I am updating mediawiki 1.28 to 1.30
and remove old visual editor and install visual editor
using wget https://extdist.wmflabs.org/dist/extensions/VisualEditor-REL1_30-61f161a.tar.gz
but it's not work and check visual editor version with mediawiki version document, it's 0.1.0
visual editor requires getDefaultMode() function, but Mediawiki has no getDefaultMode() and defaultMode
I think 0.1.0 is need mediawiki 1.31
I downloaded for 1.30 'https://extdist.wmflabs.org/dist/extensions/VisualEditor-REL1_30-61f161a.tar.gz'
But installed version is 0.1.0