Patch 0.9.14 is expected to arrive right after the 8th March.
The next Polish tank is now known, it is the medium 14TP L42 50mm on tier 5.
http://www.dom1n.com/wp-content/grand-media/image/original/pojazd-czolg-model-14tp.jpg
https://pp.vk.me/c7002/v7002072/165c4/_7CRYEn_Fns.jpg