Add minimal CHANGELOG

orijtech · Feb 27, 2022 · 8ea0b23 · 8ea0b23
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+# Changelog
+
+# v0.7.0
+
+This handles non-existence tests for empty branches properly. This
+is needed for properly handling proofs on Tries, like the SMT being 
+integrated with the Cosmos SDK.
+
+This is used in ibc-go v3
+
+# 0.6.x
+
+This handles proofs for normal merkle trees, where every branch is full.
+This works for tendermint merkle hashes and iavl hashes, and should work
+for merk (nomic's db) proofs.
+
+This was used in the original ibc release (cosmos sdk v0.40) and up until
+ibc-go v2.