Changes in 20210607094749

Built from 24938c537a55f9db3913072d33b178b210e7d6b5

..index..
Bug 1689379 R[Core:Graphics: Text]Crash in [@ shutdownhang | (anonymous namespace)::TrueTypeFontMetricsBuilder::GetBlackBox]
Bug 1714897 R[Core:Graphics: WebRender]Fix glxtest EGL code path on amdgpu
Bug 1714884 R[Core:Layout]Convert some things to strongly typed units
Bug 1714282 R[Core:Layout: Text and Fonts]Shared font list doesn't deal correctly with bitmap fonts (was: Bitmap system font only shows at smallest available size in Firefox 89)
Bug 1682030 R[Core:Plug-ins]Mass removal of NPAPI plugin code
Bug 1594274 R[Firefox:General]Intermittent macOS browser/base/content/test/performance/browser_tabopen.js | unexpected changed rect: ({x1:564, x2:564, y1:15, y2:16, w:1, h:2}), window width: 1280 -
Bug 1713354 R[GeckoView:General][Bug] Typing an email to sign into Firefox Sync removes what you typed
Bug 1714434 A[www.mozilla.org:Pages & Content]Update the "Contribute to the Mozilla codebase" link in the "volunteer oportunities" page
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Changes to 8 bugs - 6 fixed.