diff --git a/features/streams.yml b/features/streams.yml
index f36a5c393a3..2a7759c7f03 100644
--- a/features/streams.yml
+++ b/features/streams.yml
@@ -3,40 +3,94 @@ description: The streams API creates, composes, and consumes continuously genera
 spec: https://streams.spec.whatwg.org/
 caniuse: streams
 group: streams
-# TODO: Later support
-# - api.ReadableStreamDefaultController
-# - api.ReadableStreamDefaultController.close
-# - api.ReadableStreamDefaultController.desiredSize
-# - api.ReadableStreamDefaultController.enqueue
-# - api.ReadableStreamDefaultController.error
-# - api.ReadableStreamDefaultReader
-# - api.ReadableStreamDefaultReader.cancel
-# - api.ReadableStreamDefaultReader.closed
-# - api.ReadableStreamDefaultReader.read
-# - api.ReadableStreamDefaultReader.releaseLock
-# - api.TransformStream
-# - api.TransformStream.TransformStream
-# - api.TransformStream.readable
-# - api.TransformStream.writable
-# - api.TransformStreamDefaultController
-# - api.TransformStreamDefaultController.desiredSize
-# - api.TransformStreamDefaultController.enqueue
-# - api.TransformStreamDefaultController.error
-# - api.TransformStreamDefaultController.terminate
-# - api.WritableStream.close
-# - api.WritableStreamDefaultWriter.WritableStreamDefaultWriter
-
-# TODO: consider BYOB feature
-# - api.ReadableStreamBYOBReader
-# - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
-# - api.ReadableStreamBYOBReader.cancel
-# - api.ReadableStreamBYOBReader.closed
-# - api.ReadableStreamBYOBReader.read
-# - api.ReadableStreamBYOBReader.releaseLock
-# - api.ReadableStreamBYOBRequest
-# - api.ReadableStreamBYOBRequest.respond
-# - api.ReadableStreamBYOBRequest.respondWithNewView
-# - api.ReadableStreamBYOBRequest.view
-
-# TODO: consider abortable stream feature
-# - api.WritableStreamDefaultController.signal
+# TODO: https://github.com/web-platform-dx/web-features/issues/1971
+# Status changed: https://github.com/web-platform-dx/web-features/pull/2358
+# 2024-12-19 — low → false — Regressed status to match Caniuse, which considers support beginning at BYOB shipping.
+# References:
+# - https://caniuse.com/streams
+status:
+  compute_from:
+    - api.ReadableStreamBYOBReader
+compat_features:
+  - api.ReadableByteStreamController
+  - api.ReadableByteStreamController.byobRequest
+  - api.ReadableByteStreamController.close
+  - api.ReadableByteStreamController.desiredSize
+  - api.ReadableByteStreamController.enqueue
+  - api.ReadableByteStreamController.error
+  - api.ReadableStream.from_static
+  - api.ReadableStream.transferable
+  - api.ReadableStream.values
+  - api.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.cancel
+  - api.ReadableStreamBYOBReader.closed
+  - api.ReadableStreamBYOBReader.read
+  - api.ReadableStreamBYOBReader.read.options_min_parameter
+  - api.ReadableStreamBYOBReader.releaseLock
+  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
+  - api.ReadableStreamBYOBRequest
+  - api.ReadableStreamBYOBRequest.respond
+  - api.ReadableStreamBYOBRequest.respondWithNewView
+  - api.ReadableStreamBYOBRequest.view
+  - api.ReadableStreamDefaultController
+  - api.ReadableStreamDefaultController.close
+  - api.ReadableStreamDefaultController.desiredSize
+  - api.ReadableStreamDefaultController.enqueue
+  - api.ReadableStreamDefaultController.error
+  - api.ReadableStreamDefaultReader
+  - api.ReadableStreamDefaultReader.ReadableStreamDefaultReader
+  - api.ReadableStreamDefaultReader.cancel
+  - api.ReadableStreamDefaultReader.closed
+  - api.ReadableStreamDefaultReader.read
+  - api.ReadableStreamDefaultReader.releaseLock
+  - api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request
+  - api.TextDecoderStream.readable
+  - api.TextDecoderStream.writable
+  - api.TextEncoderStream.readable
+  - api.TextEncoderStream.writable
+  - api.TransformStream
+  - api.TransformStream.TransformStream
+  - api.TransformStream.readable
+  - api.TransformStream.transferable
+  - api.TransformStream.writable
+  - api.TransformStreamDefaultController
+  - api.TransformStreamDefaultController.desiredSize
+  - api.TransformStreamDefaultController.enqueue
+  - api.TransformStreamDefaultController.error
+  - api.TransformStreamDefaultController.terminate
+  - api.WritableStream.close
+  - api.WritableStream.transferable
+  - api.WritableStreamDefaultController.signal
+  - api.WritableStreamDefaultWriter.WritableStreamDefaultWriter
+  - api.ByteLengthQueuingStrategy
+  - api.ByteLengthQueuingStrategy.ByteLengthQueuingStrategy
+  - api.ByteLengthQueuingStrategy.highWaterMark
+  - api.ByteLengthQueuingStrategy.size
+  - api.CountQueuingStrategy
+  - api.CountQueuingStrategy.CountQueuingStrategy
+  - api.CountQueuingStrategy.highWaterMark
+  - api.CountQueuingStrategy.size
+  - api.ReadableStream
+  - api.ReadableStream.ReadableStream
+  - api.ReadableStream.cancel
+  - api.ReadableStream.getReader
+  - api.ReadableStream.locked
+  - api.ReadableStream.pipeThrough
+  - api.ReadableStream.pipeTo
+  - api.ReadableStream.tee
+  - api.WritableStream
+  - api.WritableStream.WritableStream
+  - api.WritableStream.abort
+  - api.WritableStream.getWriter
+  - api.WritableStream.locked
+  - api.WritableStreamDefaultController
+  - api.WritableStreamDefaultController.error
+  - api.WritableStreamDefaultWriter
+  - api.WritableStreamDefaultWriter.abort
+  - api.WritableStreamDefaultWriter.close
+  - api.WritableStreamDefaultWriter.closed
+  - api.WritableStreamDefaultWriter.desiredSize
+  - api.WritableStreamDefaultWriter.ready
+  - api.WritableStreamDefaultWriter.releaseLock
+  - api.WritableStreamDefaultWriter.write
diff --git a/features/streams.yml.dist b/features/streams.yml.dist
index 719d416694e..3558c4e6ce2 100644
--- a/features/streams.yml.dist
+++ b/features/streams.yml.dist
@@ -2,16 +2,13 @@
 # Do not edit this file by hand. Edit the source file instead!
 
 status:
-  baseline: low
-  baseline_low_date: 2022-06-28
+  baseline: false
   support:
-    chrome: "59"
-    chrome_android: "59"
-    edge: "79"
+    chrome: "89"
+    chrome_android: "89"
+    edge: "89"
     firefox: "102"
     firefox_android: "102"
-    safari: "14.1"
-    safari_ios: "14.5"
 compat_features:
   # baseline: high
   # baseline_low_date: 2019-01-29
@@ -61,6 +58,40 @@ compat_features:
   - api.CountQueuingStrategy.highWaterMark
   - api.CountQueuingStrategy.size
 
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "43"
+  #   chrome_android: "43"
+  #   edge: "79"
+  #   firefox: "65"
+  #   firefox_android: "65"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - api.ReadableStreamDefaultReader
+  - api.ReadableStreamDefaultReader.cancel
+  - api.ReadableStreamDefaultReader.closed
+  - api.ReadableStreamDefaultReader.read
+  - api.ReadableStreamDefaultReader.releaseLock
+
+  # baseline: high
+  # baseline_low_date: 2020-01-15
+  # baseline_high_date: 2022-07-15
+  # support:
+  #   chrome: "52"
+  #   chrome_android: "52"
+  #   edge: "79"
+  #   firefox: "65"
+  #   firefox_android: "65"
+  #   safari: "10"
+  #   safari_ios: "10"
+  - api.ReadableStreamDefaultController
+  - api.ReadableStreamDefaultController.close
+  - api.ReadableStreamDefaultController.desiredSize
+  - api.ReadableStreamDefaultController.enqueue
+  - api.ReadableStreamDefaultController.error
+
   # baseline: high
   # baseline_low_date: 2020-01-15
   # baseline_high_date: 2022-07-15
@@ -115,6 +146,32 @@ compat_features:
   #   safari_ios: "10.3"
   - api.ReadableStream.pipeTo
 
+  # baseline: high
+  # baseline_low_date: 2022-05-03
+  # baseline_high_date: 2024-11-03
+  # support:
+  #   chrome: "78"
+  #   chrome_android: "78"
+  #   edge: "79"
+  #   firefox: "100"
+  #   firefox_android: "100"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
+  - api.WritableStreamDefaultWriter.WritableStreamDefaultWriter
+
+  # baseline: high
+  # baseline_low_date: 2022-05-03
+  # baseline_high_date: 2024-11-03
+  # support:
+  #   chrome: "81"
+  #   chrome_android: "81"
+  #   edge: "81"
+  #   firefox: "100"
+  #   firefox_android: "100"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
+  - api.WritableStream.close
+
   # baseline: low
   # baseline_low_date: 2022-06-28
   # support:
@@ -126,3 +183,121 @@ compat_features:
   #   safari: "10.1"
   #   safari_ios: "10.3"
   - api.ReadableStream.pipeThrough
+
+  # baseline: low
+  # baseline_low_date: 2022-06-28
+  # support:
+  #   chrome: "67"
+  #   chrome_android: "67"
+  #   edge: "79"
+  #   firefox: "102"
+  #   firefox_android: "102"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
+  - api.TransformStream
+  - api.TransformStream.TransformStream
+  - api.TransformStream.readable
+  - api.TransformStream.writable
+  - api.TransformStreamDefaultController
+  - api.TransformStreamDefaultController.desiredSize
+  - api.TransformStreamDefaultController.enqueue
+  - api.TransformStreamDefaultController.error
+  - api.TransformStreamDefaultController.terminate
+
+  # baseline: low
+  # baseline_low_date: 2022-09-20
+  # support:
+  #   chrome: "71"
+  #   chrome_android: "71"
+  #   edge: "79"
+  #   firefox: "105"
+  #   firefox_android: "105"
+  #   safari: "14.1"
+  #   safari_ios: "14.5"
+  - api.TextDecoderStream.readable
+  - api.TextDecoderStream.writable
+  - api.TextEncoderStream.readable
+  - api.TextEncoderStream.writable
+
+  # baseline: low
+  # baseline_low_date: 2023-03-27
+  # support:
+  #   chrome: "98"
+  #   chrome_android: "98"
+  #   edge: "98"
+  #   firefox: "100"
+  #   firefox_android: "100"
+  #   safari: "16.4"
+  #   safari_ios: "16.4"
+  - api.WritableStreamDefaultController.signal
+
+  # baseline: false
+  # support:
+  #   chrome: "78"
+  #   chrome_android: "78"
+  #   edge: "79"
+  #   firefox: "100"
+  #   firefox_android: "100"
+  - api.ReadableStreamDefaultReader.ReadableStreamDefaultReader
+
+  # baseline: false
+  # support:
+  #   chrome: "87"
+  #   chrome_android: "87"
+  #   edge: "87"
+  #   firefox: "103"
+  #   firefox_android: "103"
+  - api.ReadableStream.transferable
+  - api.TransformStream.transferable
+  - api.WritableStream.transferable
+
+  # ⬇️ Same status as overall feature ⬇️
+  # baseline: false
+  # support:
+  #   chrome: "89"
+  #   chrome_android: "89"
+  #   edge: "89"
+  #   firefox: "102"
+  #   firefox_android: "102"
+  - api.ReadableByteStreamController
+  - api.ReadableByteStreamController.byobRequest
+  - api.ReadableByteStreamController.close
+  - api.ReadableByteStreamController.desiredSize
+  - api.ReadableByteStreamController.enqueue
+  - api.ReadableByteStreamController.error
+  - api.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.ReadableStreamBYOBReader
+  - api.ReadableStreamBYOBReader.cancel
+  - api.ReadableStreamBYOBReader.closed
+  - api.ReadableStreamBYOBReader.read
+  - api.ReadableStreamBYOBReader.releaseLock
+  - api.ReadableStreamBYOBRequest
+  - api.ReadableStreamBYOBRequest.respond
+  - api.ReadableStreamBYOBRequest.respondWithNewView
+  - api.ReadableStreamBYOBRequest.view
+
+  # baseline: false
+  # support:
+  #   chrome: "124"
+  #   chrome_android: "124"
+  #   edge: "124"
+  #   firefox: "110"
+  #   firefox_android: "110"
+  - api.ReadableStream.values
+
+  # baseline: false
+  # support:
+  #   firefox: "102"
+  #   firefox_android: "102"
+  - api.ReadableStreamBYOBReader.releaseLock.reject_pending_read_request
+  - api.ReadableStreamDefaultReader.releaseLock.reject_pending_read_request
+
+  # baseline: false
+  # support:
+  #   firefox: "117"
+  #   firefox_android: "117"
+  - api.ReadableStream.from_static
+
+  # baseline: false
+  # support: {}
+  - api.ReadableStreamBYOBReader.read.options_min_parameter