836758 - Convert Panorama into an add-on

Panorama has a very small user base and there's basically no chance that we will enable it by default or even improve its visibility and discoverability anytime soon. In its current form it is indeed quite fragile and causes intermittent test failures here and there when touching platform code. We're not going to spending any time on improving Panorama and its feature or its design and UX - thus i

[AmaiSaeta]

FirefoxからPanorama削除、同等機能をアドオンとして提供する事に。

[Rockridge]

PanoramaはFirefox本体のコードベースから削除される見通し。ただし今後も同一機能のアドオンが提供され、既存のPanoramaユーザーはこれが自動的にインストールされる計画だ。

[teramako]

さてはて、どうしたものか。