As the discussion, zhwiki request new namespace named "WikiProject:" as ns:102 and "WikiProject talk:" as ns:103 (for talk namespace).
for "WikiProject:" namespace
- prefix: "WikiProject:" (default alias)
- id: ns:102
- UI display (MediaWiki:Nstab-wikiproject): "維基專題:" for traditional Chinese (zh-Hant & zh-TW & zh-HK & zh-MO) and "维基专题:" for simplified Chinese (zh-Hans & zh-CN & zh-SG & zh-MY)
- Alias: 專題, 专题, 維基專題, 维基专题, PJ, WPJ.
for "WikiProject talk:" namespace
- prefix: "WikiProject talk:" (default alias)
- id: ns:103
- UI display: "維基專題討論:" for traditional Chinese (zh-Hant & zh-TW & zh-HK & zh-MO) and "维基专题讨论:" for simplified Chinese (zh-Hans & zh-CN & zh-SG & zh-MY)
- Alias: 專題討論, 专题讨论, 專題對話, 专题对话, 維基專題討論, 维基专题讨论, 維基專題對話, 维基专题对话, PJT, WPJT.
They'll be used for WikiProject's pages.
Local discussions on w:zh:Wikipedia:互助客栈/方针#專題命名空間 ( Special:Diff/63843017#WikiProject Namespace ).
Thank you.