diff --git a/.github/workflows/pxt-buildtarget.yml b/.github/workflows/pxt-buildtarget.yml
new file mode 100644
index 00000000..c0726c87
--- /dev/null
+++ b/.github/workflows/pxt-buildtarget.yml
@@ -0,0 +1,39 @@
+name: pxt-buildtarget
+
+on:
+  push:
+    branches: 
+      - master
+  create:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [8.x]
+
+    steps:
+      - uses: actions/checkout@v1
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: npm install
+        run: |
+          sudo apt-get install xvfb
+          sudo npm install -g pxt
+          npm install
+      - name: pxt ci
+        run: |
+          pxt ci
+        env:
+          CROWDIN_KEY: ${{ secrets.CROWDIN_KEY }}
+          PXT_ACCESS_TOKEN: ${{ secrets.PXT_ACCESS_TOKEN }}
+          PXT_RELEASE_REPO: ${{ secrets.PXT_RELEASE_REPO }}
+          NPM_ACCESS_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}
+          CHROME_BIN: chromium-browser
+          DISPLAY: :99.0
+          CI: true
\ No newline at end of file
diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index 860eb1e0..98d947e3 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -439,6 +439,7 @@
   "input.runningTimeMicros": "Gets the number of microseconds elapsed since power on.",
   "input.setAccelerometerRange": "Sets the accelerometer sample range in gravities.",
   "input.setAccelerometerRange|param|range": "a value describe the maximum strengh of acceleration measured",
+  "input.soundLevel": "gets the level of loudness in 0-100%",
   "input.temperature": "Gets the temperature in Celsius degrees (°C).",
   "led": "Control of the LED screen.",
   "led.brightness": "Get the screen brightness from 0 (off) to 255 (full bright).",
diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index 582d6a69..7e6c79c8 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -327,6 +327,7 @@
   "input.runningTimeMicros|block": "running time (micros)",
   "input.runningTime|block": "running time (ms)",
   "input.setAccelerometerRange|block": "set accelerometer|range %range",
+  "input.soundLevel|block": "Loudness",
   "input.temperature|block": "temperature (°C)",
   "input|block": "input",
   "led.brightness|block": "brightness",
diff --git a/libs/core/enums.d.ts b/libs/core/enums.d.ts
index 089ea4e8..5cdd9788 100644
--- a/libs/core/enums.d.ts
+++ b/libs/core/enums.d.ts
@@ -470,10 +470,8 @@ declare namespace motors {
 
 
     declare const enum AnalogPin {
-    P0 = 112,  // MICROBIT_ID_IO_P12
     P1 = 100,  // MICROBIT_ID_IO_P0
     P2 = 101,  // MICROBIT_ID_IO_P1
-    P3 = 116,  // MICROBIT_ID_IO_P16
     C4 = 103,  // MICROBIT_ID_IO_P3
     C5 = 104,  // MICROBIT_ID_IO_P4
     C6 = 110,  // MICROBIT_ID_IO_P10
diff --git a/libs/core/pins.cpp b/libs/core/pins.cpp
index f2fc4103..47eef73a 100644
--- a/libs/core/pins.cpp
+++ b/libs/core/pins.cpp
@@ -342,7 +342,7 @@ namespace pins {
     void analogPitch(int frequency, int ms) {
         // init pins if needed
         if (NULL == pitchPin) {
-            pitchPin = getPin((int)AnalogPin::P0);
+            pitchPin = getPin((int)DigitalPin::P0);
 #ifdef SOUND_MIRROR_EXTENSION
             pitchPin2 = &SOUND_MIRROR_EXTENSION;
 #endif           
diff --git a/libs/microphone/_locales/microphone-jsdoc-strings.json b/libs/microphone/_locales/microphone-jsdoc-strings.json
index 8f875aee..e8c66916 100644
--- a/libs/microphone/_locales/microphone-jsdoc-strings.json
+++ b/libs/microphone/_locales/microphone-jsdoc-strings.json
@@ -2,5 +2,5 @@
   "input": "Events and data from sensors",
   "input.onLoudSound": "Registers an event that runs when a loud sound is detected",
   "input.setLoudSoundThreshold": "Sets the minimum threshold for a loud sound",
-  "input.soundLevel": "Reads the loudness through the microphone from 0 (silent) to 255 (loud)"
+  "input.soundLevel": "gets the level of loudness in 0-100%\n\nReads the loudness through the microphone from 0 (silent) to 255 (loud)"
 }
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 278a9c13..f728b6d7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "pxt-calliope",
-  "version": "3.0.22",
+  "version": "3.0.26",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 8600f834..46e32662 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "pxt-calliope",
-    "version": "3.0.22",
+    "version": "3.0.26",
     "description": "micro:bit target for Microsoft MakeCode (PXT)",
     "keywords": [
         "JavaScript",
@@ -46,6 +46,6 @@
     },
     "dependencies": {
         "pxt-common-packages": "7.0.4",
-        "pxt-core": "6.0.20"
+        "pxt-core": "6.0.23"
     }
 }
diff --git a/pxtarget.json b/pxtarget.json
index 7b52e407..a19b2d0a 100644
--- a/pxtarget.json
+++ b/pxtarget.json
@@ -35,6 +35,7 @@
         "deployDrives": "MINI",
         "driveName": "MINI",
         "hexMimeType": "application/x-microbit-hex",
+        "moveHexEof": true,
         "openocdScript": "source [find interface/cmsis-dap.cfg]; source [find target/nrf51.cfg]",
         "flashUsableEnd": 242688,
         "flashEnd": 242688,
@@ -456,5 +457,6 @@
             }
         }
     },
-    "uploadDocs": true
+    "uploadDocs": true,
+    "ignoreDocsErrors": true
 }