diff --git a/frontend/src/main/scala/bloop/logging/BspServerLogger.scala b/frontend/src/main/scala/bloop/logging/BspServerLogger.scala
index 68ee95528a..62f7940f7c 100644
--- a/frontend/src/main/scala/bloop/logging/BspServerLogger.scala
+++ b/frontend/src/main/scala/bloop/logging/BspServerLogger.scala
@@ -8,7 +8,6 @@ import scala.collection.JavaConverters._
 import ch.epfl.scala.bsp
 import ch.epfl.scala.bsp.BuildTargetIdentifier
 import ch.epfl.scala.bsp.DiagnosticSeverity
-import ch.epfl.scala.bsp.Uri
 import ch.epfl.scala.bsp.endpoints.Build
 
 import bloop.bsp.BloopLanguageClient
@@ -349,16 +348,13 @@ final class BspServerLogger private (
     val errors = event.problems.count(_.severity == Severity.Error)
     val warnings = event.problems.count(_.severity == Severity.Warn)
     val encoded = writeToArray(
-      BspServerLogger.BloopCompileReport(
+      bsp.CompileReport(
         bsp.BuildTargetIdentifier(event.projectUri),
         originId,
         errors,
         warnings,
         None,
-        Some(event.isNoOp),
-        Some(event.isLastCycle),
-        event.clientDir.map(path => bsp.Uri(path.toBspUri)),
-        event.analysisOut.map(path => bsp.Uri(path.toBspUri))
+        Some(event.isNoOp)
       )
     )
 
@@ -390,27 +386,4 @@ object BspServerLogger {
     new BspServerLogger(name, state.logger, client, taskIdCounter, ansiCodesSupported, None)
   }
 
-  /**
-   * A modified version of `bsp.CompileReport` with optional bloop fields.
-   *
-   * We should consider upstreaming many of these fields as they are usually
-   * very useful for clients.
-   */
-  final case class BloopCompileReport(
-      target: BuildTargetIdentifier,
-      originId: Option[String],
-      errors: Int,
-      warnings: Int,
-      time: Option[Long],
-      // ++ bloop ++
-      isNoOp: Option[Boolean],
-      isLastCycle: Option[Boolean],
-      clientDir: Option[Uri],
-      analysisOut: Option[Uri]
-  )
-
-  object BloopCompileReport {
-    implicit val codec: JsonValueCodec[BloopCompileReport] =
-      JsonCodecMaker.makeWithRequiredCollectionFields
-  }
 }
diff --git a/frontend/src/main/scala/bloop/reporter/BspProjectReporter.scala b/frontend/src/main/scala/bloop/reporter/BspProjectReporter.scala
index eb1a8b89ed..04ef65154f 100644
--- a/frontend/src/main/scala/bloop/reporter/BspProjectReporter.scala
+++ b/frontend/src/main/scala/bloop/reporter/BspProjectReporter.scala
@@ -14,7 +14,6 @@ import bloop.logging.CompilationEvent
 
 import monix.execution.atomic.AtomicInt
 import xsbti.VirtualFile
-import bloop.UniqueCompileInputs
 import bloop.util.HashedSource
 
 final class BspProjectReporter(
diff --git a/frontend/src/test/scala/bloop/DeduplicationSpec.scala b/frontend/src/test/scala/bloop/DeduplicationSpec.scala
index c4015a7a1d..83dd1fae96 100644
--- a/frontend/src/test/scala/bloop/DeduplicationSpec.scala
+++ b/frontend/src/test/scala/bloop/DeduplicationSpec.scala
@@ -115,7 +115,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> Msg: Compiling user (2 Scala sources)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'user'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -230,7 +230,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> Msg: Compiling user (2 Scala sources)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'user'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -323,7 +323,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> Msg: Compiling user (1 Scala source)
             |  -> Data kind: compile-task
             |#2: task finish 2
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'user'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -409,7 +409,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> Msg: Compiling user (2 Scala sources)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'user'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -563,7 +563,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> List(Diagnostic(Range(Position(2,28),Position(2,28)),Some(Error),Some(_),Some(_),type mismatch;  found   : Int  required: String,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#1: task finish 1
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'b'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -644,7 +644,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> List(Diagnostic(Range(Position(2,28),Position(2,28)),Some(Error),Some(_),Some(_),type mismatch;  found   : Int  required: String,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#2: task finish 2
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'b'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -744,7 +744,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> List()
             |  -> reset = true
             |#3: task finish 3
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'b'
             |  -> Data kind: compile-report
         """.stripMargin
@@ -891,7 +891,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
                |  -> Msg: Compiling b (6 Scala sources)
                |  -> Data kind: compile-task
                |#1: task finish 1
-               |  -> errors 0, warnings 0
+               |  -> errors 0, warnings 0, noop false
                |  -> Msg: Compiled 'b'
                |  -> Data kind: compile-report
            """.stripMargin
@@ -1093,7 +1093,7 @@ object DeduplicationSpec extends bloop.bsp.BspBaseSuite {
             |  -> Msg: Compiling user (32 Scala sources)
             |  -> Data kind: compile-task
             |#1: task finish 2
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'user'
             |  -> Data kind: compile-report
         """.stripMargin
diff --git a/frontend/src/test/scala/bloop/bsp/BspClientTest.scala b/frontend/src/test/scala/bloop/bsp/BspClientTest.scala
index 682bee7d4b..794a48084d 100644
--- a/frontend/src/test/scala/bloop/bsp/BspClientTest.scala
+++ b/frontend/src/test/scala/bloop/bsp/BspClientTest.scala
@@ -300,7 +300,9 @@ trait BspClientTest {
                 (builder: StringBuilder) => {
                   builder.synchronized {
                     builder.++=(s"#${compileIteration()}: task finish ${taskFinish.taskId.id}\n")
-                    builder.++=(s"  -> errors ${report.errors}, warnings ${report.warnings}\n")
+                    builder.++=(
+                      s"  -> errors ${report.errors}, warnings ${report.warnings}, noop ${report.noOp.getOrElse(false)}\n"
+                    )
                     report.originId.foreach(originId => builder.++=(s"  -> origin = $originId\n"))
                     taskFinish.message.foreach(msg => builder.++=(s"  -> Msg: ${msg}\n"))
                     taskFinish.dataKind.foreach(msg => builder.++=(s"  -> Data kind: ${msg}\n"))
diff --git a/frontend/src/test/scala/bloop/bsp/BspCompileSpec.scala b/frontend/src/test/scala/bloop/bsp/BspCompileSpec.scala
index def5d68a1e..ffeef2d757 100644
--- a/frontend/src/test/scala/bloop/bsp/BspCompileSpec.scala
+++ b/frontend/src/test/scala/bloop/bsp/BspCompileSpec.scala
@@ -71,7 +71,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling a (1 Scala source)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin,
           compiledState.lastDiagnostics(`A`)
@@ -109,7 +109,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling a (1 Scala source)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin,
           compiledState.lastDiagnostics(`A`)
@@ -126,7 +126,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling a (1 Scala source)
             |  -> Data kind: compile-task
             |#2: task finish 2
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin,
           compiledState.lastDiagnostics(`A`)
@@ -162,7 +162,7 @@ class BspCompileSpec(
              |  -> reset = true
              |  -> origin = test-origin
              |#1: task finish 1
-             |  -> errors 0, warnings 1
+             |  -> errors 0, warnings 1, noop false
              |  -> origin = test-origin
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report
@@ -275,7 +275,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling a (1 Scala source)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -286,7 +286,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling b (1 Scala source)
             |  -> Data kind: compile-task
             |#1: task finish 2
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'b'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -316,7 +316,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(2,28),Position(2,28)),Some(Error),Some(_),Some(_),type mismatch;  found   : Int  required: String,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#2: task finish 3
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report """.stripMargin
         )
@@ -605,7 +605,7 @@ class BspCompileSpec(
             |  -> Msg: Compiling a (2 Scala sources)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -632,7 +632,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(2,6),Position(2,6)),Some(Error),Some(_),Some(_),x is already defined as value x,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#2: task finish 2
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -652,7 +652,7 @@ class BspCompileSpec(
             |  -> Msg: Start no-op compilation for a
             |  -> Data kind: compile-task
             |#3: task finish 3
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop true
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin // no-op so it only gives the compile-report
@@ -682,7 +682,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(0,0),Position(0,26)),Some(Warning),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
             |  -> reset = false
             |#4: task finish 4
-            |  -> errors 1, warnings 1
+            |  -> errors 1, warnings 1, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -702,7 +702,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(0,0),Position(0,26)),Some(Warning),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#5: task finish 5
-            |  -> errors 0, warnings 1
+            |  -> errors 0, warnings 1, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -728,7 +728,7 @@ class BspCompileSpec(
             |  -> List()
             |  -> reset = true
             |#6: task finish 6
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             |#6: task start 6
@@ -741,7 +741,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(1,0),Position(3,1)),Some(Error),Some(_),Some(_),object creation impossible, since value y in trait Base of type Int is not defined,None,None,Some({"actions":[]})))
             |  -> reset = false
             |#6: task finish 6
-            |  -> errors 1, warnings 1
+            |  -> errors 1, warnings 1, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -762,7 +762,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(0,0),Position(0,26)),Some(Warning),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#7: task finish 7
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report
             """.stripMargin
@@ -873,7 +873,7 @@ class BspCompileSpec(
              |  -> Msg: Start no-op compilation for a
              |  -> Data kind: compile-task
              |#1: task finish 1
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop true
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report
              |""".stripMargin
@@ -935,7 +935,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(2,4),Position(2,4)),Some(Warning),Some(_),Some(_),a pure expression does nothing in statement position,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -957,7 +957,7 @@ class BspCompileSpec(
              |  -> List()
              |  -> reset = true
              |#2: task finish 2
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report
              |""".stripMargin
@@ -1101,7 +1101,7 @@ class BspCompileSpec(
             |  -> List(Diagnostic(Range(Position(1,28),Position(1,28)),Some(Error),Some(_),Some(_),type mismatch;  found   : Int  required: String,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#1: task finish 1
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -1136,7 +1136,7 @@ class BspCompileSpec(
             |  -> List()
             |  -> reset = true
             |#2: task finish 2
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -1167,7 +1167,7 @@ class BspCompileSpec(
              |  -> Msg: Start no-op compilation for a
              |  -> Data kind: compile-task
              |#3: task finish 3
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop true
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report""".stripMargin
         )
@@ -1233,7 +1233,7 @@ class BspCompileSpec(
                |  -> List(Diagnostic(Range(Position(0,0),Position(0,7)),Some(Error),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
                |  -> reset = true
                |#1: task finish 1
-               |  -> errors 1, warnings 0
+               |  -> errors 1, warnings 0, noop false
                |  -> Msg: Compiled 'a'
                |  -> Data kind: compile-report
                |""".stripMargin
@@ -1245,7 +1245,7 @@ class BspCompileSpec(
                |  -> Msg: Compiling b (1 Scala source)
                |  -> Data kind: compile-task
                |#1: task finish 2
-               |  -> errors 0, warnings 0
+               |  -> errors 0, warnings 0, noop false
                |  -> Msg: Compiled 'b'
                |  -> Data kind: compile-report
                |""".stripMargin
@@ -1264,7 +1264,7 @@ class BspCompileSpec(
                |  -> List()
                |  -> reset = true
                |#2: task finish 3
-               |  -> errors 0, warnings 0
+               |  -> errors 0, warnings 0, noop false
                |  -> Msg: Compiled 'a'
                |  -> Data kind: compile-report
                |""".stripMargin
@@ -1292,7 +1292,7 @@ class BspCompileSpec(
                |  -> List(Diagnostic(Range(Position(1,0),Position(1,7)),Some(Error),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
                |  -> reset = false
                |#3: task finish 4
-               |  -> errors 2, warnings 0
+               |  -> errors 2, warnings 0, noop false
                |  -> Msg: Compiled 'a'
                |  -> Data kind: compile-report
                |""".stripMargin
@@ -1307,7 +1307,7 @@ class BspCompileSpec(
                |  -> List(Diagnostic(Range(Position(0,0),Position(0,7)),Some(Error),Some(_),Some(_),Unused import,None,None,Some({"actions":[]})))
                |  -> reset = true
                |#3: task finish 5
-               |  -> errors 1, warnings 0
+               |  -> errors 1, warnings 0, noop false
                |  -> Msg: Compiled 'b'
                |  -> Data kind: compile-report
                |""".stripMargin
@@ -1423,4 +1423,255 @@ class BspCompileSpec(
     }
   }
 
+  test("task notifications are sent when compiling project with dependency") {
+    TestUtil.withinWorkspace { workspace =>
+      val sourcesA = List(
+        """/main/scala/Foo.scala
+          |class Foo {
+          |  def foo(s: String): String = s
+          |}
+        """.stripMargin
+      )
+
+      val sourcesB = List(
+        """/main/scala/Bar.scala
+          |object Bar {
+          |  def bar(s: String): String = (new Foo()).foo(s)
+          |}
+        """.stripMargin
+      )
+
+      val logger = new RecordingLogger(ansiCodesSupported = false)
+      val `A` = TestProject(workspace, "a", sourcesA)
+      val `B` = TestProject(workspace, "b", sourcesB, List(`A`))
+      val projects = List(`A`, `B`)
+
+      loadBspState(workspace, projects, logger) { state =>
+        // When we compile B, which depends on A, both should get task notifications
+        val compiledState = state.compile(`B`)
+        assertExitStatus(compiledState, ExitStatus.Ok)
+        assertValidCompilationState(compiledState, projects)
+
+        // Verify A gets task start and task finish notifications
+        assertNoDiff(
+          compiledState.lastDiagnostics(`A`),
+          """#1: task start 1
+            |  -> Msg: Compiling a (1 Scala source)
+            |  -> Data kind: compile-task
+            |#1: task finish 1
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'a'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+
+        // Verify B gets task start and task finish notifications with different task IDs
+        assertNoDiff(
+          compiledState.lastDiagnostics(`B`),
+          """#1: task start 2
+            |  -> Msg: Compiling b (1 Scala source)
+            |  -> Data kind: compile-task
+            |#1: task finish 2
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'b'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+
+      }
+    }
+  }
+
+  test("task notifications are sent when compiling dependency chain A -> B -> C") {
+    TestUtil.withinWorkspace { workspace =>
+      val sourcesA = List(
+        """/main/scala/A.scala
+          |class A {
+          |  def methodA(): String = "A"
+          |}
+        """.stripMargin
+      )
+
+      val sourcesB = List(
+        """/main/scala/B.scala
+          |class B {
+          |  def methodB(): String = (new A()).methodA() + "B"
+          |}
+        """.stripMargin
+      )
+
+      val sourcesC = List(
+        """/main/scala/C.scala
+          |object C {
+          |  def methodC(): String = (new B()).methodB() + "C"
+          |}
+        """.stripMargin
+      )
+
+      val logger = new RecordingLogger(ansiCodesSupported = false)
+      val `A` = TestProject(workspace, "a", sourcesA)
+      val `B` = TestProject(workspace, "b", sourcesB, List(`A`))
+      val `C` = TestProject(workspace, "c", sourcesC, List(`B`))
+      val projects = List(`A`, `B`, `C`)
+
+      loadBspState(workspace, projects, logger) { state =>
+        // When we compile C, which depends on B -> A, all three should get task notifications
+        val compiledState = state.compile(`C`)
+        assertExitStatus(compiledState, ExitStatus.Ok)
+        assertValidCompilationState(compiledState, projects)
+
+        // Verify A gets task notifications (task id 1)
+        assertNoDiff(
+          compiledState.lastDiagnostics(`A`),
+          """#1: task start 1
+            |  -> Msg: Compiling a (1 Scala source)
+            |  -> Data kind: compile-task
+            |#1: task finish 1
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'a'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+
+        // Verify B gets task notifications (task id 2)
+        assertNoDiff(
+          compiledState.lastDiagnostics(`B`),
+          """#1: task start 2
+            |  -> Msg: Compiling b (1 Scala source)
+            |  -> Data kind: compile-task
+            |#1: task finish 2
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'b'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+
+        // Verify C gets task notifications (task id 3)
+        assertNoDiff(
+          compiledState.lastDiagnostics(`C`),
+          """#1: task start 3
+            |  -> Msg: Compiling c (1 Scala source)
+            |  -> Data kind: compile-task
+            |#1: task finish 3
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'c'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+      }
+    }
+  }
+
+  test("send-noop") {
+    TestUtil.withinWorkspace { workspace =>
+      val sourcesA = List(
+        """/main/scala/Foo.scala
+          |class Foo
+        """.stripMargin
+      )
+
+      val sourcesB = List(
+        """/main/scala/Bar.scala
+          |class Bar
+        """.stripMargin
+      )
+
+      val logger = new RecordingLogger(ansiCodesSupported = false)
+      val `A` = TestProject(workspace, "a", sourcesA)
+      val `B` = TestProject(workspace, "b", sourcesB, List(`A`))
+      val projects = List(`A`, `B`)
+
+      loadBspState(workspace, projects, logger) { state =>
+        // First compilation
+        val compiledState = state.compile(`B`)
+        assertExitStatus(compiledState, ExitStatus.Ok)
+        assertValidCompilationState(compiledState, projects)
+
+        // Second compilation (no-op) - should not send task notifications for either project
+        val secondCompiledState = compiledState.compile(`B`)
+        assertExitStatus(secondCompiledState, ExitStatus.Ok)
+        assertValidCompilationState(secondCompiledState, projects)
+
+        // Verify noop task notifications for A
+        assertNoDiff(
+          secondCompiledState.lastDiagnostics(`A`),
+          ""
+        )
+
+        // Verify noop task notifications for B
+        assertNoDiff(
+          secondCompiledState.lastDiagnostics(`B`),
+          ""
+        )
+
+      }
+    }
+  }
+
+  test("task notifications sent when only dependency needs recompilation") {
+    TestUtil.withinWorkspace { workspace =>
+      val sourcesA = List(
+        """/main/scala/Foo.scala
+          |class Foo {
+          |  def foo(): String = "original"
+          |}
+        """.stripMargin
+      )
+
+      val sourcesB = List(
+        """/main/scala/Bar.scala
+          |class Bar {
+          |  def bar(): String = (new Foo()).foo()
+          |}
+        """.stripMargin
+      )
+
+      val logger = new RecordingLogger(ansiCodesSupported = false)
+      val `A` = TestProject(workspace, "a", sourcesA)
+      val `B` = TestProject(workspace, "b", sourcesB, List(`A`))
+      val projects = List(`A`, `B`)
+
+      loadBspState(workspace, projects, logger) { state =>
+        // First compilation
+        val compiledState = state.compile(`B`)
+        assertExitStatus(compiledState, ExitStatus.Ok)
+        assertValidCompilationState(compiledState, projects)
+
+        // Modify only A
+        writeFile(
+          `A`.srcFor("/main/scala/Foo.scala"),
+          """/main/scala/Foo.scala
+            |class Foo {
+            |  def foo(): String = "modified"
+            |}
+          """.stripMargin
+        )
+
+        // Compile B again - should trigger recompilation of A and B
+        val secondCompiledState = compiledState.compile(`B`)
+        assertExitStatus(secondCompiledState, ExitStatus.Ok)
+        assertValidCompilationState(secondCompiledState, projects)
+
+        // Verify A gets task notifications (modified and recompiled)
+        assertNoDiff(
+          secondCompiledState.lastDiagnostics(`A`),
+          """#2: task start 3
+            |  -> Msg: Compiling a (1 Scala source)
+            |  -> Data kind: compile-task
+            |#2: task finish 3
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'a'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+
+        // Verify B gets task notifications (needs recompilation due to A change)
+        assertNoDiff(
+          secondCompiledState.lastDiagnostics(`B`),
+          """#2: task start 4
+            |  -> Msg: Compiling b (1 Scala source)
+            |  -> Data kind: compile-task
+            |#2: task finish 4
+            |  -> errors 0, warnings 0, noop false
+            |  -> Msg: Compiled 'b'
+            |  -> Data kind: compile-report""".stripMargin
+        )
+      }
+    }
+  }
+
 }
diff --git a/frontend/src/test/scala/bloop/bsp/BspSbtClientSpec.scala b/frontend/src/test/scala/bloop/bsp/BspSbtClientSpec.scala
index 8c5f4b2988..f505b8c0d7 100644
--- a/frontend/src/test/scala/bloop/bsp/BspSbtClientSpec.scala
+++ b/frontend/src/test/scala/bloop/bsp/BspSbtClientSpec.scala
@@ -75,7 +75,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling a (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 1
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $firstOriginId
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report""".stripMargin,
@@ -87,7 +87,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling b (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 2
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $firstOriginId
              |  -> Msg: Compiled 'b'
              |  -> Data kind: compile-report""".stripMargin,
@@ -99,7 +99,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling c (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 3
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $firstOriginId
              |  -> Msg: Compiled 'c'
              |  -> Data kind: compile-report""".stripMargin,
@@ -111,7 +111,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling d (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 4
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $firstOriginId
              |  -> Msg: Compiled 'd'
              |  -> Data kind: compile-report""".stripMargin,
@@ -123,7 +123,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling e (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 5
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $firstOriginId
              |  -> Msg: Compiled 'e'
              |  -> Data kind: compile-report""".stripMargin,
@@ -160,7 +160,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling a (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 6
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $secondOriginId
              |  -> Msg: Compiled 'a'
              |  -> Data kind: compile-report""".stripMargin
@@ -177,7 +177,7 @@ class BspSbtClientSpec(
              |  -> Msg: Compiling c (1 Scala source)
              |  -> Data kind: compile-task
              |# task finish 7
-             |  -> errors 0, warnings 0
+             |  -> errors 0, warnings 0, noop false
              |  -> origin = $secondOriginId
              |  -> Msg: Compiled 'c'
              |  -> Data kind: compile-report""".stripMargin
@@ -238,7 +238,7 @@ class BspSbtClientSpec(
             |  -> Msg: Compiling a (1 Scala source)
             |  -> Data kind: compile-task
             |#1: task finish 1
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )
@@ -267,7 +267,7 @@ class BspSbtClientSpec(
             |  -> List(Diagnostic(Range(Position(1,3),Position(1,3)),Some(Error),Some(_),Some(_),';' expected but 'def' found.,None,None,Some({"actions":[]})))
             |  -> reset = true
             |#2: task finish 2
-            |  -> errors 1, warnings 0
+            |  -> errors 1, warnings 0, noop false
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report """.stripMargin
         )
@@ -288,7 +288,7 @@ class BspSbtClientSpec(
             |  -> Msg: Start no-op compilation for a
             |  -> Data kind: compile-task
             |#3: task finish 3
-            |  -> errors 0, warnings 0
+            |  -> errors 0, warnings 0, noop true
             |  -> Msg: Compiled 'a'
             |  -> Data kind: compile-report""".stripMargin
         )