Pebble SDK 3.12 and 3.12.1 - Changelog

Release Date: May 10 2016

Added Smart Alarms, which are smarter than regular alarms because they try to avoid waking you from a deep sleep.
Added support for the Send Text app on iOS with Time-series watches and supported carriers.
iOS users with Time-series watches and supported carriers can now respond to phone calls with text messages.
Added Pebble Health notifications for runs and long walks, and daily activity and sleep.
Added notification icons for Amazon, LinkedIn, Slack, Google Maps, Google Photos and the iOS Photos app (only on Time-series watches).
Restored the ability to control general vibration strength (lost in 3.11 on Time-series watches).
Removed weekly activity and sleep charts from the health app (they're in the phone app now).
The default watchface, TicToc, is now written in and running as JavaScript on Pebble Time and Pebble Time Steel.
health_service_get_minute_history now correctly rounds the start time down to the nearest minute.
Fixed an issue where snooze on reminders sometimes never reminded you again.
Fixed popups still showing after entering low-power mode.
Fixed a crash when a notification is dismissed on the phone while performing a voice reply to that notification.
Fixed the watch briefly freezing after backing out of a progress window.
Fixed some incorrect timezone data.
Improved rendering of the sleep ring in the Health app after more than twelve hours of sleep.
Improved rendering of adjacent deep sleep sessions in the Health app.