+
+\ifdefined\fontseriesforce
+%%%% LaTeX 2020-02-02
+\let\prepare@family@series@update@kanji=\prepare@family@series@update
+\patchcmd\prepare@family@series@update{\fontfamily}{\romanfamily}{}{}
+\patchcmd\prepare@family@series@update@kanji{\fontfamily}{\kanjifamily}{}{}
+\patchcmd\prepare@family@series@update@kanji{\f@series}{\k@series}{}{}
+\patchcmd\prepare@family@series@update@kanji{\maybe@load@fontshape}
+ {\begingroup\let\f@encoding\k@encoding\let\f@family\k@family
+ \maybe@load@fontshape\endgroup}{}{}
+\appto\@meta@family@list{\@elt{mc}\@elt{gt}\@elt{jtt}}
+\DeclareRobustCommand\bfseries{%
+ \not@math@alphabet\bfseries\mathbf
+ \expand@font@defaults
+ \romanseries{%
+ \ifx\f@family\rmdef@ult \bfseries@rm
+ \else\ifx\f@family\sfdef@ult \bfseries@sf
+ \else\ifx\f@family\ttdef@ult \bfseries@tt
+ \else \bfdefault
+ \fi\fi\fi
+ }%
+ \kanjiseries{%
+ \ifx\k@family\mcdef@ult \bfseries@mc
+ \else\ifx\k@family\gtdef@ult \bfseries@gt
+ \else\ifx\k@family\jttdef@ult\bfseries@jtt
+ \else \bfdefault
+ \fi\fi\fi
+ }%
+ \selectfont
+}
+\DeclareRobustCommand\mdseries{%
+ \not@math@alphabet\mdseries\relax
+ \expand@font@defaults
+ \romanseries{%
+ \ifx\f@family\rmdef@ult \mdseries@rm
+ \else\ifx\f@family\sfdef@ult \mdseries@sf
+ \else\ifx\f@family\ttdef@ult \mdseries@tt
+ \else \mddefault
+ \fi\fi\fi
+ }%
+ \kanjiseries{%
+ \ifx\k@family\mcdef@ult \mdseries@mc
+ \else\ifx\k@family\gtdef@ult \mdseries@gt
+ \else\ifx\k@family\jttdef@ult\mdseries@jtt
+ \else \mddefault
+ \fi\fi\fi
+ }%
+ \selectfont
+}
+\appto\expand@font@defaults{%
+ \edef\mcdef@ult{\mcdefault}%
+ \edef\gtdef@ult{\gtdefault}%
+ \edef\jttdef@ult{\jttdefault}%
+ \edef\kanjidef@ult{\kanjifamilydefault}%
+}
+\appto\init@series@setup{%
+ \ifx\kanjidef@ult\mcdef@ult \mcfamily
+ \else\ifx\kanjidef@ult\gtdef@ult \gtfamily
+ \else\ifx\kanjidef@ult\jttdef@ult \jttfamily
+ \fi\fi\fi
+}
+\else
+%%%% LaTeX 2019-10-01
+\def\prepare@family@series@update@kanji#1{\kanjifamily}
+\fi
+