diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index d18da59..0000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-exec: &exec
-  name: build-tools/nerves-system-br
-  version: 1.28.3
-  elixir: 1.17.2-otp-27
-
-version: 2.1
-
-orbs:
-  build-tools: nerves-project/build-tools@0.3.0
-
-workflows:
-  version: 2
-  build_test_deploy:
-    jobs:
-      - build-tools/get-br-dependencies:
-          exec:
-            <<: *exec
-          context: org-global
-          filters:
-            tags:
-              only: /.*/
-      - build-tools/build-system:
-          exec:
-            <<: *exec
-          resource-class: large
-          context: org-global
-          requires:
-            - build-tools/get-br-dependencies
-          filters:
-            tags:
-              only: /.*/
-      - build-tools/deploy-system:
-          exec:
-            <<: *exec
-          context: org-global
-          requires:
-            - build-tools/build-system
-          filters:
-            branches:
-              ignore: /.*/
-            tags:
-              only: /v.*/
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..9edd727
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,55 @@
+name: CI
+
+on: [push]
+
+env:
+  OTP_VERSION: 27.1.2
+  ELIXIR_VERSION: 1.17.3-otp-27
+  NERVES_BOOTSTRAP_VERSION: 1.13.0
+
+permissions:
+  id-token: write
+  contents: read
+
+jobs:
+  get-br-dependencies:
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gridpoint-com/actions-nerves-system@v1
+      - name: Get Buildroot Dependencies
+        uses: ./.actions/get-br-dependencies
+        with:
+          otp-version: ${{ env.OTP_VERSION }}
+          elixir-version: ${{ env.ELIXIR_VERSION }}
+          nerves-bootstrap-version: ${{ env.NERVES_BOOTSTRAP_VERSION }}
+          push-to-download-site: false
+          download-site-url: ${{ vars.PUBLIC_S3_SITE }}
+          download-site-bucket-uri: ${{ vars.S3_BUCKET }}
+          aws-role: ${{ secrets.AWS_ROLE }}
+          aws-region: ${{ vars.AWS_REGION }}
+  build-system:
+    needs: [get-br-dependencies]
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gridpoint-com/actions-nerves-system@v1
+      - name: Build nerves_system
+        uses: ./.actions/build-system
+        with:
+          otp-version: ${{ env.OTP_VERSION }}
+          elixir-version: ${{ env.ELIXIR_VERSION }}
+          nerves-bootstrap-version: ${{ env.NERVES_BOOTSTRAP_VERSION }}
+  deploy-system:
+    needs: [build-system]
+    if: github.ref_type == 'tag'
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: gridpoint-com/actions-nerves-system@v1
+      - name: Deploy nerves_system
+        uses: ./.actions/deploy-system
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c42aa68..87b13c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,26 @@ follows:
    releases, and Linux kernel updates. They're also made to fix bugs and add
    features to the build infrastructure.
 
+## v1.29.0
+
+This is a major Erlang and Buildroot update.
+
+Please see the [nerves_system_br v1.29.0 release notes](https://github.com/nerves-project/nerves_system_br/releases/tag/v1.29.0)
+for upgrade instructions if you've forked this system.
+
+* Changes
+  * Applied and enabled the Real-Time Linux patch set, PREEMPT_RT. Please see
+    write-ups on the web for benefits and how to use. The impact of this patch
+    shouldn't be noticeable to most Nerves users.
+  * Switch CPU frequency governor from conservative to the more modern
+    schedutil. See [LWN article](https://lwn.net/Articles/682391/) for details.
+  * Fix missing option for out-of-the-box QMI (cellular modem) support
+
+* Updated dependencies
+  * [nerves_system_br v1.29.1](https://github.com/nerves-project/nerves_system_br/releases/tag/v1.29.1)
+  * [Buildroot 2024.08.2](https://lore.kernel.org/buildroot/871pzex7gn.fsf@dell.be.48ers.dk/T/)
+  * Linux 6.6.51 (Raspberry Pi stable_20241008 release)
+
 ## v1.28.1
 
 This is a security/bug fix update.
@@ -29,7 +49,7 @@ This is a security/bug fix update.
 
 ## v1.28.0
 
-This is a major Erlang and Buildroot.
+This is a major Erlang and Buildroot update.
 
 Please see the [nerves_system_br v1.28.0 release notes](https://github.com/nerves-project/nerves_system_br/releases/tag/v1.28.0)
 for upgrade instructions if you've forked this system.
diff --git a/VERSION b/VERSION
index 450a687..5e57fb8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.28.1
+1.29.0
diff --git a/linux-6.6.defconfig b/linux-6.6.defconfig
index 38b971d..b61a6fd 100644
--- a/linux-6.6.defconfig
+++ b/linux-6.6.defconfig
@@ -4,7 +4,7 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
-CONFIG_PREEMPT=y
+CONFIG_PREEMPT_RT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_MEMCG=y
@@ -15,11 +15,13 @@ CONFIG_CGROUP_FREEZER=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
+CONFIG_NAMESPACES=y
 # CONFIG_UTS_NS is not set
 # CONFIG_IPC_NS is not set
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
 CONFIG_SCHED_AUTOGROUP=y
+CONFIG_EXPERT=y
 # CONFIG_PERF_EVENTS is not set
 CONFIG_PROFILING=y
 CONFIG_ARCH_BCM=y
@@ -35,11 +37,10 @@ CONFIG_PM=y
 CONFIG_CPU_IDLE=y
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_STAT=y
-CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE=y
 CONFIG_CPU_FREQ_GOV_POWERSAVE=y
 CONFIG_CPU_FREQ_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_ONDEMAND=y
-CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_CPUFREQ_DT=y
 CONFIG_ARM_RASPBERRYPI_CPUFREQ=y
 CONFIG_KPROBES=y
@@ -195,6 +196,15 @@ CONFIG_BCMGENET=y
 # CONFIG_NET_VENDOR_VIA is not set
 # CONFIG_NET_VENDOR_WIZNET is not set
 CONFIG_USB_NET_DRIVERS=m
+CONFIG_USB_USBNET=m
+# CONFIG_USB_NET_AX8817X is not set
+# CONFIG_USB_NET_AX88179_178A is not set
+# CONFIG_USB_NET_CDCETHER is not set
+# CONFIG_USB_NET_CDC_NCM is not set
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+CONFIG_USB_NET_QMI_WWAN=m
 # CONFIG_WLAN_VENDOR_ADMTEK is not set
 # CONFIG_WLAN_VENDOR_ATH is not set
 # CONFIG_WLAN_VENDOR_ATMEL is not set
@@ -267,9 +277,11 @@ CONFIG_REGULATOR_AD5398=m
 CONFIG_REGULATOR_GPIO=y
 CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY=m
 CONFIG_MEDIA_SUPPORT=m
+CONFIG_MEDIA_SUPPORT_FILTER=y
 CONFIG_MEDIA_CAMERA_SUPPORT=y
 CONFIG_MEDIA_PLATFORM_SUPPORT=y
 CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_V4L_PLATFORM_DRIVERS=y
 CONFIG_VIDEO_BCM2835_UNICAM=m
 CONFIG_VIDEO_RASPBERRYPI_PISP_BE=m
 CONFIG_VIDEO_IMX219=m
@@ -346,7 +358,6 @@ CONFIG_LEDS_TRIGGER_TIMER=y
 CONFIG_LEDS_TRIGGER_ONESHOT=y
 CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 CONFIG_LEDS_TRIGGER_BACKLIGHT=y
-CONFIG_LEDS_TRIGGER_CPU=y
 CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
 CONFIG_LEDS_TRIGGER_TRANSIENT=y
 CONFIG_LEDS_TRIGGER_INPUT=y
@@ -411,3 +422,4 @@ CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=5
 CONFIG_PRINTK_TIME=y
 CONFIG_PANIC_TIMEOUT=10
+# CONFIG_FTRACE is not set
diff --git a/mix.exs b/mix.exs
index 269d810..b1233e3 100644
--- a/mix.exs
+++ b/mix.exs
@@ -68,7 +68,7 @@ defmodule ExNVRSystemRpi4.MixProject do
   defp deps do
     [
       {:nerves, "~> 1.11", runtime: false},
-      {:nerves_system_br, "1.28.3", runtime: false},
+      {:nerves_system_br, "1.29.1", runtime: false},
       {:nerves_toolchain_aarch64_nerves_linux_gnu, "~> 13.2.0", runtime: false},
       {:nerves_system_linter, "~> 0.4", only: [:dev, :test], runtime: false},
       {:ex_doc, "~> 0.22", only: :docs, runtime: false}
diff --git a/mix.lock b/mix.lock
index 56f93e1..14c0d17 100644
--- a/mix.lock
+++ b/mix.lock
@@ -1,14 +1,14 @@
 %{
-  "castore": {:hex, :castore, "1.0.8", "dedcf20ea746694647f883590b82d9e96014057aff1d44d03ec90f36a5c0dc6e", [:mix], [], "hexpm", "0b2b66d2ee742cb1d9cb8c8be3b43c3a70ee8651f37b75a8b982e036752983f1"},
+  "castore": {:hex, :castore, "1.0.10", "43bbeeac820f16c89f79721af1b3e092399b3a1ecc8df1a472738fd853574911", [:mix], [], "hexpm", "1b0b7ea14d889d9ea21202c43a4fa015eb913021cb535e8ed91946f4b77a8848"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.41", "ab34711c9dc6212dda44fcd20ecb87ac3f3fce6f0ca2f28d4a00e4154f8cd599", [:mix], [], "hexpm", "a81a04c7e34b6617c2792e291b5a2e57ab316365c2644ddc553bb9ed863ebefa"},
-  "elixir_make": {:hex, :elixir_make, "0.8.4", "4960a03ce79081dee8fe119d80ad372c4e7badb84c493cc75983f9d3bc8bde0f", [:mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: true]}, {:certifi, "~> 2.0", [hex: :certifi, repo: "hexpm", optional: true]}], "hexpm", "6e7f1d619b5f61dfabd0a20aa268e575572b542ac31723293a4c1a567d5ef040"},
-  "ex_doc": {:hex, :ex_doc, "0.34.2", "13eedf3844ccdce25cfd837b99bea9ad92c4e511233199440488d217c92571e8", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "5ce5f16b41208a50106afed3de6a2ed34f4acfd65715b82a0b84b49d995f95c1"},
+  "elixir_make": {:hex, :elixir_make, "0.9.0", "6484b3cd8c0cee58f09f05ecaf1a140a8c97670671a6a0e7ab4dc326c3109726", [:mix], [], "hexpm", "db23d4fd8b757462ad02f8aa73431a426fe6671c80b200d9710caf3d1dd0ffdb"},
+  "ex_doc": {:hex, :ex_doc, "0.35.1", "de804c590d3df2d9d5b8aec77d758b00c814b356119b3d4455e4b8a8687aecaf", [:mix], [{:earmark_parser, "~> 1.4.39", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "2121c6402c8d44b05622677b761371a759143b958c6c19f6558ff64d0aed40df"},
   "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
-  "makeup": {:hex, :makeup, "1.1.2", "9ba8837913bdf757787e71c1581c21f9d2455f4dd04cfca785c70bbfff1a76a3", [:mix], [{:nimble_parsec, "~> 1.2.2 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cce1566b81fbcbd21eca8ffe808f33b221f9eee2cbc7a1706fc3da9ff18e6cac"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.16.2", "627e84b8e8bf22e60a2579dad15067c755531fea049ae26ef1020cad58fe9578", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "41193978704763f6bbe6cc2758b84909e62984c7752b3784bd3c218bb341706b"},
+  "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
+  "makeup_elixir": {:hex, :makeup_elixir, "1.0.0", "74bb8348c9b3a51d5c589bf5aebb0466a84b33274150e3b6ece1da45584afc82", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.2.3 or ~> 1.3", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "49159b7d7d999e836bedaf09dcf35ca18b312230cf901b725a64f3f42e407983"},
   "makeup_erlang": {:hex, :makeup_erlang, "1.0.1", "c7f58c120b2b5aa5fd80d540a89fdf866ed42f1f3994e4fe189abebeab610839", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "8a89a1eeccc2d798d6ea15496a6e4870b75e014d1af514b1b71fa33134f57814"},
-  "nerves": {:hex, :nerves, "1.11.1", "bd31dc8bd8212478a87702c06b5475482dd65d1c3395930f16279d488624ab84", [:make, :mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "18e815823bb110b0c82a667bcf8711653dfa94237422df79013aba8ba831dd2c"},
-  "nerves_system_br": {:hex, :nerves_system_br, "1.28.3", "979ac2d9ca66e45cb14ffb440a65e691892569070bb2104a9db65cb7a847b9f7", [:mix], [], "hexpm", "4bb6df0823696762c4e81c944fe3e08f46136e982b6bd34258a936b43b389a90"},
+  "nerves": {:hex, :nerves, "1.11.2", "a6733509c433f244aaf8a3aef28fcc3cc653fd5c5e3dc3f475b233730dbb1b2a", [:make, :mix], [{:castore, "~> 0.1 or ~> 1.0", [hex: :castore, repo: "hexpm", optional: false]}, {:elixir_make, "~> 0.6", [hex: :elixir_make, repo: "hexpm", optional: false]}, {:jason, "~> 1.2", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm", "0b554421e7d1b82b03955fda3d966c83ab2414c5ed52f57ad7f4bcdc98279c57"},
+  "nerves_system_br": {:hex, :nerves_system_br, "1.29.1", "afa5337d66e9770d48dc8bf3a4da41f63dcbd1f0b4639d67fa08d449ad752668", [:mix], [], "hexpm", "33f5afe50fa603a8cdb22e281c18fb98de9f3012598af1ab77849d1dbe59747e"},
   "nerves_system_linter": {:hex, :nerves_system_linter, "0.4.0", "81e9a6f5018fe5fb67d7b43a04dca36156f62b55b5554eb2fa3964d3889d09cd", [:mix], [], "hexpm", "b5bd8480ce7a6317f4601ff41fd2f594bdf76aff0bdf6dcfac571c3fa1ec5f82"},
   "nerves_toolchain_aarch64_nerves_linux_gnu": {:hex, :nerves_toolchain_aarch64_nerves_linux_gnu, "13.2.0", "68fcd2c21c86cceb9545948fae052d72f88b7c7c10205b252dac88559e2a3369", [:mix], [{:nerves, "~> 1.4", [hex: :nerves, repo: "hexpm", optional: false]}, {:nerves_toolchain_ctng, "~> 1.10.0", [hex: :nerves_toolchain_ctng, repo: "hexpm", optional: false]}], "hexpm", "f92212606919a062f975e7bd82ed8a1b95bd4864abb3444cd0d5d0e610e94cc5"},
   "nerves_toolchain_ctng": {:hex, :nerves_toolchain_ctng, "1.10.0", "c6b35377a0b7a93633a8673a788f1580fe1fa06083374b0e4df36da65828d2ef", [:mix], [{:nerves, "~> 1.0", [hex: :nerves, repo: "hexpm", optional: false]}], "hexpm", "e4ae1a2b84de3502ecac195765819be0ce2834eb276553163a7c03133f1760f1"},
diff --git a/nerves_defconfig b/nerves_defconfig
index 9060d12..db8cc9a 100644
--- a/nerves_defconfig
+++ b/nerves_defconfig
@@ -28,8 +28,8 @@ BR2_ROOTFS_POST_BUILD_SCRIPT="${NERVES_DEFCONFIG_DIR}/post-build.sh ${BR2_EXTERN
 BR2_ROOTFS_POST_IMAGE_SCRIPT="${NERVES_DEFCONFIG_DIR}/post-createfs.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/refs/tags/stable_20240529.tar.gz"
-BR2_LINUX_KERNEL_PATCH="${NERVES_DEFCONFIG_DIR}/linux"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/refs/tags/stable_20241008.tar.gz"
+BR2_LINUX_KERNEL_PATCH="http://cdn.kernel.org/pub/linux/kernel/projects/rt/6.6/patch-6.6.53-rt44.patch.gz ${NERVES_DEFCONFIG_DIR}/linux"
 BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
 BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="${NERVES_DEFCONFIG_DIR}/linux-6.6.defconfig"
 BR2_LINUX_KERNEL_XZ=y
@@ -55,7 +55,7 @@ BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SWRAST=y
 BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_V3D=y
 BR2_PACKAGE_MESA3D_OPENGL_ES=y
 BR2_PACKAGE_RPI_FIRMWARE=y
-BR2_PACKAGE_RPI_FIRMWARE_CUSTOM_VERSION="1.20240529"
+BR2_PACKAGE_RPI_FIRMWARE_CUSTOM_VERSION="1.20241008"
 BR2_PACKAGE_RPI_FIRMWARE_VARIANT_PI4_X=y
 BR2_PACKAGE_GPTFDISK=y
 BR2_PACKAGE_GPTFDISK_SGDISK=y