v0.8.6

Change Log

Major Features and Improvements

• add IFM and DIFM model @zanshuxun
• add DeepFEFM model @pandeconscious
• improve the compatibility for tensorflow 2.5 @shenweichen

Bug Fixes and Other Changes

• add training param to activation layer #360 @shenweichen
• add PositionEncoding Layer #365 @shenweichen
• fix error when linear_feature_columns is empty in tensorflow 1.12 @shenweichen