diff --git a/quantum/os_detection.c b/quantum/os_detection.c
index 0dd048a8c472..84bbeeed5448 100644
--- a/quantum/os_detection.c
+++ b/quantum/os_detection.c
@@ -133,7 +133,7 @@ void process_wlength(const uint16_t w_length) {
         } else if (setups_data.count == setups_data.cnt_ff) {
             // Linux has 3 packets with 0xFF.
             guessed = OS_LINUX;
-        } else if (setups_data.count == 5 && setups_data.last_wlength == 0xFF && setups_data.cnt_ff == 1 && setups_data.cnt_02 == 2) {
+        } else if (setups_data.count >= 5 && setups_data.last_wlength == 0xFF && setups_data.cnt_ff >= 1 && setups_data.cnt_02 >= 2) {
             guessed = OS_MACOS;
         } else if (setups_data.count == 4 && setups_data.cnt_ff == 0 && setups_data.cnt_02 == 2) {
             // iOS and iPadOS don't have the last 0xFF packet.
diff --git a/quantum/os_detection/tests/os_detection.cpp b/quantum/os_detection/tests/os_detection.cpp
index ea43de144c3a..21c4536243e6 100644
--- a/quantum/os_detection/tests/os_detection.cpp
+++ b/quantum/os_detection/tests/os_detection.cpp
@@ -68,8 +68,12 @@ void assert_reported(os_variant_t os) {
 Windows 10: [FF, FF, 4, 24, 4, 24, 4, FF, 24, FF, 4, FF, 24, 4, 24, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A, 20A]
 Windows 10 (another host): [FF, FF, 4, 24, 4, 24, 4, 24, 4, 24, 4, 24]
 macOS 12.5: [2, 24, 2, 28, FF]
+macOS 15.1.x: [ 2, 4E, 2, 1C, 2, 1A, FF, FF]
+macOS 15.x (another host): [ 2, 0E, 2, 1E, 2, 42, FF]
+macOS 15.x (periodic weirdness): [ 2, 42, 2, 1C, 2, 1A, FF, 2, 42, 2, 1C, 2, 1A, FF ]
 iOS/iPadOS 15.6: [2, 24, 2, 28]
 Linux (including Android, Raspberry Pi and WebOS TV): [FF, FF, FF]
+Linux (another host): [FF, FF, FF, FF, FF, FF]
 PS5: [2, 4, 2, 28, 2, 24]
 Nintendo Switch: [82, FF, 40, 40, FF, 40, 40, FF, 40, 40, FF, 40, 40, FF, 40, 40]
 Quest 2: [FF, FF, FF, FE, FF, FE, FF, FE, FF, FE, FF]
@@ -79,6 +83,7 @@ Windows 10 (first connect): [12, FF, FF, 4, 10, FF, FF, FF, 4, 10, 20A, 20A, 20A
 Windows 10 (subsequent connect): [FF, FF, 4, 10, FF, 4, FF, 10, FF, 20A, 20A, 20A, 20A, 20A, 20A]
 Windows 10 (another host): [FF, FF, 4, 10, 4, 10]
 macOS: [2, 10, 2, E, FF]
+macOS 15.x: [ 2, 64, 2, 28, FF, FF]
 iOS/iPadOS: [2, 10, 2, E]
 Linux: [FF, FF, FF]
 PS5: [2, 4, 2, E, 2, 10]
@@ -109,18 +114,67 @@ TEST_F(OsDetectionTest, TestLinux) {
     assert_not_reported();
 }
 
+TEST_F(OsDetectionTest, TestChibiosLinux) {
+    EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}), OS_LINUX);
+    os_detection_task();
+    assert_not_reported();
+}
+
 TEST_F(OsDetectionTest, TestChibiosMacos) {
     EXPECT_EQ(check_sequence({0x2, 0x24, 0x2, 0x28, 0xFF}), OS_MACOS);
     os_detection_task();
     assert_not_reported();
 }
 
+TEST_F(OsDetectionTest, TestChibiosMacos2) {
+    EXPECT_EQ(check_sequence({0x2, 0x42, 0x2, 0x1C, 0x2, 0x1A, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
+TEST_F(OsDetectionTest, TestChibiosMacos3) {
+    EXPECT_EQ(check_sequence({0x2, 0x42, 0x2, 0x1C, 0x2, 0x1A, 0xFF, 0x2, 0x42, 0x2, 0x1C, 0x2, 0x1A, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
+// Regression reported in https://github.com/qmk/qmk_firmware/pull/21777#issuecomment-1922815841
+TEST_F(OsDetectionTest, TestChibiosMacM1) {
+    EXPECT_EQ(check_sequence({0x02, 0x32, 0x02, 0x24, 0x101, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
+TEST_F(OsDetectionTest, TestChibiosMacSequoia) {
+    EXPECT_EQ(check_sequence({0x02, 0x4E, 0x02, 0x1C, 0x02, 0x1A, 0xFF, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
+TEST_F(OsDetectionTest, TestChibiosMacSequoia2) {
+    EXPECT_EQ(check_sequence({0x02, 0x4E, 0x02, 0x1C, 0x02, 0x1A, 0xFF, 0x02, 0x42, 0x02, 0x1C, 0x02, 0x1A, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
+TEST_F(OsDetectionTest, TestChibiosMacSequoia3) {
+    EXPECT_EQ(check_sequence({0x02, 0x0E, 0x02, 0x1E, 0x02, 0x42, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
 TEST_F(OsDetectionTest, TestLufaMacos) {
     EXPECT_EQ(check_sequence({0x2, 0x10, 0x2, 0xE, 0xFF}), OS_MACOS);
     os_detection_task();
     assert_not_reported();
 }
 
+TEST_F(OsDetectionTest, TestDetectLufaMacSequoia2) {
+    EXPECT_EQ(check_sequence({0x02, 0x64, 0x02, 0x28, 0xFF, 0xFF}), OS_MACOS);
+    os_detection_task();
+    assert_not_reported();
+}
+
 TEST_F(OsDetectionTest, TestVusbMacos) {
     EXPECT_EQ(check_sequence({0x2, 0xE, 0x2, 0xE, 0xFF}), OS_MACOS);
     os_detection_task();
@@ -235,13 +289,6 @@ TEST_F(OsDetectionTest, TestVusbQuest2) {
     assert_not_reported();
 }
 
-// Regression reported in https://github.com/qmk/qmk_firmware/pull/21777#issuecomment-1922815841
-TEST_F(OsDetectionTest, TestDetectMacM1AsIOS) {
-    EXPECT_EQ(check_sequence({0x02, 0x32, 0x02, 0x24, 0x101, 0xFF}), OS_IOS);
-    os_detection_task();
-    assert_not_reported();
-}
-
 TEST_F(OsDetectionTest, TestDoNotReportIfUsbUnstable) {
     EXPECT_EQ(check_sequence({0xFF, 0xFF, 0xFF, 0xFE}), OS_LINUX);
     os_detection_task();