Update examples to Aztec v4.2.0

Bumps all Noir dependencies, npm packages, CI workflow versions,
and docs from v4.2.0-aztecnr-rc.2 to the stable v4.2.0 release.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: critesjosh

.github/workflows/note-send-proof-tests.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       AZTEC_ENV: local-network
-      AZTEC_VERSION: 4.2.0-aztecnr-rc.2
+      AZTEC_VERSION: 4.2.0
 
     steps:
       - name: Checkout repository

.github/workflows/prediction-market-tests.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       AZTEC_ENV: local-network
-      AZTEC_VERSION: 4.2.0-aztecnr-rc.2
+      AZTEC_VERSION: 4.2.0
 
     steps:
       - name: Checkout repository

.github/workflows/recursive-verification-tests.yml

@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       AZTEC_ENV: local-network
-      AZTEC_VERSION: 4.2.0-aztecnr-rc.2
+      AZTEC_VERSION: 4.2.0
 
     steps:
       - name: Checkout repository

.github/workflows/test-wallet-webapp-tests.yml

@@ -17,7 +17,7 @@ jobs:
     name: Test Wallet Webapp Tests
     runs-on: ubuntu-latest
     env:
-      AZTEC_VERSION: 4.2.0-aztecnr-rc.2
+      AZTEC_VERSION: 4.2.0
 
     steps:
       - name: Checkout repository

CLAUDE.md

@@ -52,7 +52,7 @@ aztec-examples/
 bash -i <(curl -s https://install.aztec.network)
 
 # Set specific version (examples may require different versions)
-aztec-up 4.2.0-aztecnr-rc.2  # For recursive_verification
+aztec-up 4.2.0  # For recursive_verification
 ```
 
 ### Building Contracts
@@ -260,7 +260,7 @@ easy_private_state = { git = "https://github.com/AztecProtocol/aztec-packages/",
 
 **Version Compatibility**: All examples use the same Aztec version:
 
-- All examples: v4.2.0-aztecnr-rc.2
+- All examples: v4.2.0
 
 ### JavaScript/TypeScript Dependencies
 

README.md

@@ -16,7 +16,7 @@ You can find additional examples in the Aztec monorepo [docs examples folder](ht
 
 ### 1. [Recursive Verification](./recursive_verification)
 
-**Aztec Version**: 4.2.0-aztecnr-rc.2
+**Aztec Version**: 4.2.0
 
 Demonstrates how to verify Noir circuit proofs within Aztec smart contracts using the UltraHonk proving system. This example showcases:
 
@@ -43,7 +43,7 @@ Demonstrates how to verify Noir circuit proofs within Aztec smart contracts usin
 bash -i <(curl -s https://install.aztec.network)
 
 # Set specific Aztec version (if needed)
-aztec-up 4.2.0-aztecnr-rc.2
+aztec-up 4.2.0
 ```
 
 ## Development Workflow

account-contract/Nargo.toml

@@ -5,4 +5,4 @@ compiler_version = ">=1.0.0"
 type = "contract"
 
 [dependencies]
-aztec = { git = "https://github.com/AztecProtocol/aztec-nr/", tag = "v4.2.0-aztecnr-rc.2", directory = "aztec" }
+aztec = { git = "https://github.com/AztecProtocol/aztec-nr/", tag = "v4.2.0", directory = "aztec" }

account-contract/README.md

@@ -172,25 +172,25 @@ When implementing custom account contracts in Aztec, be aware of these critical
 
 ## Aztec Version Compatibility
 
-This example is compatible with **Aztec v4.2.0-aztecnr-rc.2**.
+This example is compatible with **Aztec v4.2.0**.
 
 To set this version:
 
 ```bash
-aztec-up 4.2.0-aztecnr-rc.2
+aztec-up 4.2.0
 ```
 
 ## Dependencies
 
 ### Noir Dependencies
 
-- **aztec**: v4.2.0-aztecnr-rc.2
+- **aztec**: v4.2.0
 
 ### TypeScript Dependencies
 
-- **@aztec/aztec.js**: 4.2.0-aztecnr-rc.2
-- **@aztec/accounts**: 4.2.0-aztecnr-rc.2
-- **@aztec/stdlib**: 4.2.0-aztecnr-rc.2
+- **@aztec/aztec.js**: 4.2.0
+- **@aztec/accounts**: 4.2.0
+- **@aztec/stdlib**: 4.2.0
 - **@aztec/entrypoints**: Included in aztec.js
 
 ## Project Structure

account-contract/package.json

@@ -12,12 +12,12 @@
     "typescript": "^5.0.0"
   },
   "dependencies": {
-    "@aztec/accounts": "4.2.0-aztecnr-rc.2",
-    "@aztec/aztec.js": "4.2.0-aztecnr-rc.2",
-    "@aztec/foundation": "4.2.0-aztecnr-rc.2",
-    "@aztec/noir-contracts.js": "4.2.0-aztecnr-rc.2",
-    "@aztec/stdlib": "4.2.0-aztecnr-rc.2",
-    "@aztec/wallets": "4.2.0-aztecnr-rc.2",
+    "@aztec/accounts": "4.2.0",
+    "@aztec/aztec.js": "4.2.0",
+    "@aztec/foundation": "4.2.0",
+    "@aztec/noir-contracts.js": "4.2.0",
+    "@aztec/stdlib": "4.2.0",
+    "@aztec/wallets": "4.2.0",
     "tsx": "^4.20.6"
   }
 }