diff --git a/.gitignore b/.gitignore
index 67d3b94a2..196239b7d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,7 @@ nuget.exe
 .vs/
 [Tt]ools/Cake.*
 [Tt]ools/NBench.*
+[Tt]ools/NBench
 /build/
 .dotnet/
 DotNetty.*.nuget.targets
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 557464526..3ae42bd47 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,13 @@
+#### 0.4.3 March 21 2017
+- Extended support for .NET 4.5
+- Fix to PooledByteBufferAllocator to promptly release freed chunks for GC
+- Ability to limit overall PooledByteBufferAllocator capacity
+- Updated dependencies
+
+#### 0.4.2 February 9 2017
+- Better alignment with .NET Standard and portability (esp UWP support)
+- New tooling
+
 #### 0.4.1 January 26 2017
 - Introduced Platform allowing for alternative implementations of platform-specific concepts.
 - STEE and others use Task-based "thread" abstraction.
diff --git a/src/DotNetty.Buffers/DotNetty.Buffers.csproj b/src/DotNetty.Buffers/DotNetty.Buffers.csproj
index 970f52072..734eeb3f5 100644
--- a/src/DotNetty.Buffers/DotNetty.Buffers.csproj
+++ b/src/DotNetty.Buffers/DotNetty.Buffers.csproj
@@ -6,7 +6,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: buffer management</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj b/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
index 9bd1540d6..19826bb85 100644
--- a/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
+++ b/src/DotNetty.Codecs.Mqtt/DotNetty.Codecs.Mqtt.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: MQTT codec</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj b/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
index 3c446d8b9..16080d6f0 100644
--- a/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
+++ b/src/DotNetty.Codecs.Protobuf/DotNetty.Codecs.Protobuf.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: Protobuf Proto3 codec</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj b/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
index c286e6f01..e7f18a31f 100644
--- a/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
+++ b/src/DotNetty.Codecs.ProtocolBuffers/DotNetty.Codecs.ProtocolBuffers.csproj
@@ -8,7 +8,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: ProtocolBuffers Proto2 codec</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj b/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
index c4adeea72..cc7c87599 100644
--- a/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
+++ b/src/DotNetty.Codecs.Redis/DotNetty.Codecs.Redis.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: Redis codec</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Codecs/DotNetty.Codecs.csproj b/src/DotNetty.Codecs/DotNetty.Codecs.csproj
index a4a88f104..0b344c1bc 100644
--- a/src/DotNetty.Codecs/DotNetty.Codecs.csproj
+++ b/src/DotNetty.Codecs/DotNetty.Codecs.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: codecs</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
diff --git a/src/DotNetty.Common/DotNetty.Common.csproj b/src/DotNetty.Common/DotNetty.Common.csproj
index 4a8729ad2..816322da3 100644
--- a/src/DotNetty.Common/DotNetty.Common.csproj
+++ b/src/DotNetty.Common/DotNetty.Common.csproj
@@ -8,7 +8,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: common routines</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Handlers/DotNetty.Handlers.csproj b/src/DotNetty.Handlers/DotNetty.Handlers.csproj
index de4144789..465ff7cf2 100644
--- a/src/DotNetty.Handlers/DotNetty.Handlers.csproj
+++ b/src/DotNetty.Handlers/DotNetty.Handlers.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: handlers</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
diff --git a/src/DotNetty.Transport/DotNetty.Transport.csproj b/src/DotNetty.Transport/DotNetty.Transport.csproj
index a0998b50e..5f5fabd9e 100644
--- a/src/DotNetty.Transport/DotNetty.Transport.csproj
+++ b/src/DotNetty.Transport/DotNetty.Transport.csproj
@@ -7,7 +7,7 @@
     <Copyright>Copyright © Microsoft Corporation</Copyright>
     <AssemblyTitle>DotNetty: transport model</AssemblyTitle>
     <NeutralLanguage>en-US</NeutralLanguage>
-    <VersionPrefix>0.4.2</VersionPrefix>
+    <VersionPrefix>0.4.3</VersionPrefix>
     <Authors>Microsoft Azure</Authors>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>