Kotlin · Mr3zee · Jun 16, 2025 · Jun 16, 2025 · Jun 16, 2025 · Jun 16, 2025
diff --git a/.github/workflows/platforms.yml b/.github/workflows/platforms.yml
@@ -0,0 +1,19 @@
+name: Verify Platforms Table
+
+on:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  verify-platforms-table:
+    name: Run Verification
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Sources
+        uses: actions/checkout@v4
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+      - name: Check Platforms Table
+        run: ./gradlew verifyPlatformTable --no-configuration-cache
diff --git a/README.md b/README.md
@@ -19,22 +19,16 @@ Build your RPC with already known language constructs and nothing more!
 
 First, create your RPC service and define some methods:
 ```kotlin
-import kotlinx.rpc.RemoteService
-import kotlinx.rpc.annotations.Rpc
-
 @Rpc
-interface AwesomeService : RemoteService {
+interface AwesomeService {
     fun getNews(city: String): Flow<String>
 
     suspend fun daysUntilStableRelease(): Int
 }
 ```
 In your server code define how to respond by simply implementing the service:
 ```kotlin
-class AwesomeServiceImpl(
-    val parameters: AwesomeParameters,
-    override val coroutineContext: CoroutineContext,
-) : AwesomeService {
+class AwesomeServiceImpl(val parameters: AwesomeParameters) : AwesomeService {
     override fun getNews(city: String): Flow<String> {
         return flow { 
             emit("Today is 23 degrees!")
@@ -66,8 +60,8 @@ fun main() {
                     }
                 }
 
-                registerService<AwesomeService> { ctx -> 
-                    AwesomeServiceImpl(AwesomeParameters(false, null), ctx) 
+                registerService<AwesomeService> { 
+                    AwesomeServiceImpl(AwesomeParameters(false, null)) 
                 }
             }
         }
@@ -90,10 +84,8 @@ val service = rpcClient.withService<AwesomeService>()
 
 service.daysUntilStableRelease()
 
-streamScoped {
-    service.getNews("KotlinBurg").collect { article ->
-        println(article)
-    }
+service.getNews("KotlinBurg").collect { article ->
+    println(article)
 }
 ```
 
@@ -106,6 +98,33 @@ Check out our [getting started guide](https://kotlin.github.io/kotlinx-rpc) for
 To ensure that all IDE features of our compiler plugin work properly on IntelliJ-based IDEs, install the
 [Kotlin External FIR Support](https://plugins.jetbrains.com/plugin/26480-kotlin-external-fir-support?noRedirect=true) plugin.
 
+## Kotlin compatibility
+We support all stable Kotlin versions starting from 2.0.0:
+- 2.0.0, 2.0.10, 2.0.20, 2.0.21
+- 2.1.0, 2.1.10, 2.1.20, 2.1.21
+
+For a full compatibility checklist,
+see [Versions](https://kotlin.github.io/kotlinx-rpc/versions.html).
+
+## Supported Platforms
+
+`kotlinx.rpc` is a KMP library, so we aim to support all available platforms. 
+
+However, we are also a multi-module library, meaning that some modules may not support some platforms.
+
+Current high-level status:
+
+| Subsystem | Supported Platforms                              | Notes                                                                                       | 
+|-----------|--------------------------------------------------|---------------------------------------------------------------------------------------------|
+| Core      | Jvm, Js, WasmJs, WasmWasi, Apple, Linux, Windows |                                                                                             |
+| kRPC      | Jvm, Js, WasmJs, Apple, Linux, Windows           | WasmWasi is blocked by [kotlin-logging](https://github.com/oshai/kotlin-logging/issues/433) |
+| gRPC      | Jvm                                              | Projects with `kotlin("jvm")` **only**! <br/> KMP support is in development                 |
+
+For more detailed module by module information, 
+check out our [platform support table](https://kotlin.github.io/kotlinx-rpc/platforms.html).
+
+For information about gRPC, see [gRPC Integration](#grpc-integration)
+
 ### Gradle plugins
 
 `kotlinx.rpc` provides Gradle plugin `org.jetbrains.kotlinx.rpc.plugin` 
@@ -174,14 +193,6 @@ For more information on gRPC usage,
 see the [official documentation](https://kotlin.github.io/kotlinx-rpc/grpc-configuration.html).
 For a working example, see the [sample gRPC project](/samples/grpc-app).
 
-## Kotlin compatibility
-We support all stable Kotlin versions starting from 2.0.0:
-- 2.0.0, 2.0.10, 2.0.20, 2.0.21
-- 2.1.0, 2.1.10, 2.1.20, 2.1.21
-
-For a full compatibility checklist, 
-see [Versions](https://kotlin.github.io/kotlinx-rpc/versions.html).
-
 ## JetBrains Product
 
 `kotlinx.rpc` is an official [JetBrains](https://jetbrains.com) product and is primarily developed by the team at JetBrains, with

diff --git a/build.gradle.kts b/build.gradle.kts
@@ -6,7 +6,9 @@ import org.jetbrains.kotlin.gradle.plugin.getKotlinPluginVersion
 import util.configureApiValidation
 import util.configureNpm
 import util.configureProjectReport
+import util.registerDumpPlatformTableTask
 import util.libs
+import util.registerVerifyPlatformTableTask
 
 plugins {
     alias(libs.plugins.serialization) apply false
@@ -21,6 +23,9 @@ configureProjectReport()
 configureNpm()
 configureApiValidation()
 
+registerDumpPlatformTableTask()
+registerVerifyPlatformTableTask()
+
 val kotlinVersion = rootProject.libs.versions.kotlin.lang.get()
 val kotlinCompiler = rootProject.libs.versions.kotlin.compiler.get()
 

diff --git a/docs/pages/kotlinx-rpc/rpc.tree b/docs/pages/kotlinx-rpc/rpc.tree
@@ -39,6 +39,7 @@
     </toc-element>
     <toc-element topic="strict-mode.topic"/>
     <toc-element topic="versions.topic"/>
+    <toc-element topic="platforms.topic"/>
     <toc-element toc-title="Migration guides">
         <toc-element topic="0-8-0.topic"/>
         <toc-element topic="0-6-0.topic"/>

diff --git a/docs/pages/kotlinx-rpc/topics/0-8-0.topic b/docs/pages/kotlinx-rpc/topics/0-8-0.topic
@@ -222,6 +222,29 @@
                     </code-block>
                 </compare>
             </li>
+            <li>
+                <p>
+                    <code>RpcCall</code> changed parameter name and type for function's data:
+                </p>
+                <compare type="top-bottom">
+                    <code-block lang="Kotlin">
+                        class RpcCall(
+                            val descriptor: RpcServiceDescriptor&lt;*&gt;,
+                            val callableName: String,
+                            val data: Any?,
+                            val serviceId: Long,
+                        )
+                    </code-block>
+                    <code-block lang="Kotlin">
+                        class RpcCall(
+                            val descriptor: RpcServiceDescriptor&lt;*&gt;,
+                            val callableName: String,
+                            val parameters: Array&lt;Any?&gt;,
+                            val serviceId: Long,
+                        )
+                    </code-block>
+                </compare>
+            </li>
             <li>
                 <p>
                     For Ktor, <code>HttpClient.rpc</code> extension function is now non-suspendable.

diff --git a/docs/pages/kotlinx-rpc/topics/annotation-type-safety.topic b/docs/pages/kotlinx-rpc/topics/annotation-type-safety.topic
@@ -10,11 +10,11 @@
     </p>
     <code-block lang="Kotlin">
         @Rpc
-        interface MyService : RemoteService
+        interface MyService
 
         class MyServiceImpl : MyService
 
-        fun &lt;T : RemoteService&gt; withService() {}
+        fun &lt;T&gt; withService() {}
     </code-block>
     <p>
         The compiler can't guarantee that the passed type parameter is the one for which the code generation was run:

diff --git a/docs/pages/kotlinx-rpc/topics/krpc-ktor.topic b/docs/pages/kotlinx-rpc/topics/krpc-ktor.topic
@@ -87,7 +87,7 @@
             )
 
             @Rpc
-            interface ImageService : RemoteService {
+            interface ImageService {
                 suspend fun processImage(url: String): ProcessedImage
             }
         </code-block>

diff --git a/docs/pages/kotlinx-rpc/topics/platforms.topic b/docs/pages/kotlinx-rpc/topics/platforms.topic
@@ -0,0 +1,180 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE topic
+        SYSTEM "https://resources.jetbrains.com/writerside/1.0/xhtml-entities.dtd">
+<!--suppress WrsMissingSpaceChecker -->
+<topic xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xsi:noNamespaceSchemaLocation="https://resources.jetbrains.com/writerside/1.0/topic.v2.xsd"
+       title="Platforms" id="platforms">
+
+
+    <p>
+        <code>kotlinx.rpc</code> is a KMP library, so we aim to support all available platforms.
+
+        However, we are also a multi-module library, meaning that some modules may not support some platforms.
+
+        Current high-level status:
+    </p>
+    <table>
+        <tr>
+            <td>Subsystem</td>
+            <td>Supported Platforms</td>
+            <td>Notes</td>
+        </tr>
+        <tr>
+            <td>Core</td>
+            <td>Jvm, Js, WasmJs, WasmWasi, Apple, Linux, Windows</td>
+            <td></td>
+        </tr>
+        <tr>
+            <td>kRPC</td>
+            <td>Jvm, Js, WasmJs, Apple, Linux, Windows</td>
+            <td>
+                WasmWasi is blocked by <a href="https://github.com/oshai/kotlin-logging/issues/433">kotlin-logging</a>.
+            </td>
+        </tr>
+        <tr>
+            <td>gRPC</td>
+            <td>Jvm</td>
+            <td>
+                <p>
+                    Projects with <code>kotlin("jvm")</code> <b>only</b>!
+                </p>
+                <p>
+                    KMP support is in development
+                </p>
+            </td>
+        </tr>
+    </table>
+
+    <p>
+        The following table contains a list of all published modules and their supported platforms:
+    </p>
+    <table>
+        <tr>
+            <td>Module</td>
+            <td>Jvm</td>
+            <td>Js</td>
+            <td>Wasm</td>
+            <td>Native</td>
+        </tr>
+        <!--   Don't delete comment tags, they are used for automated platforms table generation     -->
+        <!--   Don't modify content in between the tags     -->
+        <!--    PLATFORMS_TABLE_START    -->
+<tr>
+<td>core</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li><li>wasmWasi<list><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm32</li><li>watchosArm64</li><li>watchosDeviceArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>utils</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li><li>wasmWasi<list><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm32</li><li>watchosArm64</li><li>watchosDeviceArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-client</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-core</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-logging</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-server</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-test</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-ktor-client</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-ktor-core</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-ktor-server</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-serialization-cbor</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-serialization-core</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-serialization-json</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+<tr>
+<td>krpc-serialization-protobuf</td>
+<td>jvm</td>
+<td><list><li>browser</li><li>node</li></list></td>
+<td><list><li>wasmJs<list><li>browser</li><li>d8</li><li>node</li></list></li></list></td>
+<td><list><li>apple<list><li>ios<list><li>iosArm64</li><li>iosSimulatorArm64</li><li>iosX64</li></list></li><li>macos<list><li>macosArm64</li><li>macosX64</li></list></li><li>watchos<list><li>watchosArm64</li><li>watchosSimulatorArm64</li><li>watchosX64</li></list></li><li>tvos<list><li>tvosArm64</li><li>tvosSimulatorArm64</li><li>tvosX64</li></list></li></list></li><li>linux<list><li>linuxArm64</li><li>linuxX64</li></list></li><li>windows<list><li>mingwX64</li></list></li></list></td>
+</tr>
+
+        <!--    PLATFORMS_TABLE_END    -->
+    </table>
+    <p>
+        We are working on making the library more portable so that it can be used on more platforms.
+    </p>
+</topic>