3 files changed, 31 insertions, 22 deletions
diff --git a/Master/texmf-dist/source/latex/siunitx/siunitx-print.dtx b/Master/texmf-dist/source/latex/siunitx/siunitx-print.dtx
index a38edf5c55d..5b14aa123bc 100644
--- a/Master/texmf-dist/source/latex/siunitx/siunitx-print.dtx
+++ b/Master/texmf-dist/source/latex/siunitx/siunitx-print.dtx
@@ -339,7 +339,7 @@
 %     \l_@@_math_version_bool ,
 %     \l_@@_math_family_bool  ,
 %     \l_@@_text_font_tl      ,
-%     \l_@@_math_weight_bool
+%     \l_@@_math_series_bool
 %   }
 %   Options which apply to the main formatting routine, and so are not tied
 %   to either symbolic or literal input.
@@ -375,7 +375,7 @@
     text-font-command .tl_set:N =
       \l_@@_text_font_tl ,
     text-series-to-math .bool_set:N =
-      \l_@@_math_weight_bool ,
+      \l_@@_math_series_bool ,
     unit-color .tl_set:N =
       \l_@@_unit_color_tl ,
     unit-mode .choices:nn =
@@ -482,32 +482,32 @@
 %
 % \begin{variable}
 %   {
-%      \c_@@_weight_uc_tl ,
-%      \c_@@_weight_ecl_tl ,
-%      \c_@@_weight_c_tl ,
-%      \c_@@_weight_sc_tl ,
-%      \c_@@_weight_sx_tl ,
-%      \c_@@_weight_x_tl ,
-%      \c_@@_weight_ex_tl ,
-%      \c_@@_weight_ux_tl
+%      \c_@@_series_uc_tl ,
+%      \c_@@_series_ecl_tl ,
+%      \c_@@_series_c_tl ,
+%      \c_@@_series_sc_tl ,
+%      \c_@@_series_sx_tl ,
+%      \c_@@_series_x_tl ,
+%      \c_@@_series_ex_tl ,
+%      \c_@@_series_ux_tl
 %   }
 %  Font widths where the |m| for weight is omitted.
 %    \begin{macrocode}
 \clist_map_inline:nn { uc , ec , c , sc , sx , x , ex , ux }
-  { \tl_const:cn { c_@@_weight_ #1 _tl } { m } }
+  { \tl_const:cn { c_@@_series_ #1 _tl } { m } }
 %    \end{macrocode}
 % \end{variable}
 %
 % \begin{variable}
 %   {
-%      \c_@@_weight_l_tl ,
-%      \c_@@_weight_m_tl ,
-%      \c_@@_weight_b_tl
+%      \c_@@_series_l_tl ,
+%      \c_@@_series_m_tl ,
+%      \c_@@_series_b_tl
 %   }
 %  Font widths with one letter.
 %    \begin{macrocode}
 \clist_map_inline:nn { l , m , b }
-  { \tl_const:cn { c_@@_weight_ #1 _tl } { #1 } }
+  { \tl_const:cn { c_@@_series_ #1 _tl } { #1 } }
 %    \end{macrocode}
 % \end{variable}
 %
@@ -535,7 +535,9 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \siunitx_print_math:n #1
   {
-    \bool_if:NTF \l_@@_math_weight_bool
+    \bool_lazy_and:nnTF
+      { \l_@@_math_series_bool }
+      { \str_if_eq_p:Vn \math@version { normal } }
       {
         \tl_set:Nx \l_@@_tmp_tl
           { \exp_after:wN \@@_extract_series:Nw \f@series ? \q_stop }
@@ -551,13 +553,13 @@
 %   work to do. To keep things fast, we use a hash table based lookup rather
 %   than a sequence or property list.
 %    \begin{macrocode}
-\cs_new:Npn \@@_extract_series:Nw  #1#2 ? #3 \q_stop
+\cs_new:Npn \@@_extract_series:Nw #1#2 ? #3 \q_stop
   {
-    \cs_if_exist:cTF { c_@@_weight_ #1#2 _tl }
-      { \@@_convert_series:v { c_@@_weight_ #1#2 _tl } }
+    \cs_if_exist:cTF { c_@@_series_ #1#2 _tl }
+      { \@@_convert_series:v { c_@@_series_ #1#2 _tl } }
       {
-        \cs_if_exist:cTF { c_@@_weight_ #1 _tl }
-          { \@@_convert_series:v { c_@@_weight_ #1 _tl } }
+        \cs_if_exist:cTF { c_@@_series_ #1 _tl }
+          { \@@_convert_series:v { c_@@_series_ #1 _tl } }
           { \@@_convert_series:n {#1#2} }
       }
   }
diff --git a/Master/texmf-dist/source/latex/siunitx/siunitx.dtx b/Master/texmf-dist/source/latex/siunitx/siunitx.dtx
index dde4c1ade4a..1269e5ff90d 100644
--- a/Master/texmf-dist/source/latex/siunitx/siunitx.dtx
+++ b/Master/texmf-dist/source/latex/siunitx/siunitx.dtx
@@ -121,7 +121,7 @@
 %
 % Identify the package and give the over all version information.
 %    \begin{macrocode}
-\ProvidesExplPackage {siunitx} {2021-08-27} {3.0.28}
+\ProvidesExplPackage {siunitx} {2021-09-06} {3.0.29}
   {A comprehensive (SI) units package}
 %    \end{macrocode}
 %
diff --git a/Master/texmf-dist/source/latex/siunitx/siunitx.tex b/Master/texmf-dist/source/latex/siunitx/siunitx.tex
index b83b72463d3..95cad5ca88e 100644
--- a/Master/texmf-dist/source/latex/siunitx/siunitx.tex
+++ b/Master/texmf-dist/source/latex/siunitx/siunitx.tex
@@ -1900,6 +1900,13 @@ exponents.
   \qtyrange[range-units = repeat]{2}{4}{\degreeCelsius} \\
   \qtyrange[range-units = single]{2}{4}{\degreeCelsius}
 \end{LaTeXdemo}
+The option \opt{product-units} also offers the settings \opt{bracket-power} and
+\opt{power}.
+\begin{LaTeXdemo}
+  \qtyproduct{2 x 4}{\metre} \\
+  \qtyproduct[product-units = bracket-power]{2 x 4}{\metre} \\
+  \qtyproduct[product-units = power]{2 x 4}{\metre}
+\end{LaTeXdemo}
 
 \subsection{Complex numbers}