diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index bd99464074d8..068a4b827750 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,7 +1,7 @@
 {
-  ".": "0.41.0",
+  ".": "0.42.0",
   "yarn-project/cli": "0.35.1",
-  "yarn-project/aztec": "0.41.0",
-  "barretenberg": "0.41.0",
-  "barretenberg/ts": "0.41.0"
+  "yarn-project/aztec": "0.42.0",
+  "barretenberg": "0.42.0",
+  "barretenberg/ts": "0.42.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bf80dd24331..db2102f0e40d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,59 @@
 # Changelog
 
+## [0.42.0](https://github.com/AztecProtocol/aztec-packages/compare/aztec-packages-v0.41.0...aztec-packages-v0.42.0) (2024-05-22)
+
+
+### ⚠ BREAKING CHANGES
+
+* migrate public to avm simulator ([#6448](https://github.com/AztecProtocol/aztec-packages/issues/6448))
+
+### Features
+
+* Add `as_witness` builtin function in order to constrain a witness to be equal to a variable  (https://github.com/noir-lang/noir/pull/4641) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* Add native rust implementation of schnorr signature verification (https://github.com/noir-lang/noir/pull/5053) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* **avm:** Internal call stack dedicated memory ([#6503](https://github.com/AztecProtocol/aztec-packages/issues/6503)) ([d3c3d4a](https://github.com/AztecProtocol/aztec-packages/commit/d3c3d4a565568329ca55f24e7f5e8d3e293e1366)), closes [#6245](https://github.com/AztecProtocol/aztec-packages/issues/6245)
+* **docs:** How to Test ([#6186](https://github.com/AztecProtocol/aztec-packages/issues/6186)) ([172e415](https://github.com/AztecProtocol/aztec-packages/commit/172e4150d0750825063ad76be0c73e27fe48f3a9))
+* Implement turbofish operator (https://github.com/noir-lang/noir/pull/3542) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* Inject fee payment update in base rollup ([#6403](https://github.com/AztecProtocol/aztec-packages/issues/6403)) ([4991188](https://github.com/AztecProtocol/aztec-packages/commit/4991188afcab7c5c707fea99797bd3f5222ab2dc))
+* Migrate public to avm simulator ([#6448](https://github.com/AztecProtocol/aztec-packages/issues/6448)) ([c45e8c2](https://github.com/AztecProtocol/aztec-packages/commit/c45e8c2ada91d4c6a31bda1f65ac6cca89ca2254))
+* Prototype for using the databus with ACIR opcode ([#6366](https://github.com/AztecProtocol/aztec-packages/issues/6366)) ([9f746d9](https://github.com/AztecProtocol/aztec-packages/commit/9f746d9f0cd24cecdb86c0fb9af555bc2d1f0bf6))
+* Representation of a grumpkin verifier commitment key inside a bn254 circuit ([#6593](https://github.com/AztecProtocol/aztec-packages/issues/6593)) ([1d84975](https://github.com/AztecProtocol/aztec-packages/commit/1d84975d1093e601b4c9ad9d68855b39898ef79a))
+* Run kernel reset between iterations as needed ([#6554](https://github.com/AztecProtocol/aztec-packages/issues/6554)) ([d2ab01d](https://github.com/AztecProtocol/aztec-packages/commit/d2ab01dc908832f5ce9c69aaf8525da29a39ebaa))
+
+
+### Bug Fixes
+
+* Add missing initializers ([#6591](https://github.com/AztecProtocol/aztec-packages/issues/6591)) ([a575708](https://github.com/AztecProtocol/aztec-packages/commit/a575708cecc47a73bce82b67b3964e21bce77cdf))
+* **ci:** Remove disk-having instance type ([#6592](https://github.com/AztecProtocol/aztec-packages/issues/6592)) ([f912ba3](https://github.com/AztecProtocol/aztec-packages/commit/f912ba33f55c9c145fc65e4cbbdd3562d185d211))
+* **ci:** Remove instance types with a disk ([#6587](https://github.com/AztecProtocol/aztec-packages/issues/6587)) ([c18de5b](https://github.com/AztecProtocol/aztec-packages/commit/c18de5b6924c2352ed987e9ee1977829654e26aa))
+* Dont take down ensure-builder runs early ([#6526](https://github.com/AztecProtocol/aztec-packages/issues/6526)) ([2e8351d](https://github.com/AztecProtocol/aztec-packages/commit/2e8351d807f76858133af2b357cfb8c5736338cc))
+* **frontend:** Call trait method with mut self from generic definition (https://github.com/noir-lang/noir/pull/5041) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* Remove finalize from acir create circuit ([#6585](https://github.com/AztecProtocol/aztec-packages/issues/6585)) ([f45d20d](https://github.com/AztecProtocol/aztec-packages/commit/f45d20d9340d40efadebcc13b27dd8f1c43f0540))
+
+
+### Miscellaneous
+
+* Add retries to noir tests ([#6606](https://github.com/AztecProtocol/aztec-packages/issues/6606)) ([15b0ed5](https://github.com/AztecProtocol/aztec-packages/commit/15b0ed579053d76d80a61ed539c2e76af0b8fcb2))
+* Add serde traits to compressed string ([#6569](https://github.com/AztecProtocol/aztec-packages/issues/6569)) ([65ee122](https://github.com/AztecProtocol/aztec-packages/commit/65ee122a62055a621ad35f3fb7db97317500ea3a))
+* Add simple `bb` installer script ([#6376](https://github.com/AztecProtocol/aztec-packages/issues/6376)) ([51bc682](https://github.com/AztecProtocol/aztec-packages/commit/51bc6823db025432b495b5b08a796942a87d1302))
+* **ci:** Always show build summary ([#6612](https://github.com/AztecProtocol/aztec-packages/issues/6612)) ([d606c21](https://github.com/AztecProtocol/aztec-packages/commit/d606c21a8c88e0141ed77d1410e0cee3f6c84cd4))
+* **ci:** Don't fail creating launch template ([#6595](https://github.com/AztecProtocol/aztec-packages/issues/6595)) ([2d10848](https://github.com/AztecProtocol/aztec-packages/commit/2d1084815e8d85515bc7bae9419988802c5a45b2))
+* **ci:** Fix running out of disk ([#6597](https://github.com/AztecProtocol/aztec-packages/issues/6597)) ([f45eb94](https://github.com/AztecProtocol/aztec-packages/commit/f45eb94248ce0ef38344d1fc7e55998fdf31723c))
+* **ci:** Merge-check fixes ([#6485](https://github.com/AztecProtocol/aztec-packages/issues/6485)) ([bd0ae42](https://github.com/AztecProtocol/aztec-packages/commit/bd0ae422e9f1b7e955c9b68b4a5238b248e128d4))
+* Clarify that ci-consistency is a warning ([#6567](https://github.com/AztecProtocol/aztec-packages/issues/6567)) ([7720ea9](https://github.com/AztecProtocol/aztec-packages/commit/7720ea9d99394fe2a4acf64c0832e82eff02699d))
+* **docs:** Add redirects ([#6581](https://github.com/AztecProtocol/aztec-packages/issues/6581)) ([432cec0](https://github.com/AztecProtocol/aztec-packages/commit/432cec020ed1bb73adcc1d6be8159609c22d328e))
+* **experimental:** Elaborate impls & non-trait impls (https://github.com/noir-lang/noir/pull/5007) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* Fix benchmark comparison with master ([#6598](https://github.com/AztecProtocol/aztec-packages/issues/6598)) ([a30bcc5](https://github.com/AztecProtocol/aztec-packages/commit/a30bcc5a52d2072734cc9a0d1727b32a0c053acb))
+* Fix unencrypted logs mismatch for AVM with a +4 ([#6580](https://github.com/AztecProtocol/aztec-packages/issues/6580)) ([da82b58](https://github.com/AztecProtocol/aztec-packages/commit/da82b58ff8a84fd12278b5b6bfea90e5521cf6fa))
+* Release Noir(0.30.0) (https://github.com/noir-lang/noir/pull/4981) ([221e247](https://github.com/AztecProtocol/aztec-packages/commit/221e2479622aef8e70120dc0a9f91ffcbc99efba))
+* Remove aes slice ([#6550](https://github.com/AztecProtocol/aztec-packages/issues/6550)) ([f44d567](https://github.com/AztecProtocol/aztec-packages/commit/f44d567ec39f3806a1d24b6bc526c78611381034))
+* Replace relative paths to noir-protocol-circuits ([5708181](https://github.com/AztecProtocol/aztec-packages/commit/5708181affb9e432f46b07ebdb4429d489eca47e))
+
+
+### Documentation
+
+* Update docusaurus.config.js - pretty diffs ([#6594](https://github.com/AztecProtocol/aztec-packages/issues/6594)) ([27e3c90](https://github.com/AztecProtocol/aztec-packages/commit/27e3c900f30e465b54d2a38818d25e971424dd6e))
+
 ## [0.41.0](https://github.com/AztecProtocol/aztec-packages/compare/aztec-packages-v0.40.1...aztec-packages-v0.41.0) (2024-05-21)
 
 
diff --git a/barretenberg/CHANGELOG.md b/barretenberg/CHANGELOG.md
index 52a8d33dab7e..1632d163a25a 100644
--- a/barretenberg/CHANGELOG.md
+++ b/barretenberg/CHANGELOG.md
@@ -1,5 +1,25 @@
 # Changelog
 
+## [0.42.0](https://github.com/AztecProtocol/aztec-packages/compare/barretenberg-v0.41.0...barretenberg-v0.42.0) (2024-05-22)
+
+
+### Features
+
+* **avm:** Internal call stack dedicated memory ([#6503](https://github.com/AztecProtocol/aztec-packages/issues/6503)) ([d3c3d4a](https://github.com/AztecProtocol/aztec-packages/commit/d3c3d4a565568329ca55f24e7f5e8d3e293e1366)), closes [#6245](https://github.com/AztecProtocol/aztec-packages/issues/6245)
+* Prototype for using the databus with ACIR opcode ([#6366](https://github.com/AztecProtocol/aztec-packages/issues/6366)) ([9f746d9](https://github.com/AztecProtocol/aztec-packages/commit/9f746d9f0cd24cecdb86c0fb9af555bc2d1f0bf6))
+* Representation of a grumpkin verifier commitment key inside a bn254 circuit ([#6593](https://github.com/AztecProtocol/aztec-packages/issues/6593)) ([1d84975](https://github.com/AztecProtocol/aztec-packages/commit/1d84975d1093e601b4c9ad9d68855b39898ef79a))
+
+
+### Bug Fixes
+
+* Add missing initializers ([#6591](https://github.com/AztecProtocol/aztec-packages/issues/6591)) ([a575708](https://github.com/AztecProtocol/aztec-packages/commit/a575708cecc47a73bce82b67b3964e21bce77cdf))
+* Remove finalize from acir create circuit ([#6585](https://github.com/AztecProtocol/aztec-packages/issues/6585)) ([f45d20d](https://github.com/AztecProtocol/aztec-packages/commit/f45d20d9340d40efadebcc13b27dd8f1c43f0540))
+
+
+### Miscellaneous
+
+* Add simple `bb` installer script ([#6376](https://github.com/AztecProtocol/aztec-packages/issues/6376)) ([51bc682](https://github.com/AztecProtocol/aztec-packages/commit/51bc6823db025432b495b5b08a796942a87d1302))
+
 ## [0.41.0](https://github.com/AztecProtocol/aztec-packages/compare/barretenberg-v0.40.1...barretenberg-v0.41.0) (2024-05-21)
 
 
diff --git a/barretenberg/cpp/CMakeLists.txt b/barretenberg/cpp/CMakeLists.txt
index f277ebfa089f..ae8161f50e66 100644
--- a/barretenberg/cpp/CMakeLists.txt
+++ b/barretenberg/cpp/CMakeLists.txt
@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 project(
     Barretenberg
     DESCRIPTION "BN254 elliptic curve library, and PLONK SNARK prover"
-    VERSION 0.41.0 # x-release-please-version
+    VERSION 0.42.0 # x-release-please-version
     LANGUAGES CXX C
 )
 # Insert version into `bb` config file
diff --git a/barretenberg/ts/CHANGELOG.md b/barretenberg/ts/CHANGELOG.md
index 4e46da1363fa..1f0ce5f0e7db 100644
--- a/barretenberg/ts/CHANGELOG.md
+++ b/barretenberg/ts/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.42.0](https://github.com/AztecProtocol/aztec-packages/compare/barretenberg.js-v0.41.0...barretenberg.js-v0.42.0) (2024-05-22)
+
+
+### Miscellaneous
+
+* **barretenberg.js:** Synchronize aztec-packages versions
+
 ## [0.41.0](https://github.com/AztecProtocol/aztec-packages/compare/barretenberg.js-v0.40.1...barretenberg.js-v0.41.0) (2024-05-21)
 
 
diff --git a/barretenberg/ts/package.json b/barretenberg/ts/package.json
index b783674569a5..adbb6c9c406b 100644
--- a/barretenberg/ts/package.json
+++ b/barretenberg/ts/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aztec/bb.js",
-  "version": "0.41.0",
+  "version": "0.42.0",
   "homepage": "https://github.com/AztecProtocol/aztec-packages/tree/master/barretenberg/ts",
   "license": "MIT",
   "type": "module",
diff --git a/yarn-project/aztec/CHANGELOG.md b/yarn-project/aztec/CHANGELOG.md
index f1357731dcb0..524e6e067dc6 100644
--- a/yarn-project/aztec/CHANGELOG.md
+++ b/yarn-project/aztec/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.42.0](https://github.com/AztecProtocol/aztec-packages/compare/aztec-package-v0.41.0...aztec-package-v0.42.0) (2024-05-22)
+
+
+### Features
+
+* Inject fee payment update in base rollup ([#6403](https://github.com/AztecProtocol/aztec-packages/issues/6403)) ([4991188](https://github.com/AztecProtocol/aztec-packages/commit/4991188afcab7c5c707fea99797bd3f5222ab2dc))
+
 ## [0.41.0](https://github.com/AztecProtocol/aztec-packages/compare/aztec-package-v0.40.1...aztec-package-v0.41.0) (2024-05-21)
 
 
diff --git a/yarn-project/aztec/package.json b/yarn-project/aztec/package.json
index 3f427bae608a..476468aaca56 100644
--- a/yarn-project/aztec/package.json
+++ b/yarn-project/aztec/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@aztec/aztec",
-  "version": "0.41.0",
+  "version": "0.42.0",
   "type": "module",
   "exports": {
     ".": "./dest/index.js"