added changelog entry

cometbft · Jul 15, 2024 · 1841d30 · 1841d30
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diff --git a/.changelog/v0.13.0/features/168-iter-key.md b/.changelog/v0.13.0/features/168-iter-key.md
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+- Iterator Key and Value APIs now return an object that must be copied before
+  use ([\#168](https://github.com/cometbft/cometbft-db/pull/168))
diff --git a/.changelog/v0.13.0/summary.md b/.changelog/v0.13.0/summary.md
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+<!--
+    Add a summary for the release here.
+
+    If you don't change this message, or if this file is empty, the release
+    will not be created. -->
+This release changes the contract of the Iterator Key() and Value() APIs.
+Namely, the caller is now responsible for creating a copy of their returned value if they want to modify it.