Import the pebble dev site into devsite/

devsite/source/_changelogs/4.2.1.md

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+---
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+title: Pebble SDK 4.2.1 - Changelog
+date: 2016-10-19
+---
+
+This is a hotfix for [SDK 4.2](/sdk/changelogs/4.2/). No corresponding firmware exists.
+
+### Changes to Firmware
+
+None.
+
+### Changes to SDK
+
+* Removed the use of `eval` in JavaScript bundling that was causing incorrect behavior
+  when running in the emulator and on iOS.
+
+### Known issues
+
+* JavaScript errors do not have a useful filename or line number. You may find it helpful
+  to look up the line in build/pebble-js-app.js to determine what the error is referring to.