python · aisk · Mar 20, 2026 · Mar 20, 2026 · Mar 20, 2026 · Mar 20, 2026
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
@@ -1076,17 +1076,6 @@ iterations of the loop.
    where *namei* is the index of name in :attr:`~codeobject.co_names` of the
    :ref:`code object <code-objects>`.
 
-.. opcode:: DELETE_ATTR (namei)
-
-   Implements::
-
-      obj = STACK.pop()
-      del obj.name
-
-   where *namei* is the index of name into :attr:`~codeobject.co_names` of the
-   :ref:`code object <code-objects>`.
-
-
 .. opcode:: STORE_GLOBAL (namei)
 
    Works as :opcode:`STORE_NAME`, but stores the name as a global.

@@ -1 +1,2 @@
 # HTML IDs excluded from the check-html-ids.py check.
+library/dis.html: opcode-DELETE_ATTR
diff --git a/Include/internal/pycore_magic_number.h b/Include/internal/pycore_magic_number.h
@@ -294,6 +294,7 @@ Known values:
     Python 3.15a4 3661 (Lazy imports IMPORT_NAME opcode changes)
     Python 3.15a8 3662 (Add counter to RESUME)
     Python 3.15a8 3663 (Merge GET_ITER and GET_YIELD_FROM_ITER. Modify SEND to make it a bit more like FOR_ITER)
+    Python 3.15a8 3664 (Remove DELETE_ATTR opcode)
 
 
     Python 3.16 will start with 3700
@@ -307,7 +308,7 @@ PC/launcher.c must also be updated.
 
 */
 
-#define PYC_MAGIC_NUMBER 3663
+#define PYC_MAGIC_NUMBER 3664
 /* This is equivalent to converting PYC_MAGIC_NUMBER to 2 bytes
    (little-endian) and then appending b'\r\n'. */
 #define PYC_MAGIC_NUMBER_TOKEN \

diff --git a/Include/internal/pycore_opcode_metadata.h b/Include/internal/pycore_opcode_metadata.h
Original file line number	Diff line number	Diff line change
		@@ -1 +1,2 @@
		# HTML IDs excluded from the check-html-ids.py check.
		library/dis.html: opcode-DELETE_ATTR