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-rw-r--r--Doc/whatsnew/whatsnew25.tex6
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/whatsnew/whatsnew25.tex b/Doc/whatsnew/whatsnew25.tex
index 8c149a9..968b95a 100644
--- a/Doc/whatsnew/whatsnew25.tex
+++ b/Doc/whatsnew/whatsnew25.tex
@@ -1201,6 +1201,12 @@ Frame objects are also slightly smaller, which may improve cache locality
and reduce memory usage a bit. (Contributed by Neal Norwitz.)
% Patch 1337051
+\item Python's built-in exceptions are now new-style classes, a change
+that speeds up instantiation considerably. Exception handling in
+Python 2.5 is therefore about 30\% faster than in 2.4.
+(Contributed by Richard Jones and Sean Reifschneider at the
+NeedForSpeed sprint.)
+
\item Importing now caches the paths tried, recording whether
they exist or not so that the interpreter makes fewer
\cfunction{open()} and \cfunction{stat()} calls on startup.