Hello,
This is the weekly update from the Search Platform team for the week
starting 2019-01-21 (acknowledging a little delay).

As always, feedback and questions welcome.

== Discussions ==

=== Search ===

* Trey did a write up about his ideas for the wrong keyboard
implementation and UI, and the new language models and parameter
optimization for TextCat for the wrong-keyboard and wrong-encoding
detection. [0]
* Trey also reviewed, updated and manually re-built the Hebmorph
plugin for ElasticSearch 6 with help from the rest of the Search team
[1]
* David double checked that chi to psi/omega indices are no longer
used and delete them. [2]
* David also worked on dropping the "archive" type in the general index [3]
* David wrapped up on moving the phrase suggest related code to its
FallbackMethod [4]
* Erik worked on modifying Wikidata entity completion search for
per-language tuning parameters [5]
* Erik also worked on a bug where we didn't retain cross-cluster
identifier in OtherIndexes [6]
* Erik fulfilled a feature request to add chronological sorting
by-page-creation-timestamp for search results [7]
* David also upgraded the Elasticsearch plugins extra, extra-analysis
and highlighter to elasticsearch 6.5.4 [8]
* Stas is working on separating ElasticSearch parts of Wikibase into a
separate extension [9]

[0] [https://www.mediawiki.org/wiki/User:TJones_(WMF)/Notes/Implementation_Design_and_Parameter_Optimization_for_Wrong_Keyboard_Detection_and_Suggestion
[1] https://phabricator.wikimedia.org/T214439
[2] https://phabricator.wikimedia.org/T214052
[3] https://phabricator.wikimedia.org/T200198
[4] https://phabricator.wikimedia.org/T213098
[5] https://phabricator.wikimedia.org/T213106
[6] https://phabricator.wikimedia.org/T214050
[7] https://phabricator.wikimedia.org/T195071
[8] https://phabricator.wikimedia.org/T214312
[9] https://phabricator.wikimedia.org/T190022

----

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[1] https://phabricator.wikimedia.org/maniphest/query/qW51XhCCd8.7/#R
[2] https://phabricator.wikimedia.org/maniphest/query/5KEPuEJh9TPS/#R

Yours,
Chris Koerner (he/him)
Community Relations Specialist
Wikimedia Foundation

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