diff --git a/main/src/main/scala/sbt/Defaults.scala b/main/src/main/scala/sbt/Defaults.scala
index f4e7d004f..89c8f898d 100755
--- a/main/src/main/scala/sbt/Defaults.scala
+++ b/main/src/main/scala/sbt/Defaults.scala
@@ -9,7 +9,7 @@ package sbt
 
 import java.io.{ File, PrintWriter }
 import java.net.{ URI, URL, URLClassLoader }
-import java.nio.file.{ Path => NioPath, Paths }
+import java.nio.file.{ Paths, Path => NioPath }
 import java.util.Optional
 import java.util.concurrent.TimeUnit
 
@@ -43,6 +43,7 @@ import sbt.internal.librarymanagement.mavenint.{
 import sbt.internal.librarymanagement.{ CustomHttp => _, _ }
 import sbt.internal.nio.{ CheckBuildSources, Globs }
 import sbt.internal.server.{
+  BspCompileTask,
   BuildServerProtocol,
   BuildServerReporter,
   Definition,
@@ -644,7 +645,7 @@ object Defaults extends BuildCommon {
     compile := compileTask.value,
     internalDependencyConfigurations := InternalDependencies.configurations.value,
     manipulateBytecode := compileIncremental.value,
-    compileIncremental := (compileIncrementalTask tag (Tags.Compile, Tags.CPU)).value,
+    compileIncremental := compileIncrementalTask.tag(Tags.Compile, Tags.CPU).value,
     printWarnings := printWarningsTask.value,
     compileAnalysisFilename := {
       // Here, if the user wants cross-scala-versioning, we also append it
@@ -1854,8 +1855,10 @@ object Defaults extends BuildCommon {
     analysis
   }
   def compileIncrementalTask = Def.task {
-    // TODO - Should readAnalysis + saveAnalysis be scoped by the compile task too?
-    compileIncrementalTaskImpl(streams.value, (compileInputs in compile).value)
+    BspCompileTask.compute(bspTargetIdentifier.value, thisProjectRef.value, configuration.value) {
+      // TODO - Should readAnalysis + saveAnalysis be scoped by the compile task too?
+      compileIncrementalTaskImpl(streams.value, (compileInputs in compile).value)
+    }
   }
   private val incCompiler = ZincUtil.defaultIncrementalCompiler
   private[this] def compileIncrementalTaskImpl(s: TaskStreams, ci: Inputs): CompileResult = {
diff --git a/main/src/main/scala/sbt/internal/server/BspCompileTask.scala b/main/src/main/scala/sbt/internal/server/BspCompileTask.scala
new file mode 100644
index 000000000..a6efcb6ec
--- /dev/null
+++ b/main/src/main/scala/sbt/internal/server/BspCompileTask.scala
@@ -0,0 +1,109 @@
+package sbt.internal.server
+
+import sbt._
+import sbt.internal.bsp._
+import sbt.librarymanagement.Configuration
+import sjsonnew.support.scalajson.unsafe.Converter
+import xsbti.compile.CompileResult
+import xsbti.{ CompileFailed, Problem, Severity }
+
+import scala.util.control.NonFatal
+
+object BspCompileTask {
+  import sbt.internal.bsp.codec.JsonProtocol._
+
+  private lazy val exchange = StandardMain.exchange
+
+  def compute(targetId: BuildTargetIdentifier, project: ProjectRef, config: Configuration)(
+      compile: => CompileResult
+  ): CompileResult = {
+    val task = BspCompileTask(targetId, project, config)
+    try {
+      notifyStart(task)
+      val result = compile
+      notifySuccess(task, result)
+      result
+    } catch {
+      case NonFatal(cause) =>
+        val compileFailed = cause match {
+          case failed: CompileFailed => Some(failed)
+          case _                     => None
+        }
+        notifyFailure(task, compileFailed)
+        throw cause
+    }
+  }
+
+  private def apply(
+      targetId: BuildTargetIdentifier,
+      project: ProjectRef,
+      config: Configuration
+  ): BspCompileTask = {
+    val taskId = TaskId(BuildServerTasks.uniqueId, Vector())
+    val targetName = BuildTargetName.fromScope(project.project, config.name)
+    BspCompileTask(targetId, targetName, taskId, System.currentTimeMillis())
+  }
+
+  private def notifyStart(task: BspCompileTask): Unit = {
+    val message = s"Compiling ${task.targetName}"
+    val data = Converter.toJsonUnsafe(CompileTask(task.targetId))
+    val params = TaskStartParams(task.id, task.startTimeMillis, message, "compile-task", data)
+    exchange.notifyEvent("build/taskStart", params)
+  }
+
+  private def notifySuccess(task: BspCompileTask, result: CompileResult): Unit = {
+    import collection.JavaConverters._
+    val endTimeMillis = System.currentTimeMillis()
+    val elapsedTimeMillis = endTimeMillis - task.startTimeMillis
+    val problems = result match {
+      case compileResult: CompileResult =>
+        val sourceInfos = compileResult.analysis().readSourceInfos().getAllSourceInfos.asScala
+        sourceInfos.values.flatMap(_.getReportedProblems).toSeq
+      case _ => Seq()
+    }
+    val report = compileReport(problems, task.targetId, elapsedTimeMillis)
+    val params = TaskFinishParams(
+      task.id,
+      endTimeMillis,
+      s"Compiled ${task.targetName}",
+      StatusCode.Success,
+      "compile-report",
+      Converter.toJsonUnsafe(report)
+    )
+    exchange.notifyEvent("build/taskFinish", params)
+  }
+
+  private def notifyFailure(task: BspCompileTask, cause: Option[CompileFailed]): Unit = {
+    val endTimeMillis = System.currentTimeMillis()
+    val elapsedTimeMillis = endTimeMillis - task.startTimeMillis
+    val problems = cause.map(_.problems().toSeq).getOrElse(Seq.empty[Problem])
+    val report = compileReport(problems, task.targetId, elapsedTimeMillis)
+    val params = TaskFinishParams(
+      task.id,
+      endTimeMillis,
+      s"Compiled ${task.targetName}",
+      StatusCode.Error,
+      "compile-report",
+      Converter.toJsonUnsafe(report)
+    )
+    exchange.notifyEvent("build/taskFinish", params)
+  }
+
+  private def compileReport(
+      problems: Seq[Problem],
+      targetId: BuildTargetIdentifier,
+      elapsedTimeMillis: Long
+  ): CompileReport = {
+    val countBySeverity = problems.groupBy(_.severity()).mapValues(_.size)
+    val warnings = countBySeverity.getOrElse(Severity.Warn, 0)
+    val errors = countBySeverity.getOrElse(Severity.Error, 0)
+    CompileReport(targetId, None, errors, warnings, Some(elapsedTimeMillis.toInt))
+  }
+}
+
+case class BspCompileTask private (
+    targetId: BuildTargetIdentifier,
+    targetName: String,
+    id: TaskId,
+    startTimeMillis: Long
+)
diff --git a/main/src/main/scala/sbt/internal/server/BuildServerProtocol.scala b/main/src/main/scala/sbt/internal/server/BuildServerProtocol.scala
index 5cb176826..74c8e524c 100644
--- a/main/src/main/scala/sbt/internal/server/BuildServerProtocol.scala
+++ b/main/src/main/scala/sbt/internal/server/BuildServerProtocol.scala
@@ -208,10 +208,7 @@ object BuildServerProtocol {
       jars = scalaJars.toVector
     )
     val configuration = Keys.configuration.value
-    val displayName = configuration.name match {
-      case "compile"  => thisProject.id
-      case configName => s"${thisProject.id}-$configName"
-    }
+    val displayName = BuildTargetName.fromScope(thisProject.id, configuration.name)
     val baseDirectory = Keys.baseDirectory.value.toURI
     val projectDependencies = for {
       (dep, configs) <- Keys.bspInternalDependencyConfigurations.value
@@ -299,14 +296,7 @@ object BuildServerProtocol {
     }
   }
 
-  def scopeFilter(
-      targets: Seq[BuildTargetIdentifier],
-      workspace: Map[BuildTargetIdentifier, Scope]
-  ): ScopeFilter = {
-    ScopeFilter.in(targets.map(workspace))
-  }
-
-  def toId(ref: ProjectReference, config: Configuration): BuildTargetIdentifier =
+  private def toId(ref: ProjectReference, config: Configuration): BuildTargetIdentifier =
     ref match {
       case ProjectRef(build, project) =>
         BuildTargetIdentifier(new URI(s"$build#$project/${config.id}"))
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileReport.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileReport.scala
new file mode 100644
index 000000000..1d839e3ac
--- /dev/null
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileReport.scala
@@ -0,0 +1,62 @@
+/**
+ * This code is generated using [[https://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.internal.bsp
+/**
+ * @param target The build target that was compiled
+ * @param originId An optional request id to know the origin of this report
+ * @param errors The total number of reported errors compiling this target.
+ * @param warnings The total number of reported warnings compiling the target.
+ * @param time The total number of milliseconds it took to compile the target.
+ */
+final class CompileReport private (
+  val target: sbt.internal.bsp.BuildTargetIdentifier,
+  val originId: Option[String],
+  val errors: Int,
+  val warnings: Int,
+  val time: Option[Int]) extends Serializable {
+  
+  
+  
+  override def equals(o: Any): Boolean = o match {
+    case x: CompileReport => (this.target == x.target) && (this.originId == x.originId) && (this.errors == x.errors) && (this.warnings == x.warnings) && (this.time == x.time)
+    case _ => false
+  }
+  override def hashCode: Int = {
+    37 * (37 * (37 * (37 * (37 * (37 * (17 + "sbt.internal.bsp.CompileReport".##) + target.##) + originId.##) + errors.##) + warnings.##) + time.##)
+  }
+  override def toString: String = {
+    "CompileReport(" + target + ", " + originId + ", " + errors + ", " + warnings + ", " + time + ")"
+  }
+  private[this] def copy(target: sbt.internal.bsp.BuildTargetIdentifier = target, originId: Option[String] = originId, errors: Int = errors, warnings: Int = warnings, time: Option[Int] = time): CompileReport = {
+    new CompileReport(target, originId, errors, warnings, time)
+  }
+  def withTarget(target: sbt.internal.bsp.BuildTargetIdentifier): CompileReport = {
+    copy(target = target)
+  }
+  def withOriginId(originId: Option[String]): CompileReport = {
+    copy(originId = originId)
+  }
+  def withOriginId(originId: String): CompileReport = {
+    copy(originId = Option(originId))
+  }
+  def withErrors(errors: Int): CompileReport = {
+    copy(errors = errors)
+  }
+  def withWarnings(warnings: Int): CompileReport = {
+    copy(warnings = warnings)
+  }
+  def withTime(time: Option[Int]): CompileReport = {
+    copy(time = time)
+  }
+  def withTime(time: Int): CompileReport = {
+    copy(time = Option(time))
+  }
+}
+object CompileReport {
+  
+  def apply(target: sbt.internal.bsp.BuildTargetIdentifier, originId: Option[String], errors: Int, warnings: Int, time: Option[Int]): CompileReport = new CompileReport(target, originId, errors, warnings, time)
+  def apply(target: sbt.internal.bsp.BuildTargetIdentifier, originId: String, errors: Int, warnings: Int, time: Int): CompileReport = new CompileReport(target, Option(originId), errors, warnings, Option(time))
+}
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileTask.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileTask.scala
new file mode 100644
index 000000000..74173048a
--- /dev/null
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/CompileTask.scala
@@ -0,0 +1,33 @@
+/**
+ * This code is generated using [[https://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.internal.bsp
+/** Compile Notifications */
+final class CompileTask private (
+  val target: sbt.internal.bsp.BuildTargetIdentifier) extends Serializable {
+  
+  
+  
+  override def equals(o: Any): Boolean = o match {
+    case x: CompileTask => (this.target == x.target)
+    case _ => false
+  }
+  override def hashCode: Int = {
+    37 * (37 * (17 + "sbt.internal.bsp.CompileTask".##) + target.##)
+  }
+  override def toString: String = {
+    "CompileTask(" + target + ")"
+  }
+  private[this] def copy(target: sbt.internal.bsp.BuildTargetIdentifier = target): CompileTask = {
+    new CompileTask(target)
+  }
+  def withTarget(target: sbt.internal.bsp.BuildTargetIdentifier): CompileTask = {
+    copy(target = target)
+  }
+}
+object CompileTask {
+  
+  def apply(target: sbt.internal.bsp.BuildTargetIdentifier): CompileTask = new CompileTask(target)
+}
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskFinishParams.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskFinishParams.scala
index b628645bc..8d417c177 100644
--- a/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskFinishParams.scala
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskFinishParams.scala
@@ -9,27 +9,31 @@ package sbt.internal.bsp
  * @param eventTime Optional timestamp of when the event started in milliseconds since Epoch.
  * @param message Optional message describing the task.
  * @param status Task completion status: 1 -> success, 2 -> error, 3 -> cancelled
+ * @param dataKind Kind of data to expect in the `data` field.
+ * @param data Optional metadata about the task.
  */
 final class TaskFinishParams private (
   val taskId: sbt.internal.bsp.TaskId,
   val eventTime: Option[Long],
   val message: Option[String],
-  val status: Int) extends Serializable {
+  val status: Int,
+  val dataKind: Option[String],
+  val data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]) extends Serializable {
   
   
   
   override def equals(o: Any): Boolean = o match {
-    case x: TaskFinishParams => (this.taskId == x.taskId) && (this.eventTime == x.eventTime) && (this.message == x.message) && (this.status == x.status)
+    case x: TaskFinishParams => (this.taskId == x.taskId) && (this.eventTime == x.eventTime) && (this.message == x.message) && (this.status == x.status) && (this.dataKind == x.dataKind) && (this.data == x.data)
     case _ => false
   }
   override def hashCode: Int = {
-    37 * (37 * (37 * (37 * (37 * (17 + "sbt.internal.bsp.TaskFinishParams".##) + taskId.##) + eventTime.##) + message.##) + status.##)
+    37 * (37 * (37 * (37 * (37 * (37 * (37 * (17 + "sbt.internal.bsp.TaskFinishParams".##) + taskId.##) + eventTime.##) + message.##) + status.##) + dataKind.##) + data.##)
   }
   override def toString: String = {
-    "TaskFinishParams(" + taskId + ", " + eventTime + ", " + message + ", " + status + ")"
+    "TaskFinishParams(" + taskId + ", " + eventTime + ", " + message + ", " + status + ", " + dataKind + ", " + data + ")"
   }
-  private[this] def copy(taskId: sbt.internal.bsp.TaskId = taskId, eventTime: Option[Long] = eventTime, message: Option[String] = message, status: Int = status): TaskFinishParams = {
-    new TaskFinishParams(taskId, eventTime, message, status)
+  private[this] def copy(taskId: sbt.internal.bsp.TaskId = taskId, eventTime: Option[Long] = eventTime, message: Option[String] = message, status: Int = status, dataKind: Option[String] = dataKind, data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue] = data): TaskFinishParams = {
+    new TaskFinishParams(taskId, eventTime, message, status, dataKind, data)
   }
   def withTaskId(taskId: sbt.internal.bsp.TaskId): TaskFinishParams = {
     copy(taskId = taskId)
@@ -49,9 +53,21 @@ final class TaskFinishParams private (
   def withStatus(status: Int): TaskFinishParams = {
     copy(status = status)
   }
+  def withDataKind(dataKind: Option[String]): TaskFinishParams = {
+    copy(dataKind = dataKind)
+  }
+  def withDataKind(dataKind: String): TaskFinishParams = {
+    copy(dataKind = Option(dataKind))
+  }
+  def withData(data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]): TaskFinishParams = {
+    copy(data = data)
+  }
+  def withData(data: sjsonnew.shaded.scalajson.ast.unsafe.JValue): TaskFinishParams = {
+    copy(data = Option(data))
+  }
 }
 object TaskFinishParams {
   
-  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Option[Long], message: Option[String], status: Int): TaskFinishParams = new TaskFinishParams(taskId, eventTime, message, status)
-  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Long, message: String, status: Int): TaskFinishParams = new TaskFinishParams(taskId, Option(eventTime), Option(message), status)
+  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Option[Long], message: Option[String], status: Int, dataKind: Option[String], data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]): TaskFinishParams = new TaskFinishParams(taskId, eventTime, message, status, dataKind, data)
+  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Long, message: String, status: Int, dataKind: String, data: sjsonnew.shaded.scalajson.ast.unsafe.JValue): TaskFinishParams = new TaskFinishParams(taskId, Option(eventTime), Option(message), status, Option(dataKind), Option(data))
 }
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskStartParams.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskStartParams.scala
index 3981c49cb..362d433b0 100644
--- a/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskStartParams.scala
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/TaskStartParams.scala
@@ -9,26 +9,30 @@ package sbt.internal.bsp
  * @param taskId Unique id of the task with optional reference to parent task id.
  * @param eventTime Optional timestamp of when the event started in milliseconds since Epoch.
  * @param message Optional message describing the task.
+ * @param dataKind Kind of data to expect in the `data` field.
+ * @param data Optional metadata about the task.
  */
 final class TaskStartParams private (
   val taskId: sbt.internal.bsp.TaskId,
   val eventTime: Option[Long],
-  val message: Option[String]) extends Serializable {
+  val message: Option[String],
+  val dataKind: Option[String],
+  val data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]) extends Serializable {
   
   
   
   override def equals(o: Any): Boolean = o match {
-    case x: TaskStartParams => (this.taskId == x.taskId) && (this.eventTime == x.eventTime) && (this.message == x.message)
+    case x: TaskStartParams => (this.taskId == x.taskId) && (this.eventTime == x.eventTime) && (this.message == x.message) && (this.dataKind == x.dataKind) && (this.data == x.data)
     case _ => false
   }
   override def hashCode: Int = {
-    37 * (37 * (37 * (37 * (17 + "sbt.internal.bsp.TaskStartParams".##) + taskId.##) + eventTime.##) + message.##)
+    37 * (37 * (37 * (37 * (37 * (37 * (17 + "sbt.internal.bsp.TaskStartParams".##) + taskId.##) + eventTime.##) + message.##) + dataKind.##) + data.##)
   }
   override def toString: String = {
-    "TaskStartParams(" + taskId + ", " + eventTime + ", " + message + ")"
+    "TaskStartParams(" + taskId + ", " + eventTime + ", " + message + ", " + dataKind + ", " + data + ")"
   }
-  private[this] def copy(taskId: sbt.internal.bsp.TaskId = taskId, eventTime: Option[Long] = eventTime, message: Option[String] = message): TaskStartParams = {
-    new TaskStartParams(taskId, eventTime, message)
+  private[this] def copy(taskId: sbt.internal.bsp.TaskId = taskId, eventTime: Option[Long] = eventTime, message: Option[String] = message, dataKind: Option[String] = dataKind, data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue] = data): TaskStartParams = {
+    new TaskStartParams(taskId, eventTime, message, dataKind, data)
   }
   def withTaskId(taskId: sbt.internal.bsp.TaskId): TaskStartParams = {
     copy(taskId = taskId)
@@ -45,9 +49,21 @@ final class TaskStartParams private (
   def withMessage(message: String): TaskStartParams = {
     copy(message = Option(message))
   }
+  def withDataKind(dataKind: Option[String]): TaskStartParams = {
+    copy(dataKind = dataKind)
+  }
+  def withDataKind(dataKind: String): TaskStartParams = {
+    copy(dataKind = Option(dataKind))
+  }
+  def withData(data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]): TaskStartParams = {
+    copy(data = data)
+  }
+  def withData(data: sjsonnew.shaded.scalajson.ast.unsafe.JValue): TaskStartParams = {
+    copy(data = Option(data))
+  }
 }
 object TaskStartParams {
   
-  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Option[Long], message: Option[String]): TaskStartParams = new TaskStartParams(taskId, eventTime, message)
-  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Long, message: String): TaskStartParams = new TaskStartParams(taskId, Option(eventTime), Option(message))
+  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Option[Long], message: Option[String], dataKind: Option[String], data: Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]): TaskStartParams = new TaskStartParams(taskId, eventTime, message, dataKind, data)
+  def apply(taskId: sbt.internal.bsp.TaskId, eventTime: Long, message: String, dataKind: String, data: sjsonnew.shaded.scalajson.ast.unsafe.JValue): TaskStartParams = new TaskStartParams(taskId, Option(eventTime), Option(message), Option(dataKind), Option(data))
 }
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileReportFormats.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileReportFormats.scala
new file mode 100644
index 000000000..953258a86
--- /dev/null
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileReportFormats.scala
@@ -0,0 +1,35 @@
+/**
+ * This code is generated using [[https://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.internal.bsp.codec
+import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
+trait CompileReportFormats { self: sbt.internal.bsp.codec.BuildTargetIdentifierFormats with sjsonnew.BasicJsonProtocol =>
+implicit lazy val CompileReportFormat: JsonFormat[sbt.internal.bsp.CompileReport] = new JsonFormat[sbt.internal.bsp.CompileReport] {
+  override def read[J](__jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.internal.bsp.CompileReport = {
+    __jsOpt match {
+      case Some(__js) =>
+      unbuilder.beginObject(__js)
+      val target = unbuilder.readField[sbt.internal.bsp.BuildTargetIdentifier]("target")
+      val originId = unbuilder.readField[Option[String]]("originId")
+      val errors = unbuilder.readField[Int]("errors")
+      val warnings = unbuilder.readField[Int]("warnings")
+      val time = unbuilder.readField[Option[Int]]("time")
+      unbuilder.endObject()
+      sbt.internal.bsp.CompileReport(target, originId, errors, warnings, time)
+      case None =>
+      deserializationError("Expected JsObject but found None")
+    }
+  }
+  override def write[J](obj: sbt.internal.bsp.CompileReport, builder: Builder[J]): Unit = {
+    builder.beginObject()
+    builder.addField("target", obj.target)
+    builder.addField("originId", obj.originId)
+    builder.addField("errors", obj.errors)
+    builder.addField("warnings", obj.warnings)
+    builder.addField("time", obj.time)
+    builder.endObject()
+  }
+}
+}
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileTaskFormats.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileTaskFormats.scala
new file mode 100644
index 000000000..b79b825af
--- /dev/null
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/CompileTaskFormats.scala
@@ -0,0 +1,27 @@
+/**
+ * This code is generated using [[https://www.scala-sbt.org/contraband/ sbt-contraband]].
+ */
+
+// DO NOT EDIT MANUALLY
+package sbt.internal.bsp.codec
+import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
+trait CompileTaskFormats { self: sbt.internal.bsp.codec.BuildTargetIdentifierFormats with sjsonnew.BasicJsonProtocol =>
+implicit lazy val CompileTaskFormat: JsonFormat[sbt.internal.bsp.CompileTask] = new JsonFormat[sbt.internal.bsp.CompileTask] {
+  override def read[J](__jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.internal.bsp.CompileTask = {
+    __jsOpt match {
+      case Some(__js) =>
+      unbuilder.beginObject(__js)
+      val target = unbuilder.readField[sbt.internal.bsp.BuildTargetIdentifier]("target")
+      unbuilder.endObject()
+      sbt.internal.bsp.CompileTask(target)
+      case None =>
+      deserializationError("Expected JsObject but found None")
+    }
+  }
+  override def write[J](obj: sbt.internal.bsp.CompileTask, builder: Builder[J]): Unit = {
+    builder.beginObject()
+    builder.addField("target", obj.target)
+    builder.endObject()
+  }
+}
+}
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/JsonProtocol.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/JsonProtocol.scala
index 6eff5c734..eae54770c 100644
--- a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/JsonProtocol.scala
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/JsonProtocol.scala
@@ -32,6 +32,8 @@ trait JsonProtocol extends sjsonnew.BasicJsonProtocol
   with sbt.internal.bsp.codec.TaskFinishParamsFormats
   with sbt.internal.bsp.codec.CompileParamsFormats
   with sbt.internal.bsp.codec.BspCompileResultFormats
+  with sbt.internal.bsp.codec.CompileTaskFormats
+  with sbt.internal.bsp.codec.CompileReportFormats
   with sbt.internal.bsp.codec.ScalaBuildTargetFormats
   with sbt.internal.bsp.codec.SbtBuildTargetFormats
   with sbt.internal.bsp.codec.ScalacOptionsParamsFormats
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskFinishParamsFormats.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskFinishParamsFormats.scala
index b821a6171..d9186fe33 100644
--- a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskFinishParamsFormats.scala
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskFinishParamsFormats.scala
@@ -5,7 +5,7 @@
 // DO NOT EDIT MANUALLY
 package sbt.internal.bsp.codec
 import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
-trait TaskFinishParamsFormats { self: sbt.internal.bsp.codec.TaskIdFormats with sjsonnew.BasicJsonProtocol =>
+trait TaskFinishParamsFormats { self: sbt.internal.bsp.codec.TaskIdFormats with sbt.internal.util.codec.JValueFormats with sjsonnew.BasicJsonProtocol =>
 implicit lazy val TaskFinishParamsFormat: JsonFormat[sbt.internal.bsp.TaskFinishParams] = new JsonFormat[sbt.internal.bsp.TaskFinishParams] {
   override def read[J](__jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.internal.bsp.TaskFinishParams = {
     __jsOpt match {
@@ -15,8 +15,10 @@ implicit lazy val TaskFinishParamsFormat: JsonFormat[sbt.internal.bsp.TaskFinish
       val eventTime = unbuilder.readField[Option[Long]]("eventTime")
       val message = unbuilder.readField[Option[String]]("message")
       val status = unbuilder.readField[Int]("status")
+      val dataKind = unbuilder.readField[Option[String]]("dataKind")
+      val data = unbuilder.readField[Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]]("data")
       unbuilder.endObject()
-      sbt.internal.bsp.TaskFinishParams(taskId, eventTime, message, status)
+      sbt.internal.bsp.TaskFinishParams(taskId, eventTime, message, status, dataKind, data)
       case None =>
       deserializationError("Expected JsObject but found None")
     }
@@ -27,6 +29,8 @@ implicit lazy val TaskFinishParamsFormat: JsonFormat[sbt.internal.bsp.TaskFinish
     builder.addField("eventTime", obj.eventTime)
     builder.addField("message", obj.message)
     builder.addField("status", obj.status)
+    builder.addField("dataKind", obj.dataKind)
+    builder.addField("data", obj.data)
     builder.endObject()
   }
 }
diff --git a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskStartParamsFormats.scala b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskStartParamsFormats.scala
index 74b144237..a6f4ef766 100644
--- a/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskStartParamsFormats.scala
+++ b/protocol/src/main/contraband-scala/sbt/internal/bsp/codec/TaskStartParamsFormats.scala
@@ -5,7 +5,7 @@
 // DO NOT EDIT MANUALLY
 package sbt.internal.bsp.codec
 import _root_.sjsonnew.{ Unbuilder, Builder, JsonFormat, deserializationError }
-trait TaskStartParamsFormats { self: sbt.internal.bsp.codec.TaskIdFormats with sjsonnew.BasicJsonProtocol =>
+trait TaskStartParamsFormats { self: sbt.internal.bsp.codec.TaskIdFormats with sbt.internal.util.codec.JValueFormats with sjsonnew.BasicJsonProtocol =>
 implicit lazy val TaskStartParamsFormat: JsonFormat[sbt.internal.bsp.TaskStartParams] = new JsonFormat[sbt.internal.bsp.TaskStartParams] {
   override def read[J](__jsOpt: Option[J], unbuilder: Unbuilder[J]): sbt.internal.bsp.TaskStartParams = {
     __jsOpt match {
@@ -14,8 +14,10 @@ implicit lazy val TaskStartParamsFormat: JsonFormat[sbt.internal.bsp.TaskStartPa
       val taskId = unbuilder.readField[sbt.internal.bsp.TaskId]("taskId")
       val eventTime = unbuilder.readField[Option[Long]]("eventTime")
       val message = unbuilder.readField[Option[String]]("message")
+      val dataKind = unbuilder.readField[Option[String]]("dataKind")
+      val data = unbuilder.readField[Option[sjsonnew.shaded.scalajson.ast.unsafe.JValue]]("data")
       unbuilder.endObject()
-      sbt.internal.bsp.TaskStartParams(taskId, eventTime, message)
+      sbt.internal.bsp.TaskStartParams(taskId, eventTime, message, dataKind, data)
       case None =>
       deserializationError("Expected JsObject but found None")
     }
@@ -25,6 +27,8 @@ implicit lazy val TaskStartParamsFormat: JsonFormat[sbt.internal.bsp.TaskStartPa
     builder.addField("taskId", obj.taskId)
     builder.addField("eventTime", obj.eventTime)
     builder.addField("message", obj.message)
+    builder.addField("dataKind", obj.dataKind)
+    builder.addField("data", obj.data)
     builder.endObject()
   }
 }
diff --git a/protocol/src/main/contraband/bsp.contra b/protocol/src/main/contraband/bsp.contra
index 6151fd95d..7405cedda 100644
--- a/protocol/src/main/contraband/bsp.contra
+++ b/protocol/src/main/contraband/bsp.contra
@@ -284,11 +284,11 @@ type TaskStartParams {
     ## Optional message describing the task.
     message: String
 
-    # Kind of data to expect in the `data` field.
-    # dataKind: String
+    ## Kind of data to expect in the `data` field.
+    dataKind: String
 
-    # Optional metadata about the task.
-    # data: Any
+    ## Optional metadata about the task.
+    data: sjsonnew.shaded.scalajson.ast.unsafe.JValue
 }
 
 type TaskFinishParams {
@@ -304,11 +304,11 @@ type TaskFinishParams {
     ## Task completion status: 1 -> success, 2 -> error, 3 -> cancelled
     status: Int!
 
-    # Kind of data to expect in the `data` field.
-    # dataKind: String
+    ## Kind of data to expect in the `data` field.
+    dataKind: String
 
-    # Optional metadata about the task.
-    # data: Any
+    ## Optional metadata about the task.
+    data: sjsonnew.shaded.scalajson.ast.unsafe.JValue
 }
 
 ## Compile Request
@@ -341,6 +341,29 @@ type BspCompileResult {
   # data: any
 }
 
+## Compile Notifications
+
+type CompileTask {
+  target: sbt.internal.bsp.BuildTargetIdentifier!
+}
+
+type CompileReport {
+  ## The build target that was compiled
+  target: sbt.internal.bsp.BuildTargetIdentifier!
+
+  ## An optional request id to know the origin of this report
+  originId: String
+
+  ## The total number of reported errors compiling this target.
+  errors: Int!
+
+  ## The total number of reported warnings compiling the target.
+  warnings: Int!
+
+  ## The total number of milliseconds it took to compile the target.
+  time: Int
+}
+
 # Scala Extension
 
 ## Contains scala-specific metadata for compiling a target containing Scala sources.
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala
new file mode 100644
index 000000000..308ad0876
--- /dev/null
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildServerTasks.scala
@@ -0,0 +1,8 @@
+package sbt.internal.bsp
+
+import java.util.concurrent.atomic.AtomicInteger
+
+object BuildServerTasks {
+  private val idGenerator = new AtomicInteger(0)
+  def uniqueId: String = idGenerator.getAndIncrement().toString
+}
diff --git a/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala
new file mode 100644
index 000000000..48a53cf5c
--- /dev/null
+++ b/protocol/src/main/scala/sbt/internal/bsp/BuildTargetName.scala
@@ -0,0 +1,10 @@
+package sbt.internal.bsp
+
+object BuildTargetName {
+  def fromScope(project: String, config: String): String = {
+    config match {
+      case "compile" => project
+      case _         => s"$project-$config"
+    }
+  }
+}