# Discourse non viene renderizzato su gecko prima della versione 74

**URL:** <https://meta.discourse.org/t/discourse-does-not-render-on-gecko-before-version-74/193241>\
**Category:** Bug\
**Created:** [9 Giugno 2021, 4:55am UTC](https://meta.discourse.org/t/discourse-does-not-render-on-gecko-before-version-74/193241 "2021-06-09T04:55:18Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![RGJ](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/rgj/32/523185_2.png) [@RGJ](https://meta.discourse.org/u/RGJ)\
**Post date:** [9 Giugno 2021, 4:17pm UTC](https://meta.discourse.org/t/discourse-does-not-render-on-gecko-before-version-74/193241/13 "2021-06-09T16:17:39Z")

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> [@j.jaffeux](#):
>
> Di conseguenza, proposal-optional-chaining viene applicato con certezza.

Trovato. Solo `stable` è rotto. `proposal-optional-chaining` non viene applicato lì.

In `tests-passed` la modifica `?.` include la modifica `proposal-optional-chaining`: [DEV: Enable optional chaining in all contexts (#13180) · discourse/discourse@855e854 · GitHub](https://github.com/discourse/discourse/commit/855e854cb8501fdf4e84e3b0f45ad38bc755ae57#diff-0bede20282d81a4c18a423308c91c3f87bce2e4852c9b81605a57a13eeb63e9a)

mentre in `stable` è stata effettuata solo la modifica del codice con `?.`, ma le opzioni del transpiler non sono state adeguate: [UX: Add auto focus to hamburger and user menu dropdowns (#13165) · discourse/discourse@45dca79 · GitHub](https://github.com/discourse/discourse/commit/45dca791b0cdd61a46533db5c86480d97a6cb8de)

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