The changes to ip_frag might impact some conformance or
performance tests.

Signed-off-by: Stephen Hemminger <[email protected]>
---
 doc/guides/rel_notes/release_26_07.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/guides/rel_notes/release_26_07.rst 
b/doc/guides/rel_notes/release_26_07.rst
index 4ca0a9ac77..a419803401 100644
--- a/doc/guides/rel_notes/release_26_07.rst
+++ b/doc/guides/rel_notes/release_26_07.rst
@@ -241,6 +241,12 @@ API Changes
   - ``rte_pmd_mlx5_enable_steering``
   - ``rte_pmd_mlx5_disable_steering``
 
+* **ip_frag: hardened IP reassembly against malformed fragments.**
+
+  Duplicate, overlapping, oversized, and (for IPv6) per-fragment-header
+  fragments are now rejected rather than mis-reassembled. This changes which
+  fragment streams reassemble and may affect throughput.
+
 
 ABI Changes
 -----------
-- 
2.53.0

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