If the code hasn't been touched in this long, its probably release-worthy.

src/platform/arduino/OTA.cpp

@@ -0,0 +1,34 @@
+#include "OTA.h"
+#include "../../Static.h"
+
+ArduinoOTAUpdater::ArduinoOTAUpdater() : BufferedInputSource("ArduinoOTA") {
+  ArduinoOTA.onStart(&ArduinoOTAUpdater::s_onStart);
+  ArduinoOTA.onProgress(&ArduinoOTAUpdater::s_onProgress);
+}
+
+void ArduinoOTAUpdater::loop() {
+    if (m_online) {
+        ArduinoOTA.handle();
+    }
+    BufferedInputSource::loop();
+}
+
+void ArduinoOTAUpdater::handleEvent(const InputEvent& evt) {
+    if (evt.intent == InputEvent::NetworkStatus && evt.asInt()) {
+        Log.notice("Booting OTA");
+        m_online = true;
+        ArduinoOTA.begin();
+    }
+}
+void ArduinoOTAUpdater::s_onStart() {
+    Log.notice("OTA Start!");
+    Static<ArduinoOTAUpdater>::instance()->setEvent(InputEvent::FirmwareUpdate);
+}
+
+void ArduinoOTAUpdater::s_onProgress(unsigned int progress, unsigned int total) {
+    Log.notice("OTA Progress! %d / %d", progress, total);
+    Static<ArduinoOTAUpdater>::instance()->setEvent(InputEvent{InputEvent::FirmwareUpdate, progress});
+}
+
+STATIC_ALLOC(ArduinoOTAUpdater);
+STATIC_TASK(ArduinoOTAUpdater);