1. 2016-03-29 [1] [slf4j-user] History of API changes slf4j-use Ponomarenko A 2. 2016-03-09 [4] [slf4j-user] Missing logger name on Google Appengine slf4j-use Ceki Gulcu 3. 2016-03-04 [3] [slf4j-user] slf4j-logs has no replacement for org.ap slf4j-use Stevo_Slavić