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diff --git a/Documentation/RelNotes/1.7.4.2.txt b/Documentation/RelNotes/1.7.4.2.txt
index afb3871..991dae4 100644
--- a/Documentation/RelNotes/1.7.4.2.txt
+++ b/Documentation/RelNotes/1.7.4.2.txt
@@ -7,6 +7,11 @@ Fixes since v1.7.4.1
* Many documentation updates to match "git cmd -h" output and the
git-cmd manual page.
+ * We used to keep one file descriptor open for each and every packfile
+ that we have a mmap window on it (read: "in use"), even when for very
+ tiny packfiles. We now close the file descriptor early when the entire
+ packfile fits inside one mmap window.
+
* "git clone /no/such/path" did not fail correctly.
* "git commit" did not correctly error out when the user asked to use a
@@ -34,6 +39,10 @@ Fixes since v1.7.4.1
to update the upstream branch it forked from is now called "upstream".
The old name "tracking" is and will be supported.
+ * "git submodule update" used to honor the --merge/--rebase option (or
+ corresponding configuration variables) even for a newly cloned
+ subproject, which made no sense (so/submodule-no-update-first-time).
+
* gitweb's "highlight" interface mishandled tabs.
* gitweb had a few forward-incompatible syntactic constructs and