updated compiler versions and C++ versions status

Author: Sebastien Ponce

Diff for: talk/introduction/history.tex

@@ -89,8 +89,8 @@
     \begin{itemize}
     \item A new \cpp specification every 3 years
       \begin{itemize}
-      \item \cpp23 complete since 11\textsuperscript{th} of Feb. 2023, awaiting ISO ballot
-      \item work on \cpp26 has begun
+      \item \cpp23 complete since 11\textsuperscript{th} of Feb. 2023
+      \item work on \cpp26 is ongoing
       \end{itemize}
     \item Bringing each time a lot of goodies
     \end{itemize}
@@ -113,8 +113,8 @@
             11 & $\geq$4.8 & $\geq$3.3\\
             14 & $\geq$4.9 & $\geq$3.4\\
             17 & $\geq$7.3 & $\geq$5\\
-            20 & $>$11, 14  & $>$12,18 \\
-            23 & $>$14  & $>$17,18 \\
+            20 & $\geq$11, 14  & $\geq$19 \\
+            23 & $>$15  & $>$20 \\
           \end{tabular}
           \caption{Minimum versions of gcc and clang for a given \cpp version}
         \end{center}