diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60133dce50..f88abe5212 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ The minor version will be incremented upon a breaking change and the patch versi
 - lang: Add `get_lamports`, `add_lamports` and `sub_lamports` methods for all account types ([#2552](https://github.com/coral-xyz/anchor/pull/2552)).
 - client: Add a helper struct `DynSigner` to simplify use of `Client<C> where <C: Clone + Deref<Target = impl Signer>>` with Solana clap CLI utils that loads `Signer` as `Box<dyn Signer>` ([#2550](https://github.com/coral-xyz/anchor/pull/2550)).
 - lang: Allow CPI calls matching an interface without pinning program ID ([#2559](https://github.com/coral-xyz/anchor/pull/2559)).
+- cli, lang: Add IDL generation through compilation. `anchor build` still uses parsing method to generate IDLs, use `anchor idl build` to generate IDLs with the build method ([#2011](https://github.com/coral-xyz/anchor/pull/2011)).
 
 ### Fixes
 
@@ -23,6 +24,8 @@ The minor version will be incremented upon a breaking change and the patch versi
 
 ### Breaking
 
+- syn: `idl` feature has been replaced with `idl-build`, `idl-parse` and `idl-types` features ([#2011](https://github.com/coral-xyz/anchor/pull/2011)).
+
 ## [0.28.0] - 2023-06-09
 
 ### Features