newfeatures:

corrections:
1) Automatic switching to internal coordinate source is fixed.
2) Updating of WIFI_HUB_CONNECTED status is fixed.
3) Operating with SD cards is improved.
4) Going to sleep mode in case of low external power voltage is fixed.

annotations:
ATTENTION:
Upgrading to this firmware is available from firmware 33.0 or greater.
This firmware requires bootloader 2.0 or greater.
Revision 1
