diff --git a/.deder/server.properties b/.deder/server.properties
deleted file mode 100644
index 46af699d..00000000
--- a/.deder/server.properties
+++ /dev/null
@@ -1,3 +0,0 @@
-version=v0.0.21
-
-#logLevel=debug
diff --git a/deder.pkl b/deder.pkl
index 78c14c9c..eff3af3a 100644
--- a/deder.pkl
+++ b/deder.pkl
@@ -1,4 +1,4 @@
-amends "https://sake92.github.io/deder/config/DederProject.pkl"
+amends "https://sake92.github.io/deder/config/v0.2.3/DederProject.pkl"
 
 local const function pomSettings(
   _artifactId: String,
@@ -172,12 +172,6 @@ local const sharafCoreModules =
     testTemplate = (sharafCoreTemplate.asTest()) {
       deps { "org.scalameta::munit::1.1.0" }
     }
-    jsTemplate = (sharafCoreTemplate.asJs()) {
-      scalaJsVersion = versions.scalaJsVersion
-    }
-    jsTestTemplate = (jsTemplate.asTest()) {
-      deps { "org.scalameta::munit::1.1.0" }
-    }
     nativeTemplate = (sharafCoreTemplate.asNative()) {
       scalaNativeVersion = versions.scalaNativeVersion
       moduleDeps {
@@ -228,19 +222,36 @@ local const sharafUndertowModules =
   }.get
 
 local const sharafHttp4sModules =
-  new CreateScalaModules {
+  new CreateCrossModules {
     root = "sharaf-http4s"
+    local const _pomSettings =
+      pomSettings("sharaf-http4s", "Sharaf Http4s", "Sharaf integration with Http4s")
     template = (baseTemplate) {
-      pomSettings = pomSettings("sharaf-http4s", "Sharaf Http4s", "Sharaf integration with Http4s")
-      moduleDeps {
-        sharafCoreModules.jvm
-      }
-      deps { "org.http4s::http4s-server::0.23.32" }
+      pomSettings = _pomSettings
+      moduleDeps { sharafCoreModules.jvm }
+      deps { "org.http4s::http4s-server::0.23.34" }
     }
     testTemplate = (baseTemplate.asTest()) {
       deps {
         "org.scalameta::munit::1.1.0"
-        "org.http4s::http4s-client::0.23.32"
+        "org.http4s::http4s-client::0.23.34"
+      }
+    }
+    nativeTemplate = (baseTemplate.asNative()) {
+      scalaNativeVersion = versions.scalaNativeVersion
+      pomSettings = _pomSettings
+      moduleDeps { sharafCoreModules.native }
+      deps {
+        "org.http4s::http4s-server::0.23.34"
+        "com.lihaoyi::sourcecode::0.4.2"
+        "io.github.cquiroz::scala-java-time::2.6.0"
+      }
+    }
+    nativeTestTemplate = (nativeTemplate.asTest()) {
+      multithreading = true
+      deps {
+        "org.scalameta::munit::1.1.0"
+        "org.http4s::http4s-client::0.23.34"
       }
     }
   }.get
@@ -403,7 +414,7 @@ local const http4sExampleModules =
   new CreateScalaModules {
     root = "examples/http4s"
     template = (baseExampleTemplate) {
-      moduleDeps { sharafHttp4sModules.main }
+      moduleDeps { sharafHttp4sModules.jvm }
       deps { "org.http4s::http4s-ember-server::0.23.32" }
     }
     testTemplate = (baseExampleTemplate.asTest()) {
@@ -425,7 +436,10 @@ modules {
   sharafCoreModules.native
   sharafCoreModules.native_test
   ...sharafUndertowModules.all
-  ...sharafHttp4sModules.all
+  sharafHttp4sModules.jvm
+  sharafHttp4sModules.jvm_test
+  sharafHttp4sModules.native
+  sharafHttp4sModules.native_test
   ...sharafHelidonModules.all
   ...sharafJdkHttpserverModules.all
   sharafSnunit
@@ -438,3 +452,4 @@ modules {
   ...snunitExampleModules.all
   ...http4sExampleModules.all
 }
+
diff --git a/examples/api/test/src/JsonApiSuite.scala b/examples/api/test/src/JsonApiSuite.scala
index 525c58bb..55659bd5 100644
--- a/examples/api/test/src/JsonApiSuite.scala
+++ b/examples/api/test/src/JsonApiSuite.scala
@@ -75,7 +75,6 @@ class JsonApiSuite extends munit.FunSuite {
     }
 
     // filtering GET
-    // TODO reenable
     locally {
       val queryParams = ProductsQuery(Set("Chocolate"), Option(1)).toSttpQuery()
       val res = quickRequest.get(uri"$baseUrl/products".withParams(queryParams)).send()
diff --git a/sharaf-http4s/src/ba/sake/sharaf/http4s/SharafHttpApp.scala b/sharaf-http4s/src/ba/sake/sharaf/http4s/SharafHttpApp.scala
index 4a8ba98e..cc935c90 100644
--- a/sharaf-http4s/src/ba/sake/sharaf/http4s/SharafHttpApp.scala
+++ b/sharaf-http4s/src/ba/sake/sharaf/http4s/SharafHttpApp.scala
@@ -30,12 +30,16 @@ def SharafHttpApp(sharafHandler: SharafHandler) =
           Seq.empty // TODO: remove header
       }))
 
-      body <- IO.pure(response.body match {
+      body <- response.body match {
         case Some(body) =>
-          fs2.io.readOutputStream(4096)(outputStream => IO.blocking(response.rw.write(body, outputStream)))
+          IO.blocking {
+            val baos = new java.io.ByteArrayOutputStream()
+            response.rw.write(body, baos)
+            fs2.Stream.emits[IO, Byte](baos.toByteArray())
+          }
         case None =>
-          fs2.Stream.empty[IO]
-      })
+          IO.pure(fs2.Stream.empty[IO])
+      }
 
       response <- IO.pure(
         Http4sResponse[IO](