Not yet no. However, Loki has been successfully ported to all of the available variants thus we currently do have a way around the bootloader to flash custom recovery (TWRP has already been ported as well) and ROMs. Since there is always a chance that the exploit can be patched via a carrier issued software update, you have to be careful with OTA updates.
But as of yet, there is no "developer edition" of the G2 and all Verizon versions (AT&T and T-Mobile as well ... Sprint remains to be seen) come out of the box with a locked bootloader.