diff --git a/features/file-system-access.yml b/features/file-system-access.yml
index 876d8cd0d49..878cfcce9e6 100644
--- a/features/file-system-access.yml
+++ b/features/file-system-access.yml
@@ -4,8 +4,14 @@ spec: https://wicg.github.io/file-system-access/
 caniuse: native-filesystem-api
 group: file-system
 compat_features:
+  - api.FileSystemDirectoryHandle.@@asyncIterator
+  - api.FileSystemFileHandle.createWritable
   - api.FileSystemHandle.queryPermission
   - api.FileSystemHandle.requestPermission
+  - api.FileSystemWritableFileStream
+  - api.FileSystemWritableFileStream.seek
+  - api.FileSystemWritableFileStream.truncate
+  - api.FileSystemWritableFileStream.write
   - api.Window.showDirectoryPicker
   - api.Window.showOpenFilePicker
   - api.Window.showSaveFilePicker
diff --git a/features/file-system-access.yml.dist b/features/file-system-access.yml.dist
index d8ac378cf00..54afa4a5d81 100644
--- a/features/file-system-access.yml.dist
+++ b/features/file-system-access.yml.dist
@@ -7,6 +7,39 @@ status:
     chrome: "86"
     edge: "86"
 compat_features:
+  # baseline: low
+  # baseline_low_date: 2023-03-27
+  # support:
+  #   chrome: "86"
+  #   chrome_android: "86"
+  #   edge: "86"
+  #   firefox: "111"
+  #   firefox_android: "111"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - api.FileSystemDirectoryHandle.@@asyncIterator
+
+  # baseline: false
+  # support:
+  #   chrome: "86"
+  #   chrome_android: "86"
+  #   edge: "86"
+  #   firefox: "111"
+  #   firefox_android: "111"
+  - api.FileSystemFileHandle.createWritable
+
+  # baseline: false
+  # support:
+  #   chrome: "86"
+  #   chrome_android: "109"
+  #   edge: "86"
+  #   firefox: "111"
+  #   firefox_android: "111"
+  - api.FileSystemWritableFileStream
+  - api.FileSystemWritableFileStream.seek
+  - api.FileSystemWritableFileStream.truncate
+  - api.FileSystemWritableFileStream.write
+
   # baseline: false
   # support:
   #   chrome: "86"
diff --git a/features/origin-private-file-system.yml b/features/origin-private-file-system.yml
index a24cfb41a21..4e9a8e23bd2 100644
--- a/features/origin-private-file-system.yml
+++ b/features/origin-private-file-system.yml
@@ -2,3 +2,31 @@ name: Origin private file system
 description: The `navigator.storage.getDirectory()` method returns a `FileSystemDirectoryHandle` that is restricted to a specific origin and invisible to the user's actual file system for faster file-based applications, such as SQLite databases.
 spec: https://fs.spec.whatwg.org/#origin-private-file-system
 group: file-system
+compat_features:
+  - api.FileSystemDirectoryHandle
+  - api.FileSystemDirectoryHandle.entries
+  - api.FileSystemDirectoryHandle.getDirectoryHandle
+  - api.FileSystemDirectoryHandle.getFileHandle
+  - api.FileSystemDirectoryHandle.keys
+  - api.FileSystemDirectoryHandle.removeEntry
+  - api.FileSystemDirectoryHandle.resolve
+  - api.FileSystemDirectoryHandle.values
+  - api.FileSystemFileHandle
+  - api.FileSystemFileHandle.createSyncAccessHandle
+  - api.FileSystemFileHandle.getFile
+  - api.FileSystemHandle
+  - api.FileSystemHandle.isSameEntry
+  - api.FileSystemHandle.kind
+  - api.FileSystemHandle.name
+  - api.FileSystemSyncAccessHandle
+  - api.FileSystemSyncAccessHandle.close
+  - api.FileSystemSyncAccessHandle.close.sync_version
+  - api.FileSystemSyncAccessHandle.flush
+  - api.FileSystemSyncAccessHandle.flush.sync_version
+  - api.FileSystemSyncAccessHandle.getSize
+  - api.FileSystemSyncAccessHandle.getSize.sync_version
+  - api.FileSystemSyncAccessHandle.read
+  - api.FileSystemSyncAccessHandle.truncate
+  - api.FileSystemSyncAccessHandle.truncate.sync_version
+  - api.FileSystemSyncAccessHandle.write
+  - api.StorageManager.getDirectory
\ No newline at end of file
diff --git a/features/origin-private-file-system.yml.dist b/features/origin-private-file-system.yml.dist
index 16676a477fb..f2de5e0344f 100644
--- a/features/origin-private-file-system.yml.dist
+++ b/features/origin-private-file-system.yml.dist
@@ -3,15 +3,15 @@
 
 status:
   baseline: low
-  baseline_low_date: 2023-03-14
+  baseline_low_date: 2023-03-27
   support:
-    chrome: "102"
+    chrome: "108"
     chrome_android: "109"
-    edge: "102"
+    edge: "108"
     firefox: "111"
     firefox_android: "111"
-    safari: "15.2"
-    safari_ios: "15.2"
+    safari: "16.4"
+    safari_ios: "16.4"
 compat_features:
   # baseline: low
   # baseline_low_date: 2023-03-14
@@ -50,7 +50,6 @@ compat_features:
   #   safari_ios: "15.2"
   - api.StorageManager.getDirectory
 
-  # ⬇️ Same status as overall feature ⬇️
   # baseline: low
   # baseline_low_date: 2023-03-14
   # support:
@@ -69,3 +68,19 @@ compat_features:
   - api.FileSystemSyncAccessHandle.read
   - api.FileSystemSyncAccessHandle.truncate
   - api.FileSystemSyncAccessHandle.write
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: low
+  # baseline_low_date: 2023-03-27
+  # support:
+  #   chrome: "108"
+  #   chrome_android: "109"
+  #   edge: "108"
+  #   firefox: "111"
+  #   firefox_android: "111"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - api.FileSystemSyncAccessHandle.close.sync_version
+  - api.FileSystemSyncAccessHandle.flush.sync_version
+  - api.FileSystemSyncAccessHandle.getSize.sync_version
+  - api.FileSystemSyncAccessHandle.truncate.sync_version