diff --git a/abi.html b/abi.html
index 55719a2..e9dbfa5 100644
--- a/abi.html
+++ b/abi.html
@@ -5334,6 +5334,13 @@
+
+A C++26 pack indexing type is mangled with :
+
+
<type> ::= Dy <type> <expression> # pack indexing (C++26)
+
+
+
@@ -5704,6 +5711,8 @@
::= sZ <template-param> # sizeof...(T), size of a template parameter pack
::= sZ <function-param> # sizeof...(parameter), size of a function parameter pack
::= sP <template-arg>* E # sizeof...(T), size of a captured template parameter pack from an alias template
+ ::= sy <template-param><expression> # T...[expression], template parameter pack indexing
+ ::= sy <function-param> <expression> # T...[expression], function parameter pack indexing
::= sp <expression> # expression..., pack expansion
::= fl <binary operator-name> <expression> # (... operator expression), unary left fold
::= fr <binary operator-name> <expression> # (expression operator ...), unary right fold