List of code bases that currently use the Wikibase CodeSniffer <0.3.0, and should be updated to at least 0.3.0, better 0.4.0, if possible:
[x] #ArticlePlaceholder https://gerrit.wikimedia.org/r/410258
[] #Cognate
[x] #MediaWiki-extensions-InterwikiSorting https://gerrit.wikimedia.org/r/410261
[] #PropertySuggester
[x] Wikibase https://gerrit.wikimedia.org/r/405735
[x] WikibaseLexeme https://gerrit.wikimedia.org/r/409859
[] WikibaseMediaInfo
[x] #Wikibase-Quality https://gerrit.wikimedia.org/r/409865
[x] #Wikibase-Quality-Constraints https://gerrit.wikimedia.org/r/409869
[x] #Wikibase-Quality-External-Validation https://gerrit.wikimedia.org/r/409861
[] #DataValues components:
** [] common
** [] data-values
** [] geo
** [] interfaces
** [] number https://github.com/DataValues/Number/pull/116
** [] serialization
** [] time
[] [serialization/serialization](https://github.com/wmde/Serialization)
[x] #wikibase-datamodel https://github.com/wmde/WikibaseDataModel/pull/773
[x] #wikibase-datamodel-serialization https://github.com/wmde/WikibaseDataModelSerialization/pull/242
[x] #wikibase-datamodel-services https://github.com/wmde/WikibaseDataModelServices/pull/192
[] #wikibase-internal-serialization