Add changelog and migrating entry

CosmWasm · Oct 18, 2023 · 434ef6d · 434ef6d
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -19,11 +19,15 @@ and this project adheres to
   ([#1874])
 - cosmwasm-vm: Make `CacheOptions` non-exhaustive and add a constructor.
   ([#1898])
+- cosmwasm-std: `Coin::new` now takes `Into<Uint128>` instead of `u128` as the
+  first argument and `DecCoin::new` takes `Into<Decimal256>` instead of
+  `Decimal256`. ([#1902])
 
 [#1874]: https://github.com/CosmWasm/cosmwasm/pull/1874
 [#1879]: https://github.com/CosmWasm/cosmwasm/pull/1879
 [#1890]: https://github.com/CosmWasm/cosmwasm/pull/1890
 [#1898]: https://github.com/CosmWasm/cosmwasm/pull/1898
+[#1902]: https://github.com/CosmWasm/cosmwasm/pull/1902
 
 ## [1.5.0-rc.0]
 

diff --git a/MIGRATING.md b/MIGRATING.md
@@ -62,6 +62,13 @@ major releases of `cosmwasm`. Note that you can also view the
   +Uint128::new(123456).mul_floor(Decimal::percent(1));
   ```
 
+- When calling `Coin::new`, you now have to explicitly specify the integer type:
+
+  ```diff
+  -Coin::new(1234, "uatom")
+  +Coin::new(1234u128, "uatom")
+  ```
+
 ## 1.4.x -> 1.5.0
 
 - Update `cosmwasm-*` dependencies in Cargo.toml (skip the ones you don't use):