Add NEWS for 5.2.12.
diff --git a/NEWS b/NEWS
index e53214c..409f34d 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,20 @@
XZ Utils Release Notes
======================
+5.2.12 (2023-05-04)
+
+ * Fixed a build system bug that prevented building liblzma as a
+ shared library when configured with --disable-threads. This bug
+ affected releases 5.2.6 to 5.2.11 and 5.4.0 to 5.4.2.
+
+ * Include <intrin.h> for Windows intrinsic functions where they are
+ needed. This fixed a bug that prevented building liblzma using
+ clang-cl on Windows.
+
+ * Minor update to the Croatian translation. The small change
+ applies to a string in both 5.2 and 5.4 branches.
+
+
5.2.11 (2023-03-18)
* Removed all possible cases of null pointer + 0. It is undefined