A browser tab in Fenix / GeckoView is similar to a browser window in Desktop Firefox; each tab gets its own widget and compositor / renderer. A background tab in GeckoView is probably similar to minimized desktop browser window with a single tab in it. There are some things we can do in WebRender to work better in this environment. This bug tracks them. Note: Fenix currently does not place a limit on the number of loaded tabs at one time. When too many tabs are open, it crashes due to lack of memory, see https://github.com/mozilla-mobile/android-components/issues/5933.
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A browser tab in Fenix / GeckoView is similar to a browser window in Desktop Firefox; each tab gets its own widget and compositor / renderer. A background tab in GeckoView is probably similar to minimized desktop browser window with a single tab in it. There are some things we can do in WebRender to work better in this environment. This bug tracks them. Note: Fenix currently does not place a limit on the number of loaded tabs at one time. When too many tabs are open, Fenix crashes once it runs of memory, see https://github.com/mozilla-mobile/android-components/issues/5933.