diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4eb07f5e..2b136cf7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,12 +12,14 @@ jobs:
         fetch-depth: 0
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '5.0.x'
     - name: Setup Node
       uses: actions/setup-node@v2
       with:
         node-version: '14'
     - name: Install nbgv
-      run: dotnet tool install nbgv --tool-path ./tools --version 3.3.37
+      run: dotnet tool install nbgv --tool-path ./tools 
     - name: Run nbgv
       run: echo "NUGET_PACKAGE_VERSION=$(./tools/nbgv get-version -v NuGetPackageVersion)" >> $GITHUB_ENV
     - name: Install dependencies
diff --git a/eng/azure-ci.yml b/eng/azure-ci.yml
index f6177f5e..f0c0b61b 100644
--- a/eng/azure-ci.yml
+++ b/eng/azure-ci.yml
@@ -2,7 +2,7 @@ variables:
   configuration: release
 
 pool:
-  vmImage: 'windows-2019'
+  vmImage: 'ubuntu-20.04'
 
 trigger:
   batch: false
@@ -23,7 +23,7 @@ steps:
   displayName: 'use .NET Core SDK from global.json'
   inputs:
     packageType: 'sdk'
-    useGlobalJson: true
+    version: '5.0.x'
 
 - script: dotnet --list-sdks
   displayName: list sdks
diff --git a/readme.md b/readme.md
index cbae5c82..fb11bc84 100644
--- a/readme.md
+++ b/readme.md
@@ -16,10 +16,10 @@ The debug information format is [fully documented](https://github.com/ngdseattle
 This format is supported by a variety of Neo smart contract compilers including 
 
 * [NEON (C#)](https://github.com/neo-project/neo-devpack-dotnet)
-* [neo3wj (Java/Kotlin/Android)](https://neow3j.io/)
+* [neow3j (Java/Kotlin/Android)](https://neow3j.io)
 * [neo-boa (Python)](https://github.com/CityOfZion/neo-boa)
 * [NeoGo (GoLang)](https://github.com/nspcc-dev/neo-go)
-* [NEO•ONE (TypeScript)](https://neo-one.io/)
+* [NEO•ONE (TypeScript)](https://neo-one.io)
 
 As of version 2.0, the Neo Smart Contract Debugger supports both 
 [Neo N3 and Neo Legacy](https://medium.com/neo-smart-economy/introducing-neo-n3-the-next-evolution-of-the-neo-blockchain-b2960c4def6e).
diff --git a/src/adapter3/DebugSession.cs b/src/adapter3/DebugSession.cs
index e02444bf..2f472691 100644
--- a/src/adapter3/DebugSession.cs
+++ b/src/adapter3/DebugSession.cs
@@ -301,6 +301,7 @@ static bool TryEvaluateNamedSlot(IReadOnlyList<StackItem> slot, IReadOnlyList<De
                             ? _type
                             : ContractParameterType.Any;
                         result = (slot[variableList[i].Index], type);
+                        return true;
                     }
                 }
 
diff --git a/src/adapter3/LaunchConfigParser.cs b/src/adapter3/LaunchConfigParser.cs
index 310c33bf..9e29e657 100644
--- a/src/adapter3/LaunchConfigParser.cs
+++ b/src/adapter3/LaunchConfigParser.cs
@@ -14,6 +14,7 @@
 using Neo.BlockchainToolkit;
 using Neo.BlockchainToolkit.Models;
 using Neo.BlockchainToolkit.Persistence;
+using Neo.BlockchainToolkit.SmartContract;
 using Neo.Cryptography.ECC;
 using Neo.IO;
 using Neo.Network.P2P.Payloads;
@@ -268,14 +269,21 @@ public void Dispose()
 
         static ContractParameterParser CreateContractParameterParser(byte addressVersion, IStore store, ExpressChain? chain)
         {
-            var deployedContracts = ImmutableDictionary<string, UInt160>.Empty;
-            using (var snapshot = new SnapshotCache(store))
-            {
-                deployedContracts = NativeContract.ContractManagement.ListContracts(snapshot)
-                    .ToImmutableDictionary(
-                        contract => contract.Manifest.Name,
-                        contract => contract.Hash);
-            }
+            ContractParameterParser.TryGetUInt160 tryGetContract = (string name, out UInt160 scriptHash) =>
+                {
+                    using var snapshot = new SnapshotCache(store);
+                    foreach (var contract in NativeContract.ContractManagement.ListContracts(snapshot))
+                    {
+                        if (contract.Manifest.Name.Equals(name))
+                        {
+                            scriptHash = contract.Hash;
+                            return true;
+                        }
+                    }
+
+                    scriptHash = null!;
+                    return false;
+                };
 
             ContractParameterParser.TryGetUInt160? tryGetAccount = chain == null
                 ? null
@@ -291,7 +299,7 @@ static ContractParameterParser CreateContractParameterParser(byte addressVersion
                     return false;
                 };
 
-            return new ContractParameterParser(addressVersion, tryGetAccount, deployedContracts.TryGetValue);
+            return new ContractParameterParser(addressVersion, tryGetAccount, tryGetContract);
         }
 
         static (int id, UInt160 scriptHash) EnsureContractDeployed(IStore store, NefFile nefFile, ContractManifest manifest, Signer deploySigner, ProtocolSettings settings)
@@ -378,14 +386,7 @@ static void OnDeploy(ContractState contract, Signer deploySigner, DataCache snap
                 var deployMethod = contract.Manifest.Abi.GetMethod("_deploy", 2);
                 if (deployMethod is not null)
                 {
-                    var tx = new Transaction
-                    {
-                        Attributes = Array.Empty<TransactionAttribute>(),
-                        Script = Array.Empty<byte>(),
-                        Signers = new[] { deploySigner },
-                        Witnesses = Array.Empty<Witness>()
-                    };
-
+                    var tx = TestApplicationEngine.CreateTestTransaction(deploySigner);
                     using (var engine = ApplicationEngine.Create(TriggerType.Application, tx, snapshot, null, settings))
                     {
                         var context = engine.LoadContract(contract, deployMethod, CallFlags.All);
diff --git a/src/adapter3/neodebug-3-adapter.csproj b/src/adapter3/neodebug-3-adapter.csproj
index 0492d29b..ab99b366 100644
--- a/src/adapter3/neodebug-3-adapter.csproj
+++ b/src/adapter3/neodebug-3-adapter.csproj
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="3.1.0" />
     <PackageReference Include="Microsoft.VisualStudio.Shared.VsCodeDebugProtocol" Version="16.9.50204.1" />
-    <PackageReference Include="Neo.BlockchainToolkit3" Version="1.0.47-preview" />
+    <PackageReference Include="Neo.BlockchainToolkit3" Version="1.0.51-preview" />
     <PackageReference Include="Nito.Disposables" Version="2.2.0" />
     <PackageReference Include="System.Collections.Immutable" Version="5.0.0" />
     <PackageReference Include="System.Linq.Async" Version="5.0.0" />
diff --git a/src/extension/package-lock.json b/src/extension/package-lock.json
index d8edd312..8d365177 100644
--- a/src/extension/package-lock.json
+++ b/src/extension/package-lock.json
@@ -761,9 +761,9 @@
 			}
 		},
 		"css-what": {
-			"version": "5.0.0",
-			"resolved": "https://registry.npmjs.org/css-what/-/css-what-5.0.0.tgz",
-			"integrity": "sha512-qxyKHQvgKwzwDWC/rGbT821eJalfupxYW2qbSJSAtdSTimsr/MlaGONoNLllaUPZWf8QnbcKM/kPVYUQuEKAFA==",
+			"version": "5.0.1",
+			"resolved": "https://registry.npmjs.org/css-what/-/css-what-5.0.1.tgz",
+			"integrity": "sha512-FYDTSHb/7KXsWICVsxdmiExPjCfRC4qRFBdVwv7Ax9hMnvMmEjP9RfxTEZ3qPZGmADDn2vAKSo9UcN1jKVYscg==",
 			"dev": true
 		},
 		"d": {