diff --git a/stubs/openpyxl/@tests/stubtest_allowlist.txt b/stubs/openpyxl/@tests/stubtest_allowlist.txt
index dd6ff8ec8..f40d00628 100644
--- a/stubs/openpyxl/@tests/stubtest_allowlist.txt
+++ b/stubs/openpyxl/@tests/stubtest_allowlist.txt
@@ -1,3 +1,14 @@
+# Loop variables leaked in global scope
+openpyxl.utils.cell.col
+openpyxl.utils.cell.i
+
+# Unintended re-export from star-import
+openpyxl.chart.marker.DRAWING_NS
+openpyxl.chart.marker.PRESET_COLORS
+openpyxl.chart.shapes.DRAWING_NS
+openpyxl.chart.shapes.PRESET_COLORS
+openpyxl.descriptors.DEBUG
+
 # The actual runtime definition depends on what else is installed
 # (lxml, defusedxml, et_xmlfile)
 openpyxl.xml._functions_overloads
diff --git a/stubs/openpyxl/METADATA.toml b/stubs/openpyxl/METADATA.toml
index af3b0230e..cb4138c9f 100644
--- a/stubs/openpyxl/METADATA.toml
+++ b/stubs/openpyxl/METADATA.toml
@@ -1,6 +1,2 @@
 version = "3.1.*"
 upstream_repository = "https://foss.heptapod.net/openpyxl/openpyxl"
-partial_stub = true
-
-[tool.stubtest]
-ignore_missing_stub = true
diff --git a/stubs/openpyxl/openpyxl/__init__.pyi b/stubs/openpyxl/openpyxl/__init__.pyi
index c252e6d9c..e72969903 100644
--- a/stubs/openpyxl/openpyxl/__init__.pyi
+++ b/stubs/openpyxl/openpyxl/__init__.pyi
@@ -12,4 +12,5 @@ from ._constants import (
     __version__ as __version__,
 )
 
+DEBUG: bool
 open = load_workbook
diff --git a/stubs/openpyxl/openpyxl/cell/rich_text.pyi b/stubs/openpyxl/openpyxl/cell/rich_text.pyi
index 0100282c0..0732bccea 100644
--- a/stubs/openpyxl/openpyxl/cell/rich_text.pyi
+++ b/stubs/openpyxl/openpyxl/cell/rich_text.pyi
@@ -4,6 +4,7 @@ from typing_extensions import Literal, Self
 
 from openpyxl.cell.text import InlineFont
 from openpyxl.descriptors import Strict, String, Typed
+from openpyxl.descriptors.serialisable import _ChildSerialisableTreeElement
 
 class TextBlock(Strict):
     font: Typed[InlineFont, Literal[False]]
@@ -18,7 +19,7 @@ class CellRichText(list[str | TextBlock]):
     @overload
     def __init__(self, *args: str | TextBlock) -> None: ...
     @classmethod
-    def from_tree(cls, node) -> Self: ...
+    def from_tree(cls, node: _ChildSerialisableTreeElement) -> Self: ...
     def __add__(self, arg: Iterable[str | TextBlock]) -> CellRichText: ...  # type: ignore[override]
     def append(self, arg: str | TextBlock) -> None: ...
     def extend(self, arg: Iterable[str | TextBlock]) -> None: ...
diff --git a/stubs/openpyxl/openpyxl/chart/chartspace.pyi b/stubs/openpyxl/openpyxl/chart/chartspace.pyi
index 1d8505dce..a95939182 100644
--- a/stubs/openpyxl/openpyxl/chart/chartspace.pyi
+++ b/stubs/openpyxl/openpyxl/chart/chartspace.pyi
@@ -91,7 +91,7 @@ class ChartSpace(Serialisable):
     protection: Typed[Protection, Literal[True]]
     chart: Typed[ChartContainer, Literal[False]]
     spPr: Typed[GraphicalProperties, Literal[True]]
-    graphicalProperties: Alias
+    graphical_properties: Alias
     txPr: Typed[RichText, Literal[True]]
     textProperties: Alias
     externalData: Typed[ExternalData, Literal[True]]
diff --git a/stubs/openpyxl/openpyxl/descriptors/excel.pyi b/stubs/openpyxl/openpyxl/descriptors/excel.pyi
index 7bf24ad9d..fc4dcdaf3 100644
--- a/stubs/openpyxl/openpyxl/descriptors/excel.pyi
+++ b/stubs/openpyxl/openpyxl/descriptors/excel.pyi
@@ -1,13 +1,11 @@
 from _typeshed import Incomplete
-from typing import ClassVar, TypeVar
+from typing import ClassVar
 from typing_extensions import Literal
 
 from . import Integer, MatchPattern, MinMax, Strict, String
+from .base import _M, _N
 from .serialisable import Serialisable
 
-_N = TypeVar("_N", bound=bool)
-_M = TypeVar("_M", int, float)
-
 class HexBinary(MatchPattern[str, Incomplete]):
     pattern: str
 
diff --git a/stubs/openpyxl/openpyxl/descriptors/sequence.pyi b/stubs/openpyxl/openpyxl/descriptors/sequence.pyi
index 333a592a2..ff2176f25 100644
--- a/stubs/openpyxl/openpyxl/descriptors/sequence.pyi
+++ b/stubs/openpyxl/openpyxl/descriptors/sequence.pyi
@@ -9,12 +9,17 @@ from .base import Alias, Descriptor
 
 class Sequence(Descriptor[Incomplete]):
     expected_type: type[Incomplete]
-    seq_types: Incomplete
+    seq_types: tuple[type, ...]
     idx_base: int
     unique: bool
+    container: type
     def __set__(self, instance: Serialisable | Strict, seq) -> None: ...
     def to_tree(self, tagname, obj, namespace: str | None = None) -> Generator[Incomplete, None, None]: ...
 
+class UniqueSequence(Sequence):
+    seq_types: tuple[type, ...]
+    container: type
+
 class ValueSequence(Sequence):
     attribute: str
     def to_tree(self, tagname, obj, namespace: str | None = None) -> Generator[Incomplete, None, None]: ...
diff --git a/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi b/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
index d2ecf72e0..3afff355f 100644
--- a/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
+++ b/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
@@ -1,10 +1,16 @@
-from _typeshed import Incomplete
-from typing import Any, ClassVar, NoReturn
+from _typeshed import Incomplete, SupportsIter
+from typing import Any, ClassVar, NoReturn, Protocol
 from typing_extensions import Final
 
 from openpyxl.descriptors import MetaSerialisable
 
-from ..xml._functions_overloads import _HasTagAndTextAndAttrib
+from ..xml._functions_overloads import _HasAttrib, _HasTagAndGet, _HasText
+
+# For any override directly re-using Serialisable.from_tree
+class _ChildSerialisableTreeElement(_HasAttrib, _HasText, SupportsIter[Incomplete], Protocol): ...
+
+class _SerialisableTreeElement(_HasTagAndGet[Incomplete], _ChildSerialisableTreeElement, Protocol):
+    def find(self, __path: str) -> Incomplete | None: ...
 
 KEYWORDS: Final[frozenset[str]]
 seq_types: Final[tuple[type[list[Any]], type[tuple[Any, ...]]]]
@@ -20,8 +26,12 @@ class Serialisable(metaclass=MetaSerialisable):
     @property
     def tagname(self) -> str | NoReturn: ...
     namespace: ClassVar[str | None]
+    # Note: To respect the Liskov substitution principle, the protocol for node includes all child class requirements
+    # See comment in xml/functions.pyi as to why use a protocol instead of Element
+    # Child classes should be more precise than _SerialisableTreeElement !
+    # Use _ChildSerialisableTreeElement instead for child classes that reuse Serialisable.from_tree directly.
     @classmethod
-    def from_tree(cls, node: _HasTagAndTextAndAttrib): ...
+    def from_tree(cls, node: _SerialisableTreeElement): ...
     def to_tree(self, tagname: str | None = None, idx: Incomplete | None = None, namespace: str | None = None): ...
     def __iter__(self): ...
     def __eq__(self, other): ...
diff --git a/stubs/openpyxl/openpyxl/pivot/table.pyi b/stubs/openpyxl/openpyxl/pivot/table.pyi
index 59af9e6eb..6f27a7a32 100644
--- a/stubs/openpyxl/openpyxl/pivot/table.pyi
+++ b/stubs/openpyxl/openpyxl/pivot/table.pyi
@@ -953,3 +953,6 @@ class TableDefinition(Serialisable):
     def to_tree(self): ...
     @property
     def path(self): ...
+    def formatted_fields(self) -> dict[Incomplete, list[Incomplete]]: ...
+    @property
+    def summary(self) -> str: ...
diff --git a/stubs/openpyxl/openpyxl/reader/excel.pyi b/stubs/openpyxl/openpyxl/reader/excel.pyi
index 4747182a4..7464059aa 100644
--- a/stubs/openpyxl/openpyxl/reader/excel.pyi
+++ b/stubs/openpyxl/openpyxl/reader/excel.pyi
@@ -37,6 +37,7 @@ class ExcelReader:
     def read_strings(self) -> None: ...
     def read_workbook(self) -> None: ...
     def read_properties(self) -> None: ...
+    def read_custom(self) -> None: ...
     def read_theme(self) -> None: ...
     def read_chartsheet(self, sheet: Chartsheet, rel: Relationship) -> None: ...
     def read_worksheets(self) -> None: ...
diff --git a/stubs/openpyxl/openpyxl/reader/strings.pyi b/stubs/openpyxl/openpyxl/reader/strings.pyi
index 932a8b6f3..3d6b247de 100644
--- a/stubs/openpyxl/openpyxl/reader/strings.pyi
+++ b/stubs/openpyxl/openpyxl/reader/strings.pyi
@@ -1 +1,6 @@
-def read_string_table(xml_source): ...
+from xml.etree.ElementTree import _FileRead
+
+from openpyxl.cell.rich_text import CellRichText
+
+def read_string_table(xml_source: _FileRead) -> list[str]: ...
+def read_rich_text(xml_source: _FileRead) -> list[CellRichText | str]: ...
diff --git a/stubs/openpyxl/openpyxl/utils/formulas.pyi b/stubs/openpyxl/openpyxl/utils/formulas.pyi
index 6d16169b1..af0607318 100644
--- a/stubs/openpyxl/openpyxl/utils/formulas.pyi
+++ b/stubs/openpyxl/openpyxl/utils/formulas.pyi
@@ -1,3 +1,5 @@
 from typing_extensions import Final
 
 FORMULAE: Final[frozenset[str]]
+
+def validate(formula: str) -> None: ...
diff --git a/stubs/openpyxl/openpyxl/worksheet/_reader.pyi b/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
index 840801abb..4d3cf8f0c 100644
--- a/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
@@ -3,6 +3,9 @@ from _typeshed import Incomplete
 from collections.abc import Container, Generator
 from typing_extensions import Final
 
+from openpyxl.cell.rich_text import CellRichText
+from openpyxl.descriptors.serialisable import _ChildSerialisableTreeElement
+
 from .hyperlink import HyperlinkList
 from .pagebreak import ColBreak, RowBreak
 from .protection import SheetProtection
@@ -37,6 +40,8 @@ DATA_TAG: Final[str]
 DIMENSION_TAG: Final[str]
 CUSTOM_VIEWS_TAG: Final[str]
 
+def parse_richtext_string(element: _ChildSerialisableTreeElement) -> CellRichText | str: ...
+
 class WorkSheetParser:
     min_row: Incomplete | None
     min_col: Incomplete | None
diff --git a/stubs/openpyxl/openpyxl/worksheet/cell_range.pyi b/stubs/openpyxl/openpyxl/worksheet/cell_range.pyi
index 1c6e0f61d..68e7bfbd9 100644
--- a/stubs/openpyxl/openpyxl/worksheet/cell_range.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/cell_range.pyi
@@ -79,6 +79,7 @@ class MultiCellRange(Strict):
     ranges: Incomplete
     def __init__(self, ranges=...) -> None: ...
     def __contains__(self, coord): ...
+    def sorted(self) -> list[CellRange]: ...
     def add(self, coord) -> None: ...
     def __iadd__(self, coord): ...
     def __eq__(self, other): ...
diff --git a/stubs/openpyxl/openpyxl/worksheet/filters.pyi b/stubs/openpyxl/openpyxl/worksheet/filters.pyi
index a53c503f1..96489745c 100644
--- a/stubs/openpyxl/openpyxl/worksheet/filters.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/filters.pyi
@@ -1,11 +1,14 @@
 from _typeshed import Incomplete, Unused
 from datetime import datetime
+from re import Pattern
 from typing import ClassVar, overload
 from typing_extensions import Literal, TypeAlias
 
+from openpyxl.descriptors import Strict
 from openpyxl.descriptors.base import (
     Alias,
     Bool,
+    Convertible,
     DateTime,
     Float,
     Integer,
@@ -21,6 +24,8 @@ from openpyxl.descriptors.base import (
 from openpyxl.descriptors.excel import ExtensionList
 from openpyxl.descriptors.serialisable import Serialisable
 
+from ..descriptors.base import _N
+
 _SortConditionSortBy: TypeAlias = Literal["value", "cellColor", "fontColor", "icon"]
 _IconSet: TypeAlias = Literal[
     "3Arrows",
@@ -167,6 +172,18 @@ class DynamicFilter(Serialisable):
         maxValIso: datetime | str | None = None,
     ) -> None: ...
 
+class CustomFilterValueDescriptor(Convertible[float | str, _N]):
+    pattern: Pattern[str]
+    expected_type: type[float | str]
+    @overload  # type:ignore[override]  # Different restrictions
+    def __set__(
+        self: CustomFilterValueDescriptor[Literal[True]], instance: Serialisable | Strict, value: str | _ConvertibleToFloat | None
+    ) -> None: ...
+    @overload
+    def __set__(
+        self: CustomFilterValueDescriptor[Literal[False]], instance: Serialisable | Strict, value: str | _ConvertibleToFloat
+    ) -> None: ...
+
 class CustomFilter(Serialisable):
     tagname: ClassVar[str]
     operator: NoneSet[_CustomFilterOperator]
diff --git a/stubs/openpyxl/openpyxl/xml/_functions_overloads.pyi b/stubs/openpyxl/openpyxl/xml/_functions_overloads.pyi
index be1fb7a04..06437d35f 100644
--- a/stubs/openpyxl/openpyxl/xml/_functions_overloads.pyi
+++ b/stubs/openpyxl/openpyxl/xml/_functions_overloads.pyi
@@ -20,13 +20,14 @@ class _HasTag(Protocol):
 class _HasText(Protocol):
     text: str
 
+class _HasAttrib(Protocol):
+    attrib: Iterable[Any]  # AnyOf[dict[str, str], Iterable[tuple[str, str]]]
+
 class _HasTagAndGet(_HasTag, Protocol[_T_co]):
     def get(self, __value: str) -> _T_co | None: ...
 
 class _HasTagAndText(_HasTag, _HasText, Protocol): ...  # noqa: Y046
-
-class _HasTagAndTextAndAttrib(_HasTag, _HasText, Protocol):  # noqa: Y046
-    attrib: Iterable[Any]  # AnyOf[dict[str, str], Iterable[tuple[str, str]]]
+class _HasTagAndTextAndAttrib(_HasTag, _HasText, _HasAttrib, Protocol): ...  # noqa: Y046
 
 class _ParentElement(Protocol[_T]):
     def makeelement(self, __tag: str, __attrib: dict[str, str]) -> _T: ...