Include/check:
Stempel Polish language analyzer from Elastic, v 5.3: https://www.elastic.co/guide/en/elasticsearch/plugins/5.3/analysis-stempel.html
Ukrainian language analyzer from Elastic, v 5.3: https://www.elastic.co/guide/en/elasticsearch/plugins/5.3/analysis-ukrainian.html
SmartCN Chinese language analyzer from Elastic, v 5.3: https://www.elastic.co/guide/en/elasticsearch/plugins/5.3/analysis-smartcn.html
STConvert Analysis for Elasticsearch, v 5.3: https://github.com/medcl/elasticsearch-analysis-stconvert/releases/tag/v5.3.0
HebMorph: https://github.com/synhershko/elasticsearch-analysis-hebrew/
This is similar to T160948: Deploy new versions of Wikimedia and other Elasticsearch plugins, except that is deploying them to production, rather than to Vagrant.