diff --git a/third-party/ArduinoJson/extras/ci/arduino.sh b/third-party/ArduinoJson/extras/ci/arduino.sh
deleted file mode 100644
index f4c168a..0000000
--- a/third-party/ArduinoJson/extras/ci/arduino.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/bin/bash -eux
-
-/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16
-sleep 3
-export DISPLAY=:1.0
-
-mkdir -p /tmp/arduino
-curl -sS http://downloads.arduino.cc/arduino-$VERSION-linux64.tar.xz | tar xJ -C /tmp/arduino --strip 1 ||
-curl -sS http://downloads.arduino.cc/arduino-$VERSION-linux64.tgz | tar xz -C /tmp/arduino --strip 1
-export PATH=$PATH:/tmp/arduino/
-
-if [[ "$BOARD" =~ "arduino:samd:" ]]; then
-  arduino --install-boards arduino:samd
-fi
-
-ln -s $PWD /tmp/arduino/libraries/ArduinoJson
-
-for EXAMPLE in $PWD/examples/*/*.ino; do
-	arduino --verify --board $BOARD $EXAMPLE
-done
diff --git a/third-party/ArduinoJson/extras/tests/JsonArray/undefined.cpp b/third-party/ArduinoJson/extras/tests/JsonArray/undefined.cpp
deleted file mode 100644
index f33cc19..0000000
--- a/third-party/ArduinoJson/extras/tests/JsonArray/undefined.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-using namespace Catch::Matchers;
-
-TEST_CASE("Undefined JsonArray") {
-  JsonArray array;
-
-  SECTION("SubscriptFails") {
-    REQUIRE(array[0].isNull());
-  }
-
-  SECTION("AddFails") {
-    array.add(1);
-    REQUIRE(0 == array.size());
-  }
-
-  SECTION("CreateNestedArrayFails") {
-    REQUIRE(array.createNestedArray().isNull());
-  }
-
-  SECTION("CreateNestedObjectFails") {
-    REQUIRE(array.createNestedObject().isNull());
-  }
-
-  SECTION("PrintToWritesBrackets") {
-    char buffer[32];
-    serializeJson(array, buffer, sizeof(buffer));
-    REQUIRE_THAT(buffer, Equals("null"));
-  }
-}
diff --git a/third-party/ArduinoJson/extras/tests/JsonVariant/undefined.cpp b/third-party/ArduinoJson/extras/tests/JsonVariant/undefined.cpp
deleted file mode 100644
index 8c5fdcc..0000000
--- a/third-party/ArduinoJson/extras/tests/JsonVariant/undefined.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#include <ArduinoJson.h>
-#include <catch.hpp>
-
-TEST_CASE("JsonVariant undefined") {
-  JsonVariant variant;
-
-  SECTION("as<T>()") {
-    SECTION("long") {
-      REQUIRE(variant.as<long>() == 0);
-    }
-
-    SECTION("unsigned") {
-      REQUIRE(variant.as<unsigned>() == 0);
-    }
-
-    SECTION("const char*") {
-      REQUIRE(variant.as<const char*>() == 0);
-    }
-
-    SECTION("double") {
-      REQUIRE(variant.as<double>() == 0);
-    }
-
-    SECTION("bool") {
-      REQUIRE(variant.as<bool>() == false);
-    }
-
-    SECTION("JsonArray") {
-      REQUIRE(variant.as<JsonArray>().isNull());
-    }
-
-    SECTION("JsonObject") {
-      REQUIRE(variant.as<JsonObject>().isNull());
-    }
-  }
-
-  SECTION("is<T>()") {
-    SECTION("long") {
-      REQUIRE(variant.is<long>() == false);
-    }
-
-    SECTION("unsigned") {
-      REQUIRE(variant.is<unsigned>() == false);
-    }
-
-    SECTION("const char*") {
-      REQUIRE(variant.is<const char*>() == false);
-    }
-
-    SECTION("double") {
-      REQUIRE(variant.is<double>() == false);
-    }
-
-    SECTION("bool") {
-      REQUIRE(variant.is<bool>() == false);
-    }
-
-    SECTION("JsonArray") {
-      REQUIRE(variant.is<JsonArray>() == false);
-    }
-
-    SECTION("JsonObject") {
-      REQUIRE(variant.is<JsonObject>() == false);
-    }
-  }
-
-  SECTION("set<T>()") {
-    SECTION("long") {
-      REQUIRE(variant.set(42L) == false);
-    }
-
-    SECTION("unsigned") {
-      REQUIRE(variant.set(42U) == false);
-    }
-
-    SECTION("const char*") {
-      REQUIRE(variant.set("42") == false);
-    }
-
-    SECTION("Serialized<const char*>") {
-      REQUIRE(variant.set(serialized("42")) == false);
-    }
-
-    SECTION("double") {
-      REQUIRE(variant.set(42.0) == false);
-    }
-
-    SECTION("bool") {
-      REQUIRE(variant.set(true) == false);
-    }
-  }
-}
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Polyfills/safe_strcmp.hpp b/third-party/ArduinoJson/src/ArduinoJson/Polyfills/safe_strcmp.hpp
deleted file mode 100644
index e017b5d..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Polyfills/safe_strcmp.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-
-#include <stdint.h>  // int8_t
-
-namespace ARDUINOJSON_NAMESPACE {
-
-inline int safe_strcmp(const char* a, const char* b) {
-  if (a == b)
-    return 0;
-  if (!a)
-    return -1;
-  if (!b)
-    return 1;
-  return strcmp(a, b);
-}
-
-inline int safe_strncmp(const char* a, const char* b, size_t n) {
-  if (a == b)
-    return 0;
-  if (!a)
-    return -1;
-  if (!b)
-    return 1;
-  return strncmp(a, b, n);
-}
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Polyfills/utility.hpp b/third-party/ArduinoJson/src/ArduinoJson/Polyfills/utility.hpp
deleted file mode 100644
index c99bc99..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Polyfills/utility.hpp
+++ /dev/null
@@ -1,28 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include "type_traits.hpp"
-
-namespace ARDUINOJSON_NAMESPACE {
-template <typename T>
-inline void swap(T& a, T& b) {
-  T t(a);
-  a = b;
-  b = t;
-}
-
-#if ARDUINOJSON_HAS_RVALUE_REFERENCES
-template <typename T>
-typename remove_reference<T>::type&& move(T&& t) {
-  return static_cast<typename remove_reference<T>::type&&>(t);
-}
-#else
-template <typename T>
-T& move(T& t) {
-  return t;
-}
-#endif
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ArduinoStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ArduinoStringAdapter.hpp
deleted file mode 100644
index 3d52040..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ArduinoStringAdapter.hpp
+++ /dev/null
@@ -1,51 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <Arduino.h>
-
-#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter< ::String> {
- public:
-  StringAdapter(const ::String& str) : _str(&str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str->c_str(), n);
-  }
-
-  bool isNull() const {
-    // Arduino's String::c_str() can return NULL
-    return !_str->c_str();
-  }
-
-  int compare(const char* other) const {
-    // Arduino's String::c_str() can return NULL
-    const char* me = _str->c_str();
-    return safe_strcmp(me, other);
-  }
-
-  size_t size() const {
-    return _str->length();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const ::String* _str;
-};
-
-template <>
-class StringAdapter< ::StringSumHelper> : public StringAdapter< ::String> {
- public:
-  StringAdapter(const ::String& s) : StringAdapter< ::String>(s) {}
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ConstRamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ConstRamStringAdapter.hpp
deleted file mode 100644
index b4a696e..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/ConstRamStringAdapter.hpp
+++ /dev/null
@@ -1,51 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <stddef.h>  // size_t
-#include <string.h>  // strcmp
-
-#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter<const char*> {
- public:
-  StringAdapter(const char* str = 0) : _str(str) {}
-
-  int compare(const char* other) const {
-    return safe_strcmp(_str, other);
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  size_t size() const {
-    if (!_str)
-      return 0;
-    return strlen(_str);
-  }
-
-  const char* data() const {
-    return _str;
-  }
-
-  typedef storage_policies::store_by_address storage_policy;
-
- protected:
-  const char* _str;
-};
-
-template <int N>
-class StringAdapter<const char[N]> : public StringAdapter<const char*> {
- public:
-  StringAdapter(const char* s) : StringAdapter<const char*>(s) {}
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/FlashStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/FlashStringAdapter.hpp
deleted file mode 100644
index 3a95818..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/FlashStringAdapter.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Polyfills/pgmspace.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter<const __FlashStringHelper*> {
- public:
-  StringAdapter(const __FlashStringHelper* str) : _str(str) {}
-
-  int compare(const char* other) const {
-    if (!other && !_str)
-      return 0;
-    if (!_str)
-      return -1;
-    if (!other)
-      return 1;
-    return -strcmp_P(other, reinterpret_cast<const char*>(_str));
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy_P(p, reinterpret_cast<const char*>(_str), n);
-  }
-
-  size_t size() const {
-    if (!_str)
-      return 0;
-    return strlen_P(reinterpret_cast<const char*>(_str));
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const __FlashStringHelper* _str;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/JsonStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/JsonStringAdapter.hpp
deleted file mode 100644
index c34abce..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/JsonStringAdapter.hpp
+++ /dev/null
@@ -1,27 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Strings/Adapters/RamStringAdapter.hpp>
-#include <ArduinoJson/Strings/String.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter<String> : public StringAdapter<char*> {
- public:
-  StringAdapter(const String& str)
-      : StringAdapter<char*>(str.c_str()), _isStatic(str.isStatic()) {}
-
-  bool isStatic() const {
-    return _isStatic;
-  }
-
-  typedef storage_policies::decide_at_runtime storage_policy;
-
- private:
-  bool _isStatic;
-};
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/RamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/RamStringAdapter.hpp
deleted file mode 100644
index f2b01d1..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/RamStringAdapter.hpp
+++ /dev/null
@@ -1,29 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Polyfills/type_traits.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename TChar>
-class StringAdapter<TChar*, false,
-                    typename enable_if<sizeof(TChar) == 1 &&
-                                       !is_same<TChar, void>::value>::type>
-    : public StringAdapter<const char*> {
- public:
-  StringAdapter(const TChar* str)
-      : StringAdapter<const char*>(reinterpret_cast<const char*>(str)) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str, n);
-  }
-
-  typedef ARDUINOJSON_NAMESPACE::storage_policies::store_by_copy storage_policy;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedFlashStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedFlashStringAdapter.hpp
deleted file mode 100644
index b2d012f..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedFlashStringAdapter.hpp
+++ /dev/null
@@ -1,48 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter<const __FlashStringHelper*, true> {
- public:
-  StringAdapter(const __FlashStringHelper* str, size_t sz)
-      : _str(str), _size(sz) {}
-
-  int compare(const char* other) const {
-    if (!other && !_str)
-      return 0;
-    if (!_str)
-      return -1;
-    if (!other)
-      return 1;
-    return -strncmp_P(other, reinterpret_cast<const char*>(_str), _size);
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy_P(p, reinterpret_cast<const char*>(_str), n);
-  }
-
-  size_t size() const {
-    return _size;
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const __FlashStringHelper* _str;
-  size_t _size;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedRamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedRamStringAdapter.hpp
deleted file mode 100644
index a18d5ab..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/SizedRamStringAdapter.hpp
+++ /dev/null
@@ -1,43 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-#include <string.h>  // strcmp
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename TChar>
-class StringAdapter<TChar*, true> {
- public:
-  StringAdapter(const char* str, size_t n) : _str(str), _size(n) {}
-
-  int compare(const char* other) const {
-    return safe_strncmp(_str, other, _size);
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str, n);
-  }
-
-  size_t size() const {
-    return _size;
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const char* _str;
-  size_t _size;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StdStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StdStringAdapter.hpp
deleted file mode 100644
index 4d2d32c..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StdStringAdapter.hpp
+++ /dev/null
@@ -1,46 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-#include <string>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename TCharTraits, typename TAllocator>
-class StringAdapter<std::basic_string<char, TCharTraits, TAllocator> > {
- public:
-  typedef std::basic_string<char, TCharTraits, TAllocator> string_type;
-
-  StringAdapter(const string_type& str) : _str(&str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str->c_str(), n);
-  }
-
-  bool isNull() const {
-    return false;
-  }
-
-  int compare(const char* other) const {
-    if (!other)
-      return 1;
-    return _str->compare(other);
-  }
-
-  size_t size() const {
-    return _str->size();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const string_type* _str;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StringViewAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StringViewAdapter.hpp
deleted file mode 100644
index 787f7c2..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/Adapters/StringViewAdapter.hpp
+++ /dev/null
@@ -1,44 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-#include <ArduinoJson/Strings/StringAdapter.hpp>
-
-#include <string_view>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <>
-class StringAdapter<std::string_view> {
- public:
-  StringAdapter(std::string_view str) : _str(str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str.data(), n);
-  }
-
-  bool isNull() const {
-    return false;
-  }
-
-  int compare(const char* other) const {
-    if (!other)
-      return 1;
-    return _str.compare(other);
-  }
-
-  size_t size() const {
-    return _str.size();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  std::string_view _str;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/ArduinoStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/ArduinoStringAdapter.hpp
deleted file mode 100644
index 3797d68..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/ArduinoStringAdapter.hpp
+++ /dev/null
@@ -1,58 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <Arduino.h>
-
-#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class ArduinoStringAdapter {
- public:
-  ArduinoStringAdapter(const ::String& str) : _str(&str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str->c_str(), n);
-  }
-
-  bool isNull() const {
-    // Arduino's String::c_str() can return NULL
-    return !_str->c_str();
-  }
-
-  int compare(const char* other) const {
-    // Arduino's String::c_str() can return NULL
-    const char* me = _str->c_str();
-    return safe_strcmp(me, other);
-  }
-
-  bool equals(const char* expected) const {
-    return compare(expected) == 0;
-  }
-
-  size_t size() const {
-    return _str->length();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const ::String* _str;
-};
-
-template <>
-struct IsString< ::String> : true_type {};
-
-template <>
-struct IsString< ::StringSumHelper> : true_type {};
-
-inline ArduinoStringAdapter adaptString(const ::String& str) {
-  return ArduinoStringAdapter(str);
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/ConstRamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/ConstRamStringAdapter.hpp
deleted file mode 100644
index 92298ac..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/ConstRamStringAdapter.hpp
+++ /dev/null
@@ -1,58 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <stddef.h>  // size_t
-#include <string.h>  // strcmp
-
-#include <ArduinoJson/Polyfills/safe_strcmp.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class ConstRamStringAdapter {
- public:
-  ConstRamStringAdapter(const char* str = 0) : _str(str) {}
-
-  int compare(const char* other) const {
-    return safe_strcmp(_str, other);
-  }
-
-  bool equals(const char* expected) const {
-    return compare(expected) == 0;
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  size_t size() const {
-    if (!_str)
-      return 0;
-    return strlen(_str);
-  }
-
-  const char* data() const {
-    return _str;
-  }
-
-  typedef storage_policies::store_by_address storage_policy;
-
- protected:
-  const char* _str;
-};
-
-template <>
-struct IsString<const char*> : true_type {};
-
-template <int N>
-struct IsString<const char[N]> : true_type {};
-
-inline ConstRamStringAdapter adaptString(const char* str) {
-  return ConstRamStringAdapter(str);
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/FlashStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/FlashStringAdapter.hpp
deleted file mode 100644
index 918a535..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/FlashStringAdapter.hpp
+++ /dev/null
@@ -1,57 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Polyfills/pgmspace.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class FlashStringAdapter {
- public:
-  FlashStringAdapter(const __FlashStringHelper* str) : _str(str) {}
-
-  int compare(const char* other) const {
-    if (!other && !_str)
-      return 0;
-    if (!_str)
-      return -1;
-    if (!other)
-      return 1;
-    return -strcmp_P(other, reinterpret_cast<const char*>(_str));
-  }
-
-  bool equals(const char* expected) const {
-    return compare(expected) == 0;
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy_P(p, reinterpret_cast<const char*>(_str), n);
-  }
-
-  size_t size() const {
-    if (!_str)
-      return 0;
-    return strlen_P(reinterpret_cast<const char*>(_str));
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const __FlashStringHelper* _str;
-};
-
-inline FlashStringAdapter adaptString(const __FlashStringHelper* str) {
-  return FlashStringAdapter(str);
-}
-
-template <>
-struct IsString<const __FlashStringHelper*> : true_type {};
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/IsWriteableString.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/IsWriteableString.hpp
deleted file mode 100644
index 556c476..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/IsWriteableString.hpp
+++ /dev/null
@@ -1,37 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Configuration.hpp>
-#include <ArduinoJson/Polyfills/type_traits.hpp>
-
-#if ARDUINOJSON_ENABLE_ARDUINO_STRING
-#  include <Arduino.h>
-#endif
-
-#if ARDUINOJSON_ENABLE_STD_STRING
-#  include <string>
-#endif
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename>
-struct IsWriteableString : false_type {};
-
-#if ARDUINOJSON_ENABLE_ARDUINO_STRING
-
-template <>
-struct IsWriteableString< ::String> : true_type {};
-
-#endif
-
-#if ARDUINOJSON_ENABLE_STD_STRING
-
-template <typename TCharTraits, typename TAllocator>
-struct IsWriteableString<std::basic_string<char, TCharTraits, TAllocator> >
-    : true_type {};
-
-#endif
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/RamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/RamStringAdapter.hpp
deleted file mode 100644
index eded6c9..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/RamStringAdapter.hpp
+++ /dev/null
@@ -1,43 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Strings/ConstRamStringAdapter.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class RamStringAdapter : public ConstRamStringAdapter {
- public:
-  RamStringAdapter(const char* str) : ConstRamStringAdapter(str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str, n);
-  }
-
-  typedef ARDUINOJSON_NAMESPACE::storage_policies::store_by_copy storage_policy;
-};
-
-template <typename TChar>
-inline RamStringAdapter adaptString(const TChar* str) {
-  return RamStringAdapter(reinterpret_cast<const char*>(str));
-}
-
-inline RamStringAdapter adaptString(char* str) {
-  return RamStringAdapter(str);
-}
-
-template <typename TChar>
-struct IsString<TChar*> {
-  static const bool value = sizeof(TChar) == 1;
-};
-
-template <>
-struct IsString<void*> {
-  static const bool value = false;
-};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedFlashStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedFlashStringAdapter.hpp
deleted file mode 100644
index 1055f66..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedFlashStringAdapter.hpp
+++ /dev/null
@@ -1,55 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class SizedFlashStringAdapter {
- public:
-  SizedFlashStringAdapter(const __FlashStringHelper* str, size_t sz)
-      : _str(str), _size(sz) {}
-
-  int compare(const char* other) const {
-    if (!other && !_str)
-      return 0;
-    if (!_str)
-      return -1;
-    if (!other)
-      return 1;
-    return -strncmp_P(other, reinterpret_cast<const char*>(_str), _size);
-  }
-
-  bool equals(const char* expected) const {
-    return compare(expected) == 0;
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy_P(p, reinterpret_cast<const char*>(_str), n);
-  }
-
-  size_t size() const {
-    return _size;
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const __FlashStringHelper* _str;
-  size_t _size;
-};
-
-inline SizedFlashStringAdapter adaptString(const __FlashStringHelper* str,
-                                           size_t sz) {
-  return SizedFlashStringAdapter(str, sz);
-}
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedRamStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedRamStringAdapter.hpp
deleted file mode 100644
index 62460a1..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/SizedRamStringAdapter.hpp
+++ /dev/null
@@ -1,51 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-#include <string.h>  // strcmp
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class SizedRamStringAdapter {
- public:
-  SizedRamStringAdapter(const char* str, size_t n) : _str(str), _size(n) {}
-
-  int compare(const char* other) const {
-    return safe_strncmp(_str, other, _size);
-  }
-
-  bool equals(const char* expected) const {
-    return compare(expected) == 0;
-  }
-
-  bool isNull() const {
-    return !_str;
-  }
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str, n);
-  }
-
-  size_t size() const {
-    return _size;
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const char* _str;
-  size_t _size;
-};
-
-template <typename TChar>
-inline SizedRamStringAdapter adaptString(const TChar* str, size_t size) {
-  return SizedRamStringAdapter(reinterpret_cast<const char*>(str), size);
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/StdStringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/StdStringAdapter.hpp
deleted file mode 100644
index 3979070..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/StdStringAdapter.hpp
+++ /dev/null
@@ -1,61 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-#include <string>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename TString>
-class StdStringAdapter {
- public:
-  StdStringAdapter(const TString& str) : _str(&str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str->c_str(), n);
-  }
-
-  bool isNull() const {
-    return false;
-  }
-
-  int compare(const char* other) const {
-    if (!other)
-      return 1;
-    return _str->compare(other);
-  }
-
-  bool equals(const char* expected) const {
-    if (!expected)
-      return false;
-    return *_str == expected;
-  }
-
-  size_t size() const {
-    return _str->size();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  const TString* _str;
-};
-
-template <typename TCharTraits, typename TAllocator>
-struct IsString<std::basic_string<char, TCharTraits, TAllocator> > : true_type {
-};
-
-template <typename TCharTraits, typename TAllocator>
-inline StdStringAdapter<std::basic_string<char, TCharTraits, TAllocator> >
-adaptString(const std::basic_string<char, TCharTraits, TAllocator>& str) {
-  return StdStringAdapter<std::basic_string<char, TCharTraits, TAllocator> >(
-      str);
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/StringAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/StringAdapter.hpp
deleted file mode 100644
index 1d55b21..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/StringAdapter.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Polyfills/type_traits.hpp>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-template <typename T, bool bounded = false, typename Enable = void>
-class StringAdapter;
-
-template <typename T>
-inline StringAdapter<T, false> adaptString(const T& str) {
-  return StringAdapter<T, false>(str);
-}
-
-template <typename T>
-inline StringAdapter<T, true> adaptString(const T& str, size_t sz) {
-  return StringAdapter<T, true>(str, sz);
-}
-
-template <typename T, typename Enable = void>
-struct IsString : false_type {};
-
-template <typename T>
-struct IsString<
-    T, typename make_void<typename StringAdapter<T>::storage_policy>::type>
-    : true_type {};
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/ArduinoJson/src/ArduinoJson/Strings/StringViewAdapter.hpp b/third-party/ArduinoJson/src/ArduinoJson/Strings/StringViewAdapter.hpp
deleted file mode 100644
index 4720660..0000000
--- a/third-party/ArduinoJson/src/ArduinoJson/Strings/StringViewAdapter.hpp
+++ /dev/null
@@ -1,56 +0,0 @@
-// ArduinoJson - https://arduinojson.org
-// Copyright Benoit Blanchon 2014-2021
-// MIT License
-
-#pragma once
-
-#include <ArduinoJson/Namespace.hpp>
-#include <ArduinoJson/Strings/IsString.hpp>
-#include <ArduinoJson/Strings/StoragePolicy.hpp>
-
-#include <string_view>
-
-namespace ARDUINOJSON_NAMESPACE {
-
-class StringViewAdapter {
- public:
-  StringViewAdapter(std::string_view str) : _str(str) {}
-
-  void copyTo(char* p, size_t n) const {
-    memcpy(p, _str.data(), n);
-  }
-
-  bool isNull() const {
-    return false;
-  }
-
-  int compare(const char* other) const {
-    if (!other)
-      return 1;
-    return _str.compare(other);
-  }
-
-  bool equals(const char* expected) const {
-    if (!expected)
-      return false;
-    return _str == expected;
-  }
-
-  size_t size() const {
-    return _str.size();
-  }
-
-  typedef storage_policies::store_by_copy storage_policy;
-
- private:
-  std::string_view _str;
-};
-
-template <>
-struct IsString<std::string_view> : true_type {};
-
-inline StringViewAdapter adaptString(const std::string_view& str) {
-  return StringViewAdapter(str);
-}
-
-}  // namespace ARDUINOJSON_NAMESPACE
diff --git a/third-party/Synth_Dexed/src/compressor.h b/third-party/Synth_Dexed/src/compressor.h
index 22331eb..396d416 100644
--- a/third-party/Synth_Dexed/src/compressor.h
+++ b/third-party/Synth_Dexed/src/compressor.h
@@ -87,7 +87,8 @@ class Compressor
         arm_scale_f32(audio_block, pre_gain, audio_block, len); //use ARM DSP for speed!
 
       //calculate the level of the audio (ie, calculate a smoothed version of the signal power)
-      float32_t* audio_level_dB_block = (float32_t*)malloc(sizeof(float32_t)*len); 
+      //float32_t* audio_level_dB_block = (float32_t*)malloc(sizeof(float32_t)*len); 
+      float32_t* audio_level_dB_block = new float32_t[len]; 
       if(!audio_level_dB_block)
       {
         printf("Cannot allocate memory for \"audio_level_dB_block\" - stopping\n");
@@ -100,7 +101,8 @@ class Compressor
       	calcAudioLevel_dB(audio_block, audio_level_dB_block, len); //returns through audio_level_dB_block
 
       //compute the desired gain based on the observed audio level
-      float32_t* gain_block=(float32_t*)malloc(sizeof(float32_t)*len); 
+      //float32_t* gain_block=(float32_t*)malloc(sizeof(float32_t)*len); 
+      float32_t* gain_block=new float32_t[len]; 
       if(!gain_block)
       {
         printf("Cannot allocate memory for \"gain_block\" - stopping\n");
@@ -130,7 +132,8 @@ class Compressor
     void calcAudioLevel_dB(float32_t *wav_block, float32_t *level_dB_block, uint16_t len) { 
     	
       // calculate the instantaneous signal power (square the signal)
-      float32_t* wav_pow_block=(float32_t*)malloc(sizeof(float32_t)*len); 
+      //float32_t* wav_pow_block=(float32_t*)malloc(sizeof(float32_t)*len); 
+      float32_t* wav_pow_block=new float32_t[len]; 
       if(!wav_pow_block)
       {
         printf("Cannot allocate memory for \"wav_pow_block\" - stopping\n");
@@ -172,7 +175,8 @@ class Compressor
     void calcGain(float32_t *audio_level_dB_block, float32_t *gain_block,uint16_t len) { 
     
       //first, calculate the instantaneous target gain based on the compression ratio
-      float32_t* inst_targ_gain_dB_block=(float32_t*)malloc(sizeof(float32_t)*len);
+      //float32_t* inst_targ_gain_dB_block=(float32_t*)malloc(sizeof(float32_t)*len);
+      float32_t* inst_targ_gain_dB_block=new float32_t[len];
       if(!inst_targ_gain_dB_block)
       {
 	printf("Cannot allocate memory for \"inst_targ_gain_dB_block\" - stopping\n");
@@ -183,7 +187,8 @@ class Compressor
       calcInstantaneousTargetGain(audio_level_dB_block, inst_targ_gain_dB_block,len);
     
       //second, smooth in time (attack and release) by stepping through each sample
-      float32_t *gain_dB_block = (float32_t*)malloc(sizeof(float32_t)*len); 
+      //float32_t *gain_dB_block = (float32_t*)malloc(sizeof(float32_t)*len); 
+      float32_t *gain_dB_block = new float32_t[len]; 
       if(!gain_dB_block)
       {
 	printf("Cannot allocate memory for \"gain_dB_block\" - stopping\n");
@@ -212,7 +217,8 @@ class Compressor
     void calcInstantaneousTargetGain(float32_t *audio_level_dB_block, float32_t *inst_targ_gain_dB_block, uint16_t len) {
       
       // how much are we above the compression threshold?
-      float32_t* above_thresh_dB_block=(float32_t*)malloc(sizeof(float32_t)*len);
+      //float32_t* above_thresh_dB_block=(float32_t*)malloc(sizeof(float32_t)*len);
+      float32_t* above_thresh_dB_block=new float32_t[len];
       if(!above_thresh_dB_block)
       {
         printf("Cannot allocate memory for \"above_thresh_dB_block\" - stopping\n");