler.</fsummary>
       <desc>
         <p>Add a filter to the specified handler.</p>
@@ -500,7 +500,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name name="add_handlers" arity="1" clause_i="1"/>
+      <name name="add_handlers" arity="1" clause_i="1" since="OTP 21.0"/>
       <fsummary>Set up log handlers from the application's
 	configuration parameters.</fsummary>
       <desc>
@@ -510,7 +510,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
     </func>
 
     <func>
-      <name name="add_handlers" arity="1" clause_i="2"/>
+      <name name="add_handlers" arity="1" clause_i="2" since="OTP 21.0"/>
       <fsummary>Setup logger handlers.</fsummary>
       <type name="config_handler"/>
       <desc>
@@ -553,7 +553,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="add_primary_filter" arity="2"/>
+      <name name="add_primary_filter" arity="2" since="OTP 21.0"/>
       <fsummary>Add a primary filter to Logger.</fsummary>
       <desc>
         <p>Add a primary filter to Logger.</p>
@@ -594,7 +594,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_config" arity="0"/>
+      <name name="get_config" arity="0" since="OTP 21.0"/>
       <fsummary>Look up the current Logger configuration</fsummary>
       <desc>
         <p>Look up all current Logger configuration, including primary
@@ -603,7 +603,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_handler_config" arity="0"/>
+      <name name="get_handler_config" arity="0" since="OTP 21.0"/>
       <fsummary>Look up the current configuration for all handlers.</fsummary>
       <desc>
         <p>Look up the current configuration for all handlers.</p>
@@ -611,7 +611,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_handler_config" arity="1"/>
+      <name name="get_handler_config" arity="1" since="OTP 21.0"/>
       <fsummary>Look up the current configuration for the given
 	handler.</fsummary>
       <desc>
@@ -620,7 +620,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_handler_ids" arity="0"/>
+      <name name="get_handler_ids" arity="0" since="OTP 21.0"/>
       <fsummary>Look up the identities for all installed handlers.</fsummary>
       <desc>
         <p>Look up the identities for all installed handlers.</p>
@@ -628,7 +628,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_primary_config" arity="0"/>
+      <name name="get_primary_config" arity="0" since="OTP 21.0"/>
       <fsummary>Look up the current primary configuration for Logger.</fsummary>
       <desc>
         <p>Look up the current primary configuration for Logger.</p>
@@ -636,7 +636,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_module_level" arity="0"/>
+      <name name="get_module_level" arity="0" since="OTP 21.0"/>
       <fsummary>Look up all current module levels.</fsummary>
       <desc>
         <p>Look up all current module levels. Returns a list
@@ -648,7 +648,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_module_level" arity="1"/>
+      <name name="get_module_level" arity="1" since="OTP 21.0"/>
       <fsummary>Look up the current level for the given modules.</fsummary>
       <desc>
         <p>Look up the current level for the given modules. Returns a
@@ -660,7 +660,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="get_process_metadata" arity="0"/>
+      <name name="get_process_metadata" arity="0" since="OTP 21.0"/>
       <fsummary>Retrieve data set with set_process_metadata/1.</fsummary>
       <desc>
         <p>Retrieve data set
@@ -672,7 +672,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="remove_handler" arity="1"/>
+      <name name="remove_handler" arity="1" since="OTP 21.0"/>
       <fsummary>Remove the handler with the specified identity.</fsummary>
       <desc>
         <p>Remove the handler identified by <c><anno>HandlerId</anno></c>.</p>
@@ -680,7 +680,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="remove_handler_filter" arity="2"/>
+      <name name="remove_handler_filter" arity="2" since="OTP 21.0"/>
       <fsummary>Remove a filter from the specified handler.</fsummary>
       <desc>
         <p>Remove the filter identified
@@ -690,7 +690,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="remove_primary_filter" arity="1"/>
+      <name name="remove_primary_filter" arity="1" since="OTP 21.0"/>
       <fsummary>Remove a primary filter from Logger.</fsummary>
       <desc>
         <p>Remove the primary filter identified
@@ -699,7 +699,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_application_level" arity="2"/>
+      <name name="set_application_level" arity="2" since="OTP 21.1"/>
       <fsummary>Set the log level for all modules in the specified application.</fsummary>
       <desc>
         <p>Set the log level for all the modules of the specified application.</p>
@@ -710,7 +710,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_handler_config" arity="2"/>
+      <name name="set_handler_config" arity="2" since="OTP 21.0"/>
       <fsummary>Set configuration data for the specified handler.</fsummary>
       <desc>
         <p>Set configuration data for the specified handler. This
@@ -731,11 +731,11 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_handler_config" arity="3" clause_i="1"/>
-      <name name="set_handler_config" arity="3" clause_i="2"/>
-      <name name="set_handler_config" arity="3" clause_i="3"/>
-      <name name="set_handler_config" arity="3" clause_i="4"/>
-      <name name="set_handler_config" arity="3" clause_i="5"/>
+      <name name="set_handler_config" arity="3" clause_i="1" since="OTP 21.0"/>
+      <name name="set_handler_config" arity="3" clause_i="2" since="OTP 21.0"/>
+      <name name="set_handler_config" arity="3" clause_i="3" since="OTP 21.0"/>
+      <name name="set_handler_config" arity="3" clause_i="4" since="OTP 21.0"/>
+      <name name="set_handler_config" arity="3" clause_i="5" since="OTP 21.0"/>
       <fsummary>Add or update configuration data for the specified
         handler.</fsummary>
       <type variable="HandlerId"/>
@@ -767,7 +767,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_primary_config" arity="1"/>
+      <name name="set_primary_config" arity="1" since="OTP 21.0"/>
       <fsummary>Set primary configuration data for Logger.</fsummary>
       <desc>
         <p>Set primary configuration data for Logger. This
@@ -785,9 +785,9 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_primary_config" arity="2" clause_i="1"/>
-      <name name="set_primary_config" arity="2" clause_i="2"/>
-      <name name="set_primary_config" arity="2" clause_i="3"/>
+      <name name="set_primary_config" arity="2" clause_i="1" since="OTP 21.0"/>
+      <name name="set_primary_config" arity="2" clause_i="2" since="OTP 21.0"/>
+      <name name="set_primary_config" arity="2" clause_i="3" since="OTP 21.0"/>
       <fsummary>Add or update primary configuration data for Logger.</fsummary>
       <type variable="Level" name_i="1"/>
       <type variable="FilterDefault" name_i="2"/>
@@ -801,7 +801,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_module_level" arity="2"/>
+      <name name="set_module_level" arity="2" since="OTP 21.0"/>
       <fsummary>Set the log level for the specified modules.</fsummary>
       <desc>
         <p>Set the log level for the specified modules.</p>
@@ -841,7 +841,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="set_process_metadata" arity="1"/>
+      <name name="set_process_metadata" arity="1" since="OTP 21.0"/>
       <fsummary>Set metadata to use when logging from current process.</fsummary>
       <desc>
         <p>Set metadata which Logger shall automatically insert in
@@ -860,7 +860,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="unset_application_level" arity="1"/>
+      <name name="unset_application_level" arity="1" since="OTP 21.1"/>
       <fsummary>Unset the log level for all modules in the specified application.</fsummary>
       <desc>
         <p>Unset the log level for all the modules of the specified application.</p>
@@ -871,7 +871,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="unset_module_level" arity="0"/>
+      <name name="unset_module_level" arity="0" since="OTP 21.0"/>
       <fsummary>Remove module specific log settings for all modules.</fsummary>
       <desc>
         <p>Remove module specific log settings. After this, the
@@ -880,7 +880,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="unset_module_level" arity="1"/>
+      <name name="unset_module_level" arity="1" since="OTP 21.0"/>
       <fsummary>Remove module specific log settings for the given
 	modules.</fsummary>
       <desc>
@@ -890,7 +890,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="unset_process_metadata" arity="0"/>
+      <name name="unset_process_metadata" arity="0" since="OTP 21.0"/>
       <fsummary>Delete data set with set_process_metadata/1.</fsummary>
       <desc>
         <p>Delete data set
@@ -902,7 +902,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="update_formatter_config" arity="2"/>
+      <name name="update_formatter_config" arity="2" since="OTP 21.0"/>
       <fsummary>Update the formatter configuration for the specified handler.</fsummary>
       <desc>
         <p>Update the formatter configuration for the specified handler.</p>
@@ -917,7 +917,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="update_formatter_config" arity="3"/>
+      <name name="update_formatter_config" arity="3" since="OTP 21.0"/>
       <fsummary>Update the formatter configuration for the specified handler.</fsummary>
       <desc>
         <p>Update the formatter configuration for the specified handler.</p>
@@ -928,7 +928,7 @@ start(_, []) ->
     </func>
 
     <func>
-      <name name="update_handler_config" arity="2"/>
+      <name name="update_handler_config" arity="2" since="OTP 21.0"/>
       <fsummary>Update configuration data for the specified handler.</fsummary>
       <desc>
         <p>Update configuration data for the specified handler. This function
@@ -944,11 +944,11 @@ logger:set_handler_config(HandlerId, maps:merge(Old, Config)).
     </func>
 
     <func>
-      <name name="update_handler_config" arity="3" clause_i="1"/>
-      <name name="update_handler_config" arity="3" clause_i="2"/>
-      <name name="update_handler_config" arity="3" clause_i="3"/>
-      <name name="update_handler_config" arity="3" clause_i="4"/>
-      <name name="update_handler_config" arity="3" clause_i="5"/>
+      <name name="update_handler_config" arity="3" clause_i="1" since="OTP 21.2"/>
+      <name name="update_handler_config" arity="3" clause_i="2" since="OTP 21.2"/>
+      <name name="update_handler_config" arity="3" clause_i="3" since="OTP 21.2"/>
+      <name name="update_handler_config" arity="3" clause_i="4" since="OTP 21.2"/>
+      <name name="update_handler_config" arity="3" clause_i="5" since="OTP 21.2"/>
       <fsummary>Add or update configuration data for the specified
         handler.</fsummary>
       <type variable="HandlerId"/>
@@ -980,7 +980,7 @@ logger:set_handler_config(HandlerId, maps:merge(Old, Config)).
     </func>
 
     <func>
-      <name name="update_primary_config" arity="1"/>
+      <name name="update_primary_config" arity="1" since="OTP 21.0"/>
       <fsummary>Update primary configuration data for Logger.</fsummary>
       <desc>
         <p>Update primary configuration data for Logger. This function
@@ -996,7 +996,7 @@ logger:set_primary_config(maps:merge(Old, Config)).
     </func>
 
     <func>
-      <name name="update_process_metadata" arity="1"/>
+      <name name="update_process_metadata" arity="1" since="OTP 21.0"/>
       <fsummary>Set or update metadata to use when logging from
 	current process.</fsummary>
       <desc>
@@ -1021,7 +1021,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
   </section>
   <funcs>
     <func>
-      <name name="compare_levels" arity="2"/>
+      <name name="compare_levels" arity="2" since="OTP 21.0"/>
       <fsummary>Compare the severity of two log levels.</fsummary>
       <desc>
         <p>Compare the severity of two log levels. Returns <c>gt</c>
@@ -1032,7 +1032,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
     </func>
 
     <func>
-      <name name="format_report" arity="1"/>
+      <name name="format_report" arity="1" since="OTP 21.0"/>
       <fsummary>Convert a log message on report form to {Format, Args}.</fsummary>
       <desc>
         <p>Convert a log message on report form to <c>{Format,
@@ -1062,7 +1062,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
 
   <funcs>
     <func>
-      <name>HModule:adding_handler(Config1) -> {ok, Config2} | {error,
+      <name since="OTP 21.0">HModule:adding_handler(Config1) -> {ok, Config2} | {error,
 	Reason}</name>
       <fsummary>An instance of this handler is about to be added.</fsummary>
       <type>
@@ -1088,7 +1088,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
     </func>
 
     <func>
-      <name>HModule:changing_config(SetOrUpdate, OldConfig, NewConfig) -> {ok, Config} | {error, Reason}</name>
+      <name since="OTP 21.2">HModule:changing_config(SetOrUpdate, OldConfig, NewConfig) -> {ok, Config} | {error, Reason}</name>
       <fsummary>The configuration for this handler is about to change.</fsummary>
       <type>
 	<v>SetOrUpdate = set | update</v>
@@ -1126,7 +1126,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
     </func>
 
     <func>
-      <name>HModule:filter_config(Config) -> FilteredConfig</name>
+      <name since="OTP 21.2">HModule:filter_config(Config) -> FilteredConfig</name>
       <fsummary>Remove internal data from configuration.</fsummary>
       <type>
 	<v>Config = FilteredConfig =
@@ -1146,7 +1146,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
     </func>
 
     <func>
-      <name>HModule:log(LogEvent, Config) -> void()</name>
+      <name since="OTP 21.0">HModule:log(LogEvent, Config) -> void()</name>
       <fsummary>Log the given log event.</fsummary>
       <type>
 	<v>LogEvent =
@@ -1169,7 +1169,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
     </func>
 
     <func>
-      <name>HModule:removing_handler(Config) -> ok</name>
+      <name since="OTP 21.0">HModule:removing_handler(Config) -> ok</name>
       <fsummary>The given handler is about to be removed.</fsummary>
       <type>
 	<v>Config =
@@ -1197,7 +1197,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
 
   <funcs>
     <func>
-      <name>FModule:check_config(FConfig) -> ok | {error, Reason}</name>
+      <name since="OTP 21.0">FModule:check_config(FConfig) -> ok | {error, Reason}</name>
       <fsummary>Validate the given formatter configuration.</fsummary>
       <type>
 	<v>FConfig =
@@ -1228,7 +1228,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
       </desc>
     </func>
     <func>
-      <name>FModule:format(LogEvent, FConfig) -> FormattedLogEntry</name>
+      <name since="OTP 21.0">FModule:format(LogEvent, FConfig) -> FormattedLogEntry</name>
       <fsummary>Format the given log event.</fsummary>
       <type>
 	<v>LogEvent =
diff --git a/lib/kernel/doc/src/logger_disk_log_h.xml b/lib/kernel/doc/src/logger_disk_log_h.xml
index d9b941a0a9..5b2374690e 100644
--- a/lib/kernel/doc/src/logger_disk_log_h.xml
+++ b/lib/kernel/doc/src/logger_disk_log_h.xml
@@ -32,7 +32,7 @@
     <rev>A</rev>
     <file>logger_disk_log_h.xml</file>
   </header>
-  <module>logger_disk_log_h</module>
+  <module since="OTP 21.0">logger_disk_log_h</module>
   <modulesummary>A disk_log based handler for Logger</modulesummary>
 
   <description>
@@ -148,7 +148,7 @@ erl -kernel logger '[{handler,default,logger_disk_log_h,
   <funcs>
 
     <func>
-      <name name="filesync" arity="1" clause_i="1"/>
+      <name name="filesync" arity="1" clause_i="1" since="OTP 21.0"/>
       <fsummary>Writes buffered data to disk.</fsummary>
       <desc>
         <p>Write buffered data to disk.</p>
diff --git a/lib/kernel/doc/src/logger_filters.xml b/lib/kernel/doc/src/logger_filters.xml
index 90f1fcc270..0a02342864 100644
--- a/lib/kernel/doc/src/logger_filters.xml
+++ b/lib/kernel/doc/src/logger_filters.xml
@@ -32,7 +32,7 @@
     <rev>A</rev>
     <file>logger_filters.xml</file>
   </header>
-  <module>logger_filters</module>
+  <module since="OTP 21.0">logger_filters</module>
   <modulesummary>Filters to use with Logger.</modulesummary>
 
   <description>
@@ -51,7 +51,7 @@
 
   <funcs>
     <func>
-      <name name="domain" arity="2"/>
+      <name name="domain" arity="2" since="OTP 21.0"/>
       <fsummary>Filter log events based on the domain field in
 	metadata.</fsummary>
       <desc>
@@ -152,7 +152,7 @@ ok</code>
     </func>
 
     <func>
-      <name name="level" arity="2"/>
+      <name name="level" arity="2" since="OTP 21.0"/>
       <fsummary>Filter log events based on the log level.</fsummary>
       <desc>
 	  <p>This filter provides a way of filtering log events based
@@ -212,7 +212,7 @@ ok</code>
     </func>
 
     <func>
-      <name name="progress" arity="2"/>
+      <name name="progress" arity="2" since="OTP 21.0"/>
       <fsummary>Filter progress reports from supervisor and application_controller.</fsummary>
       <desc>
 	  <p>This filter matches all progress reports
@@ -227,7 +227,7 @@ ok</code>
     </func>
 
     <func>
-      <name name="remote_gl" arity="2"/>
+      <name name="remote_gl" arity="2" since="OTP 21.0"/>
       <fsummary>Filter events with group leader on remote node.</fsummary>
       <desc>
 	  <p>This filter matches all events originating from a process
diff --git a/lib/kernel/doc/src/logger_formatter.xml b/lib/kernel/doc/src/logger_formatter.xml
index d066e263df..6dc83d24e1 100644
--- a/lib/kernel/doc/src/logger_formatter.xml
+++ b/lib/kernel/doc/src/logger_formatter.xml
@@ -32,7 +32,7 @@
     <rev>A</rev>
     <file>logger_formatter.xml</file>
   </header>
-  <module>logger_formatter</module>
+  <module since="OTP 21.0">logger_formatter</module>
   <modulesummary>Default formatter for Logger.</modulesummary>
 
   <description>
@@ -289,7 +289,7 @@ exit_reason: "It crashed"</code>
 
   <funcs>
     <func>
-      <name name="check_config" arity="1"/>
+      <name name="check_config" arity="1" since="OTP 21.0"/>
       <fsummary>Validates the given formatter configuration.</fsummary>
       <desc>
 	<p>The function is called by Logger when the formatter
@@ -310,7 +310,7 @@ exit_reason: "It crashed"</code>
       </desc>
     </func>
     <func>
-      <name name="format" arity="2"/>
+      <name name="format" arity="2" since="OTP 21.0"/>
       <fsummary>Formats the given message.</fsummary>
       <desc>
 	<p>This the formatter callback function to be called from
diff --git a/lib/kernel/doc/src/logger_std_h.xml b/lib/kernel/doc/src/logger_std_h.xml
index e156f5719b..fcd180abd6 100644
--- a/lib/kernel/doc/src/logger_std_h.xml
+++ b/lib/kernel/doc/src/logger_std_h.xml
@@ -32,7 +32,7 @@
     <rev>A</rev>
     <file>logger_std_h.xml</file>
   </header>
-  <module>logger_std_h</module>
+  <module since="OTP 21.0">logger_std_h</module>
   <modulesummary>Standard handler for Logger.</modulesummary>
 
   <description>
@@ -121,7 +121,7 @@ erl -kernel logger '[{handler,default,logger_std_h,
   <funcs>
 
     <func>
-      <name name="filesync" arity="1" clause_i="1"/>
+      <name name="filesync" arity="1" clause_i="1" since="OTP 21.0"/>
       <fsummary>Writes buffered data to disk.</fsummary>
       <desc>
         <p>Write buffered data to disk.</p>
diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml
index bfbe7a6470..1ed5d5cca1 100644
--- a/lib/kernel/doc/src/net_kernel.xml
+++ b/lib/kernel/doc/src/net_kernel.xml
@@ -131,7 +131,7 @@ $ <input>erl -sname foobar</input></pre>
     </func>
 
     <func>
-      <name name="getopts" arity="2"/>
+      <name name="getopts" arity="2" since="OTP 19.1"/>
       <fsummary>Get distribution socket options.</fsummary>
       <desc>
         <p>Get one or more options for the distribution socket
@@ -324,7 +324,7 @@ $ <input>erl -sname foobar</input></pre>
     </func>
 
     <func>
-      <name name="setopts" arity="2"/>
+      <name name="setopts" arity="2" since="OTP 19.1"/>
       <fsummary>Set distribution socket options.</fsummary>
       <desc>
         <p>Set one or more options for distribution sockets.
diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml
index c95e615c6b..9bd859452c 100644
--- a/lib/kernel/doc/src/os.xml
+++ b/lib/kernel/doc/src/os.xml
@@ -135,7 +135,7 @@
   <funcs>
     <func>
       <name name="cmd" arity="1"/>
-      <name name="cmd" arity="2"/>
+      <name name="cmd" arity="2" since="OTP 20.2.3"/>
       <fsummary>Execute a command in a shell of the target OS.</fsummary>
       <desc>
         <p>Executes <c><anno>Command</anno></c> in a command shell of the
@@ -220,7 +220,7 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
     </func>
 
     <func>
-      <name name="getenv" arity="2"/>
+      <name name="getenv" arity="2" since="OTP 18.0"/>
       <fsummary>Get the value of an environment variable.</fsummary>
       <desc>
         <p>Returns the <c><anno>Value</anno></c> of the environment variable
@@ -277,7 +277,7 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
     </func>
 
     <func>
-      <name name="set_signal" arity="2"/>
+      <name name="set_signal" arity="2" since="OTP 20.0"/>
       <fsummary>Enables or disables handling of OS signals.</fsummary>
       <desc>
           <p>Enables or disables OS signals.</p>
@@ -304,7 +304,7 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
     </func>
 
     <func>
-      <name name="system_time" arity="0"/>
+      <name name="system_time" arity="0" since="OTP 18.0"/>
       <fsummary>Current OS system time.</fsummary>
       <desc>
 	<p>Returns the current
@@ -317,7 +317,7 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
     </func>
 
     <func>
-      <name name="system_time" arity="1"/>
+      <name name="system_time" arity="1" since="OTP 18.0"/>
       <fsummary>Current OS system time.</fsummary>
       <desc>
 	<p>Returns the current
@@ -373,7 +373,7 @@ calendar:now_to_universal_time(TS),
     </func>
 
     <func>
-      <name name="perf_counter" arity="0"/>
+      <name name="perf_counter" arity="0" since="OTP 19.0"/>
       <fsummary>Returns a performance counter</fsummary>
       <desc>
         <p>Returns the current performance counter value in <c>perf_counter</c>
@@ -383,7 +383,7 @@ calendar:now_to_universal_time(TS),
       </desc>
     </func>
     <func>
-      <name name="perf_counter" arity="1"/>
+      <name name="perf_counter" arity="1" since="OTP 19.0"/>
       <fsummary>Returns a performance counter</fsummary>
       <desc><p>Returns a performance counter that can be used as a very fast and
       high resolution timestamp. This counter is read directly from the hardware or operating
@@ -417,7 +417,7 @@ calendar:now_to_universal_time(TS),
     </func>
 
     <func>
-      <name name="unsetenv" arity="1"/>
+      <name name="unsetenv" arity="1" since="OTP R16B03"/>
       <fsummary>Delete an environment variable.</fsummary>
       <desc>
 	<p>Deletes the environment variable <c><anno>VarName</anno></c>.</p>