diff --git a/appendices/migration81/constants.xml b/appendices/migration81/constants.xml
index ce5ced091919..4ded364ef24f 100644
--- a/appendices/migration81/constants.xml
+++ b/appendices/migration81/constants.xml
@@ -2,6 +2,50 @@
 <sect1 xml:id="migration81.constants" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>New Global Constants</title>
 
+ <sect2 xml:id="migration81.constants.curl">
+  <title>cURL</title>
+
+  <itemizedlist>
+   <listitem>
+    <simpara><constant>CURLOPT_DOH_URL</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_ISSUERCERT_BLOB</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_PROXY_ISSUERCERT</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_PROXY_ISSUERCERT_BLOB</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_PROXY_SSLCERT_BLOB</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_PROXY_SSLKEY_BLOB</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_SSLCERT_BLOB</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>CURLOPT_SSLKEY_BLOB</constant></simpara>
+   </listitem>
+  </itemizedlist>
+ </sect2>
+
+ <sect2 xml:id="migration81.constants.gd">
+  <title>GD</title>
+
+  <itemizedlist>
+   <listitem>
+    <simpara><constant>IMG_AVIF</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>IMG_WEBP_LOSSLESS</constant></simpara>
+   </listitem>
+  </itemizedlist>
+ </sect2>
+
  <sect2 xml:id="migration81.constants.mysqli">
   <title>MySQLi</title>
 
@@ -19,6 +63,19 @@
   </itemizedlist>
  </sect2>
 
+ <sect2 xml:id="migration81.constants.posix">
+  <title>POSIX</title>
+
+  <itemizedlist>
+   <listitem>
+    <simpara><constant>POSIX_RLIMIT_KQUEUES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>POSIX_RLIMIT_NPTS</constant></simpara>
+   </listitem>
+  </itemizedlist>
+ </sect2>
+
  <sect2 xml:id="migration81.constants.sockets">
   <title>Sockets</title>
 
@@ -44,6 +101,47 @@
   </itemizedlist>
  </sect2>
 
+ <sect2 xml:id="migration81.constants.sodium">
+  <title>Sodium</title>
+
+  <itemizedlist>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_STREAM_XCHACHA20_NONCEBYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_STREAM_XCHACHA20_KEYBYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_BYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_SCALARMULT_RISTRETTO255_SCALARBYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_CORE_RISTRETTO255_BYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_CORE_RISTRETTO255_HASHBYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_CORE_RISTRETTO255_SCALARBYTES</constant></simpara>
+   </listitem>
+   <listitem>
+    <simpara><constant>SODIUM_CRYPTO_CORE_RISTRETTO255_NONREDUCEDSCALARBYTES</constant></simpara>
+   </listitem>
+  </itemizedlist>
+ </sect2>
+
+ <sect2 xml:id="migration81.constants.tokenizer">
+  <title>Tokenizer</title>
+
+  <itemizedlist>
+   <listitem>
+    <simpara><constant>T_READONLY</constant></simpara>
+   </listitem>
+  </itemizedlist>
+ </sect2>
+
 </sect1>
 <!-- Keep this comment at the end of the file
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