In order to add labels to Wikidata entities in Arabic dialects using QuickStatements, we have to let them supported by Mediawiki:
# [[https://www.wikidata.org/wiki/Q22809485|North Levantine Arabic (apc)]]
# [[https://www.wikidata.org/wiki/Q55633582|South Levantine Arabic (ajp)]]
# [[https://www.wikidata.org/wiki/Q56385|Gulf Arabic (afb)]]
# [[https://www.wikidata.org/wiki/Q56608|Hejazi Arabic (acw)]]
* [[https://www.wikidata.org/wiki/Q56574|Najdi Arabic (ars)]]
* [[https://www.wikidata.org/wiki/Q3510366|Hadhrami Arabic (ayh)]]
* [[https://www.wikidata.org/wiki/Q56578|Sanaani Arabic (ayn)]]
* [[https://www.wikidata.org/wiki/Q56579|Ta'izzi-Adeni Arabic (acq)]]
* [[https://www.wikidata.org/wiki/Q56232|Mesopotamian Arabic (acm)]]
* [[https://www.wikidata.org/wiki/Q56416|Cypriot Arabic (acy)]]
* ~~[[https://www.wikidata.org/wiki/Q29919|Egyptian Arabic (arz)]]~~
* [[https://www.wikidata.org/wiki/Q56714|Northwest Arabian Arabic (avl)]]
* [[https://www.wikidata.org/wiki/Q56573|Sudanese Arabic (apd)]]
* [[https://www.wikidata.org/wiki/Q56576|Bahrani Arabic (abv)]]
* [[https://www.wikidata.org/wiki/Q56503|Libyan Arabic (ayl)]]
* ~~[[https://www.wikidata.org/wiki/Q56240|Tunisian Arabic (aeb-arab)]]~~
* ~~[[https://www.wikidata.org/wiki/Q56499|Algerian Arabic (arq)]]~~
* ~~[[https://www.wikidata.org/wiki/Q56426|Moroccan Arabic (ary)]]~~
* [[https://www.wikidata.org/wiki/Q56231|Hassaniya Arabic (mea)]]
* [[https://www.wikidata.org/wiki/Q56725|Saharan Arabic (aao)]]
* [[https://www.wikidata.org/wiki/Q56497|Chadian Arabic (shu)]]
Please let them supported by Mediawiki.
----
Review in June 2021:
* Name in language: see T187344#3974830
* Geographical area where used, see T187344#3995915
* In the meantime, some may already be supported by MediaWiki and/or parts of Wikidata. This includes all languages with a Wikipedia (e.g. [[https://www.wikidata.org/wiki/Q97393767|Moroccan Arabic Wikipedia]]) or with the interface messages translated.
* If one or the other language code is needed (for labels/descriptions/aliases) or just monolingual string or lexemes, it might be worth creating a separate request.