diff --git a/Sources/SJSAssetExportSession/SampleWriter.swift b/Sources/SJSAssetExportSession/SampleWriter.swift
index 7b33087..57f6a13 100644
--- a/Sources/SJSAssetExportSession/SampleWriter.swift
+++ b/Sources/SJSAssetExportSession/SampleWriter.swift
@@ -221,7 +221,7 @@ actor SampleWriter {
         }
 
         audioInput.requestMediaDataWhenReady(on: queue) {
-            // NOTE: assumeIsolated crashes on macOS at the moment
+            // NOTE: assumeIsolated crashes on macOS with Swift 6.0, fixed in 6.1
             self.assumeIsolated { _self in
                 _self.writeAllReadySamples()
             }
@@ -230,7 +230,7 @@ actor SampleWriter {
 
     private func startEncodingVideoTracks() {
         videoInput!.requestMediaDataWhenReady(on: queue) {
-            // NOTE: assumeIsolated crashes on macOS at the moment
+            // NOTE: assumeIsolated crashes on macOS with Swift 6.0, fixed in 6.1
             self.assumeIsolated { _self in
                 _self.writeAllReadySamples()
             }
diff --git a/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift b/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
index 1bf63c5..9084e02 100644
--- a/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
+++ b/Tests/SJSAssetExportSessionTests/SJSAssetExportSessionTests.swift
@@ -43,7 +43,7 @@ final class ExportSessionTests: BaseTests {
         #expect(try await videoTrack.load(.naturalSize) == CGSize(width: 1280, height: 720))
         #expect(try await videoTrack.load(.nominalFrameRate) == 24.0)
         let dataRate = try await videoTrack.load(.estimatedDataRate)
-        #expect((1_000_000 ... 1_100_000).contains(dataRate))
+        #expect((900_000 ... 1_100_000).contains(dataRate))
         let videoFormat = try #require(await videoTrack.load(.formatDescriptions).first)
         #expect(videoFormat.mediaType == .video)
         #expect(videoFormat.mediaSubType == .h264)
@@ -92,7 +92,7 @@ final class ExportSessionTests: BaseTests {
         #expect(try await videoTrack.load(.naturalSize) == CGSize(width: 1280, height: 720))
         #expect(try await videoTrack.load(.nominalFrameRate) == 24.0)
         let dataRate = try await videoTrack.load(.estimatedDataRate)
-        #expect((1_000_000 ... 1_100_000).contains(dataRate))
+        #expect((900_000 ... 1_100_000).contains(dataRate))
         let videoFormat = try #require(await videoTrack.load(.formatDescriptions).first)
         #expect(videoFormat.mediaType == .video)
         #expect(videoFormat.mediaSubType == .h264)