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--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -752,6 +752,49 @@ iterations of the loop.
.. versionadded:: 3.2
+.. opcode:: COPY_DICT_WITHOUT_KEYS
+
+ TOS is a tuple of mapping keys, and TOS1 is the match subject. Replace TOS
+ with a :class:`dict` formed from the items of TOS1, but without any of the
+ keys in TOS.
+
+ .. versionadded:: 3.10
+
+
+.. opcode:: GET_LEN
+
+ Push ``len(TOS)`` onto the stack.
+
+ .. versionadded:: 3.10
+
+
+.. opcode:: MATCH_MAPPING
+
+ If TOS is an instance of :class:`collections.abc.Mapping`, push ``True`` onto
+ the stack. Otherwise, push ``False``.
+
+ .. versionadded:: 3.10
+
+
+.. opcode:: MATCH_SEQUENCE
+
+ If TOS is an instance of :class:`collections.abc.Sequence` and is *not* an
+ instance of :class:`str`/:class:`bytes`/:class:`bytearray`, push ``True``
+ onto the stack. Otherwise, push ``False``.
+
+ .. versionadded:: 3.10
+
+
+.. opcode:: MATCH_KEYS
+
+ TOS is a tuple of mapping keys, and TOS1 is the match subject. If TOS1
+ contains all of the keys in TOS, push a :class:`tuple` containing the
+ corresponding values, followed by ``True``. Otherwise, push ``None``,
+ followed by ``False``.
+
+ .. versionadded:: 3.10
+
+
All of the following opcodes use their arguments.
.. opcode:: STORE_NAME (namei)
@@ -1192,6 +1235,19 @@ All of the following opcodes use their arguments.
.. versionadded:: 3.6
+.. opcode:: MATCH_CLASS (count)
+
+ TOS is a tuple of keyword attribute names, TOS1 is the class being matched
+ against, and TOS2 is the match subject. *count* is the number of positional
+ sub-patterns.
+
+ Pop TOS. If TOS2 is an instance of TOS1 and has the positional and keyword
+ attributes required by *count* and TOS, set TOS to ``True`` and TOS1 to a
+ tuple of extracted attributes. Otherwise, set TOS to ``False``.
+
+ .. versionadded:: 3.10
+
+
.. opcode:: HAVE_ARGUMENT
This is not really an opcode. It identifies the dividing line between
diff --git a/Doc/tools/susp-ignored.csv b/Doc/tools/susp-ignored.csv
--- a/Doc/tools/susp-ignored.csv
+++ b/Doc/tools/susp-ignored.csv
@@ -365,3 +365,4 @@ whatsnew/changelog,,::,default::DeprecationWarning
library/importlib.metadata,,:main,"EntryPoint(name='wheel', value='wheel.cli:main', group='console_scripts')"
library/importlib.metadata,,`,loading the metadata for packages for the indicated ``context``.
library/re,,`,"`"
+library/dis,,:TOS1,TOS[x:TOS1 - 1 - y]
diff --git a/"Misc/NEWS.d/next/Core and Builtins/2020-10-23-08-54-04.bpo-42128.SWmVEm.rst" b/"Misc/NEWS.d/next/Core and Builtins/2020-10-23-08-54-04.bpo-42128.SWmVEm.rst"
new file mode 100644
--- /dev/null
+++ b/"Misc/NEWS.d/next/Core and Builtins/2020-10-23-08-54-04.bpo-42128.SWmVEm.rst"
@@ -0,0 +1 @@
+Implement :pep:`634` (structural pattern matching). Patch by Brandt Bucher.
|