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57 lines
2.2 KiB
Markdown
57 lines
2.2 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 2.8 - Changelog
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date: 2014-11-20
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---
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This release changes the rendering behaviour of custom fonts in apps compiled with SDK 2.8. The change
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improves the visual appearance of fonts, but also causes them to be slightly larger. If you rebuild with
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SDK 2.8 and text no longer fits, you can revert to the old behaviour by setting `"compatibility": "2.7"`
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in the resource block for that font, like so:
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```javascript
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{
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"type": "font",
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"file": "fonts/something.ttf",
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"name": "FONT_SOMETHING_24",
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"compatibility": "2.7"
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}
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```
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System fonts are unaffected by this change.
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## Detailed List of Changes:
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### Changes for Firmware:
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* All system `GOTHIC` fonts are expanded to contain 351 characters
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* Add ``setlocale`` and ``i18n_get_system_locale`` APIs in preparation for internationalization support
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* Fix an issue that could cause an incorrect accelerometer sampling rate to be used
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* Fix an issue causing wakeup events scheduled less than thirty seconds in the future to fail
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* Improve the performance of very small resource reads
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* Fix an issue where iOS calendar alert notifications sometimes did not appear
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* Fix an issue sometimes causing spurious "Loading..." notifications to appear on iOS
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* Improve behaviour when trying to boot with a critically low battery
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### Changes for SDK Tools:
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* Improve font rendering for custom fonts when compiling with SDK 2.8
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* This can change the font metrics. If the font no longer fits, add the flag `"compatibility": "2.7"`
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to the resource entry for that font.
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### Changes for Examples:
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No changes
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### Changes for Documentation:
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* Fix explanation of the timezone of timestamps passed to ``wakeup_schedule``
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