Global templates

Several proposals to make templates shareable across wiki instances over the years. Here's a list of relevant pages:

• Gathering support from local projects for global templates (active 2021)
• mw:Requests for comment/Shadow namespaces
• Requests_for_comment/Global_bits_and_pieces
• Global templates (on mediawiki.org, since 2019, actively discussed)
• Which templates should be global? (discussion, mostly in 2017, with occasional additions later)
• Global-Wiki (discussion between 2013 and 2017; closed)
• Multilingual Templates and Modules (on mediawiki.org; implemented as a bot, but currently inactive)
• Wikitemplates (discussed in 2017, not currently active)
• Template repository (on mediawiki.org; proposed in 2008, not currently active)
• Abstract Wikipedia, also known as Wikifunctions — a distinct, but somewhat comparable project in active development
• Global templates (alternative concept) — a person idea concept of Dušan Kreheľ.
• Template duplication (abandoned since 2005)