CHANGELOG.md: update for v0.26.3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f12016..ef5347c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,28 @@
+v0.26.3
+-------
+
+This is a bugfix release. It includes the following non-exclusive list of
+improvements, which have been backported from the master branch:
+
+* Fix cloning of the libgit2 project with `git clone --recursive` by removing an
+ invalid submodule from our testing data.
+
+* Fix endianness of the port in `p_getaddrinfo()`.
+
+* Fix handling of negative gitignore rules with wildcards.
+
+* Fix handling of case-insensitive negative gitignore rules.
+
+* Fix resolving references to a tag if the reference is stored with its fully
+ resolved OID in the packed-refs file.
+
+* Fix checkout not treating worktree files as modified when only their mode has
+ changed.
+
+* Fix rename detection with `GIT_DIFF_FIND_RENAMES_FROM_REWRITES`.
+
+* Enable Windows 7 and earlier to use TLS 1.2.
+
v0.26.2
-------