Bug Fixes

• types: avoid broadening vue instance type when using map helpers (#1639) (9a96720) (@ktsn)

Improvements

• warn when the different namespaced modules has the same namespace (#1554) (91f3e69) (@liyangworld)
• warn when mapXXX helpers receives an invalid parameter #1093 (#1297) (e5ca2d5) (@EdyHartono)
• warn when registered module conflicts with existing parent module state (#1365) (538ee58) (@simplesmiler)

Performance Improvements

• cache getters object in an action context of a namespaced module (#1546) (4003382) (@frankcs)