added change entries

base/ltshipout.dtx

@@ -1016,6 +1016,7 @@
 
 %  \begin{macro}{\RawShipout}
 %    The interface name for raw shipout.
+% \changes{v1.0g}{2021/01/10}{Macro added}
 %    \begin{macrocode}
 \cs_gset_eq:NN \RawShipout \@@_execute_raw:
 %    \end{macrocode}
@@ -1053,6 +1054,8 @@
 %                \@kernel@after@shipout@background}
 %    And here are the internal kernel hooks going before or after the
 %    public ones where needed.
+% \changes{v1.0g}{2021/01/10}{Internal hook
+%                             \cs{@kernel@after@shipout@background} added}
 %    \begin{macrocode}
 \let\@kernel@after@shipout@lastpage\@empty
 \let\@kernel@before@shipout@background\@empty
@@ -1063,6 +1066,8 @@
 %
 %  \begin{macro}{\@@_run_firstpage_hook:}
 %
+% \changes{v1.0h}{2021/01/19}{Handling of firstpage hook altered}
+%
 %    There are three commands to handle the \hook{shipout/firstpage}
 %    hook:
 %    \cs{@@_run_firstpage_hook:}, \cs{@@_add_firstpage_specials:} and