This isn't technically news now, but I just found out about it, so it's news to me!
https://www.ehx.com/products/5mmElectro-Harmonix (EHX) released the 5mm last fall. It goes along with the 44 Magnum and 22 Caliber (now retired), as a pedal-sized power amp. With only a volume knob and a bright switch to control it, this little guy rocks. Honestly, if it had a gain knob and could take 4 ohm speakers (it is only rated for 8 and 16 ohm loads), this might be the perfect little jam box. As it is, with a basic preamp or even EQ pedal in front of it, you can sure do a lot! Best part, it sells for $64 USD! It's even assembled here in the US!