When setting up the new config for the Chinese language analysis plugins (SmartCN and STConvert), I left an old config in place that turns on SmartCN for zh-hans (simplified Chinese). That's reasonable on the face of it, but because of the fallback languages (see T147959), this would enable SmartCN for Gan (gan), Nuosu (ii), Wu (wuu), and Zhuang (za). Nuosu is a more closely related to Burmese, and the Zhuang family to Thai and Lao, so those are particularly inappropriate.
Related Gerrit Patches:
|mediawiki/extensions/CirrusSearch : master||Disable SmartCN for zh-hans|
|Open||None||T174065 [FY 2017-18 Objective] Improve support for searching in multiple languages|
|Open||None||T154511 [Epic] Research, test, and deploy new language analyzers|
|Resolved||TJones||T158202 [Research spike, 4 hours] Research Chinese language analyzers|
|Resolved||TJones||T158203 Test and analyze new Chinese language analyzers|
|Resolved||TJones||T166722 Disable SmartCN for zh-hans|