BlinkUp now supports normal and half speed mode. Half speed mode improves resiliency against bit slips, which generally results in much more reliable BlinkUp using Android phones.
BlinkUp thresholding improved for better reliability
There is now a permanent database stored on the server for each impee. This allows persistent private data storage. See the server.permanent API docs for more info
i2c clock rate is now configurable (10, 50, 100 and 400kHz)
hardware.configure() has been removed. This is no longer needed, the peripheral configures do the necessary configuration themselves.
Imps can now have user-configured parameters (eg: a wakeup interval can be changed without altering the code). See the new imp.configure() API docs.
The first stage of squirrel XIP is complete, reducing the RAM footprint required for firmware. Significantly larger programs can now be written without running out of memory; future optimizations will improve on this further. Currently, the firmware hash is still validated at every boot, but the local code storage will enable wifi-less wakes in the near future.