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58 lines
2.6 KiB
Markdown
58 lines
2.6 KiB
Markdown
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---
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# Copyright 2025 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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title: Pebble SDK 4.2 - Changelog
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date: 2016-10-18
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---
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### Changes to Firmware
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* Emery can now run apps compiled for Basalt (SDK 4.1 or earlier) or Aplite
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(SDK 3.7 or earlier) in "bezel mode".
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* Fixed ``health_service_metric_accessible`` for heartrate-related metrics.
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* Note that, as heartrate data is only retained for two hours, HRM accessibility
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checks going back further than two hours will always return `false`.
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* Rocky.js: The reliability of the ``postMessage`` API has been improved.
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* Rocky.js: `postmessageconnected`, `postmessagedisconnected` and `postmessageerror`
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events have been added.
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* Rocky.js: Using regular expressions no longer results in substantial app log spam.
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* Rocky.js: The coordinate system was adjusted by 0.5 pixels; (0, 0) now refers to
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top left of the first pixel, rather than the center of the pixel.
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* Rocky.js: The `memorypressure` event has been added. When fired with
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`{level: 'high'}`, the app must free up sufficient memory or it will be
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terminated.
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* Rocky.js: Content size is exposed via ``UserPreferences``.
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* Rocky.js: `watchInfo.platform` now works as expected in the emulator.
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* Rocky.js: Removed the global `print()` function; use `console.log()`.
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* Rocky.js: Fixed a crash when passing invalid values to `clearTimeout` or
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`clearInterval`.
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* Rocky.js: Provided constructors for `CanvasRenderingContext2D`, `RockyCanvasElement`
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and `Event`.
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* Rocky.js: Removed unimplemented methods that previously threw an exception when called,
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allowing for polyfills of those methods.
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* Rocky.js: Added the ability to unsubscribe from events using ``removeEventListener`` or
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``off``.
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* Bug fixes and improvements.
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### Changes to SDK
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* Added support for the Emery platform.
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* Rocky.js is now considered stable, and can be used to submit apps to the appstore.
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* Rocky.js: The default app template has been improved.
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* Added ``preferred_content_size()`` to retrieve the user's preferred font size.
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* All JS bundling is now performed using [webpack](https://webpack.github.io)
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* Only JavaScript files that are actually used are now bundled.
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