prokrypt · Oct 25, 2026 · Oct 9, 2026 · Oct 9, 2026 · Oct 9, 2026 · Oct 9, 2026
diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
@@ -15,6 +15,7 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
     libssl-dev \
     libulfius-dev \
     libyaml-cpp-dev \
+    libavahi-client-dev \
     libjsoncpp-dev \
     pipx \
     pkg-config \

diff --git a/.github/actionlint.yaml b/.github/actionlint.yaml
@@ -4,3 +4,6 @@ self-hosted-runner:
   labels:
     - arctastic
     - test-runner
+    # GitHub-Hosted runners:
+    - ubuntu-26.04
+    - ubuntu-26.04-arm
diff --git a/.github/actions/setup-base/action.yml b/.github/actions/setup-base/action.yml
@@ -18,7 +18,7 @@ runs:
     - name: Setup Python
       uses: actions/setup-python@v7
       with:
-        python-version: 3.x
+        python-version: "3.14"
         cache: pip
         cache-dependency-path: |
           .github/actions/**

diff --git a/.github/actions/setup-native-test/action.yml b/.github/actions/setup-native-test/action.yml
@@ -10,7 +10,7 @@ runs:
     - name: Setup Python
       uses: actions/setup-python@v7
       with:
-        python-version: 3.x
+        python-version: "3.14"
         cache: pip
         cache-dependency-path: |
           .github/actions/**
@@ -25,7 +25,8 @@ runs:
         sudo apt-get -y update --fix-missing
         sudo apt-get install -y ccache lcov \
           libbluetooth-dev libsdbus-c++-dev libgpiod-dev libyaml-cpp-dev libjsoncpp-dev openssl libssl-dev \
-          libulfius-dev liborcania-dev libusb-1.0-0-dev libi2c-dev libuv1-dev libcurl4-gnutls-dev
+          libulfius-dev liborcania-dev libusb-1.0-0-dev libi2c-dev libuv1-dev \
+          libcurl4-gnutls-dev libavahi-client-dev
 
     - name: Install PlatformIO
       shell: bash

diff --git a/.github/actions/setup-native/action.yml b/.github/actions/setup-native/action.yml
@@ -10,5 +10,8 @@ runs:
 
     - name: Install libs needed for native build
       shell: bash
-      run: |
-        sudo apt-get install -y libbluetooth-dev libsdbus-c++-dev libgpiod-dev libyaml-cpp-dev libjsoncpp-dev openssl libssl-dev libulfius-dev liborcania-dev libusb-1.0-0-dev libi2c-dev libuv1-dev libcurl4-gnutls-dev libnotify-dev
+      run: >
+        sudo apt-get install -y
+        libbluetooth-dev libsdbus-c++-dev libgpiod-dev libyaml-cpp-dev libjsoncpp-dev openssl libssl-dev
+        libulfius-dev liborcania-dev libusb-1.0-0-dev libi2c-dev libuv1-dev
+        libcurl4-gnutls-dev libnotify-dev libavahi-client-dev
diff --git a/.github/workflows/build_debian_src.yml b/.github/workflows/build_debian_src.yml
@@ -20,7 +20,7 @@ permissions:
 
 jobs:
   build-debian-src:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     # Only pushes to the default branch (develop) populate the cache; PR / merge_group runs
     # restore it but never save, so they stop filling up the repo's Actions cache storage.
     env:
@@ -39,9 +39,9 @@ jobs:
           # Build-tools (notably platformio) come from the Meshtastic project
           # on the OpenSUSE Build Service:
           # https://build.opensuse.org/project/show/network:Meshtastic:build-tools
-          echo 'deb http://download.opensuse.org/repositories/network:/Meshtastic:/build-tools/xUbuntu_24.04/ /' \
+          echo 'deb http://download.opensuse.org/repositories/network:/Meshtastic:/build-tools/xUbuntu_26.04/ /' \
             | sudo tee /etc/apt/sources.list.d/network:Meshtastic:build-tools.list
-          curl -fsSL https://download.opensuse.org/repositories/network:Meshtastic:build-tools/xUbuntu_24.04/Release.key \
+          curl -fsSL https://download.opensuse.org/repositories/network:Meshtastic:build-tools/xUbuntu_26.04/Release.key \
             | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/network_Meshtastic_build-tools.gpg >/dev/null
           sudo apt-get update -y --fix-missing
           sudo apt-get install -y build-essential devscripts equivs

diff --git a/.github/workflows/build_one_target.yml b/.github/workflows/build_one_target.yml
@@ -32,12 +32,12 @@ jobs:
       matrix:
         arch:
           - all
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - uses: actions/setup-python@v7
         with:
-          python-version: 3.x
+          python-version: "3.14"
           cache: pip
       - run: pip install -U platformio
       - name: Generate matrix
@@ -76,7 +76,7 @@ jobs:
 
   version:
     if: ${{ inputs.target != '' }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - uses: actions/checkout@v7
       - name: Get release version string
@@ -103,7 +103,7 @@ jobs:
     permissions:
       contents: read
       pull-requests: write
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     needs: [version, build]
     steps:
       - name: Checkout code

diff --git a/.github/workflows/build_portduino_wasm.yml b/.github/workflows/build_portduino_wasm.yml
@@ -17,7 +17,7 @@ permissions: {}
 jobs:
   build-wasm:
     name: Build PortDuino WASM
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     # Only pushes to the default branch (develop) populate the cache; PR / merge_group runs
     # restore it but never save, so they stop filling up the repo's Actions cache storage.
     env:

diff --git a/.github/workflows/docker_manifest.yml b/.github/workflows/docker_manifest.yml
@@ -21,7 +21,7 @@ jobs:
     with:
       distro: debian
       platform: linux/amd64
-      runs-on: ubuntu-24.04
+      runs-on: ubuntu-26.04
       push: true
     secrets: inherit
 
@@ -30,7 +30,7 @@ jobs:
     with:
       distro: debian
       platform: linux/arm64
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -39,7 +39,7 @@ jobs:
     with:
       distro: debian
       platform: linux/arm/v7
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -48,7 +48,7 @@ jobs:
     with:
       distro: debian
       platform: linux/riscv64
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -57,7 +57,7 @@ jobs:
     with:
       distro: alpine
       platform: linux/amd64
-      runs-on: ubuntu-24.04
+      runs-on: ubuntu-26.04
       push: true
     secrets: inherit
 
@@ -66,7 +66,7 @@ jobs:
     with:
       distro: alpine
       platform: linux/arm64
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -75,7 +75,7 @@ jobs:
     with:
       distro: alpine
       platform: linux/arm/v7
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -84,7 +84,7 @@ jobs:
     with:
       distro: alpine
       platform: linux/riscv64
-      runs-on: ubuntu-24.04-arm
+      runs-on: ubuntu-26.04-arm
       push: true
     secrets: inherit
 
@@ -100,7 +100,7 @@ jobs:
       - docker-alpine-arm64
       - docker-alpine-armv7
       - docker-alpine-riscv64
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v7

diff --git a/.github/workflows/firmware-size-comment.yml b/.github/workflows/firmware-size-comment.yml
@@ -16,7 +16,7 @@ jobs:
       github.event.workflow_run.conclusion != 'cancelled' &&
       github.repository == 'meshtastic/firmware'
     continue-on-error: true
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - name: Download size report
         id: download

diff --git a/.github/workflows/first_time_contributor.yml b/.github/workflows/first_time_contributor.yml
@@ -10,7 +10,7 @@ permissions: {}
 
 jobs:
   welcome:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     permissions:
       issues: write # Required to post comments and labels on issues
       pull-requests: write # Required to post comments and labels on PRs

diff --git a/.github/workflows/flasher-link-comment.yml b/.github/workflows/flasher-link-comment.yml
@@ -16,7 +16,7 @@ jobs:
       github.event.workflow_run.conclusion != 'cancelled' &&
       github.repository == 'meshtastic/firmware'
     continue-on-error: true
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       # Per-board manifests carry the firmware's own metadata (activelySupported,
       # displayName, ...) generated from each target's custom_meshtastic_* config.

diff --git a/.github/workflows/flasher-link-placeholder.yml b/.github/workflows/flasher-link-placeholder.yml
@@ -19,7 +19,7 @@ jobs:
   post-placeholder:
     if: github.repository == 'meshtastic/firmware'
     continue-on-error: true
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-26.04
     steps:
       - name: Post web flasher build-in-progress placeholder
         uses: actions/github-script@v9

diff --git a/.github/workflows/hook_copr.yml b/.github/workflows/hook_copr.yml
@@ -15,7 +15,7 @@ permissions:
 
 jobs:
   build-copr-hook:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v7