diff --git a/.github/workflows/check-build.yml b/.github/workflows/check-build.yml
index 0911fad..17d8af2 100644
--- a/.github/workflows/check-build.yml
+++ b/.github/workflows/check-build.yml
@@ -11,8 +11,15 @@ env:
 
 jobs:
   build:
-    runs-on: windows-latest
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
 
+    runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -20,12 +27,13 @@ jobs:
       uses: actions-rs/toolchain@v1
       with:
         toolchain: stable
-        target: x86_64-pc-windows-msvc
+        target: ${{ matrix.target }}
         override: true
+
     - name: Build with Cargo
       uses: actions-rs/cargo@v1
       with:
         command: build
-        args: --release --target=x86_64-pc-windows-msvc
+        args: --release --target ${{ matrix.target }}
     - name: Run tests
       run: cargo test --verbose
diff --git a/.github/workflows/draft-release.yml b/.github/workflows/draft-release.yml
index ab80be3..d0a49bc 100644
--- a/.github/workflows/draft-release.yml
+++ b/.github/workflows/draft-release.yml
@@ -9,8 +9,17 @@ env:
 
 jobs:
   build:
-    runs-on: windows-latest
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            exec_name: rw3d_cli
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            exec_name: rw3d_cli.exe
 
+    runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout
       uses: actions/checkout@v2
@@ -18,21 +27,41 @@ jobs:
       uses: actions-rs/toolchain@v1
       with:
         toolchain: stable
-        target: x86_64-pc-windows-msvc
+        target: ${{ matrix.target }}
         override: true
     - name: Build with Cargo
       uses: actions-rs/cargo@v1
       with:
         command: build
-        args: --package rw3d_cli --release --target=x86_64-pc-windows-msvc
+        args: --package rw3d_cli --release --target ${{ matrix.target }}
+
     - name: Zip the executable
       uses: papeloto/action-zip@v1
       with:
-        files: "target/x86_64-pc-windows-msvc/release/rw3d_cli.exe"
-        dest: "rw3d_cli_${{ github.ref_name }}.zip"
-    - name: Create draft release
+        files: "target/${{ matrix.target }}/release/${{ matrix.exec_name }}"
+        dest: "rw3d_cli-${{ github.ref_name }}-${{ matrix.target }}.zip"
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: ${{ matrix.target }}
+        path: "*.zip"
+        if-no-files-found: error
+
+  publish:
+    runs-on: ubuntu-latest
+    needs: build
+    if: success()     
+
+    steps:
+    - name: Download artifacts
+      uses: actions/download-artifact@v2
+
+    - name: Prepare artifact list for release action
+      run: echo "ARTIFACTS=$(echo $(find . -iname "*.zip") | sed "s/ /,/g")" >> $GITHUB_ENV
+    - name: Create draft release on GitHub
       uses: ncipollo/release-action@v1
       with:
-        artifacts: "rw3d_cli_${{ github.ref_name }}.zip"
+        artifacts: "${{ env.ARTIFACTS }}"
         draft: true
+        allowUpdates: true
         generateReleaseNotes: true
diff --git a/crates/mock-server/src/lib.rs b/crates/mock-server/src/lib.rs
index 8bbb3c1..55f3b72 100644
--- a/crates/mock-server/src/lib.rs
+++ b/crates/mock-server/src/lib.rs
@@ -13,7 +13,7 @@ type ServiceMap = HashMap<MessageId, Box<dyn Service + Send + Sync>>;
 
 impl MockWitcherServer {
     const LISTEN_INTERVAL_MILLIS: u64 = 500;
-    const PEEK_INTERVAL_MILLIS: u64 = 100;
+    const READ_TIMEOUT_MILLIS: u64 = 100;
 
     pub fn new() -> anyhow::Result<Arc<Self>> {
         let listener = TcpListener::bind((Ipv4Addr::LOCALHOST, WitcherConnection::GAME_PORT))?;
@@ -64,9 +64,13 @@ impl MockWitcherServer {
                 Ok((socket, addr)) => {
                     println!("Client connected on address {}", addr);
     
+                    socket.set_nonblocking(false).unwrap();
+                    socket.set_read_timeout(Some(std::time::Duration::from_millis(Self::READ_TIMEOUT_MILLIS))).unwrap();
                     let self_clone = self.clone();
-                    std::thread::spawn(move || -> anyhow::Result<()> {
-                        self_clone.serve_for(socket)
+                    std::thread::spawn(move || {
+                        if let Err(err) = self_clone.serve_for(socket) {
+                            eprintln!("Server abruptly lost connection to the client: {}", err);
+                        }
                     });
                 }
                 Err(err) if err.kind() == std::io::ErrorKind::WouldBlock => {
@@ -89,12 +93,11 @@ impl MockWitcherServer {
                         service.accept_packet(packet, &mut client_socket);
                     }
                 }
-                Err(err) if err.kind() == std::io::ErrorKind::WouldBlock => {
-                    std::thread::sleep(std::time::Duration::from_millis(Self::PEEK_INTERVAL_MILLIS));
-                },
                 Err(err) => {
-                    eprintln!("{}", err);
-                    break Err(err.into());
+                    if !matches!(err.kind(), std::io::ErrorKind::WouldBlock | std::io::ErrorKind::TimedOut) {
+
+                        break Err(err.into());
+                    }
                 }
             }
         }
diff --git a/crates/net-client/tests/integration.rs b/crates/net-client/tests/integration.rs
index 9216acb..956d465 100644
--- a/crates/net-client/tests/integration.rs
+++ b/crates/net-client/tests/integration.rs
@@ -16,6 +16,9 @@ fn integration_test() -> anyhow::Result<()> {
         Ok(())
     });
 
+    // wait for the server to set up
+    std::thread::sleep(std::time::Duration::from_millis(100));
+
     let conn = WitcherConnection::connect_timeout(Ipv4Addr::LOCALHOST.into(), Duration::from_secs(1))?;
     let client = WitcherClient::new(conn);
     client.start()?;
diff --git a/crates/net/src/connection.rs b/crates/net/src/connection.rs
index 3b75758..6243895 100644
--- a/crates/net/src/connection.rs
+++ b/crates/net/src/connection.rs
@@ -76,7 +76,7 @@ impl WitcherConnection {
             Ok(peeked) => {
                 Ok(peeked >= peek_buffer.len())
             }
-            Err(err) if matches!(err.kind(), std::io::ErrorKind::TimedOut) => {
+            Err(err) if matches!(err.kind(), std::io::ErrorKind::TimedOut | std::io::ErrorKind::WouldBlock) => {
                 Ok(false)
             },
             Err(err) => {