[api-major] Update the minimum supported browsers/environments #15451
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In the
legacy
-builds we (obviously) support the currently maintained Firefox ESR version, and looking at the release history those are officially supported (by Mozilla) for about 1-1.5 years. However, for non-Firefox browsers thelegacy
-builds currently attempt to "support" browsers that are approximately three years old.[1] Historically, in the PDF.js project, trying to support old browsers have caused some maintenance problems and even delayed adoption of new web-platform features/functionality.To lessen the support burden, given that the primary purpose of the PDF.js library is still to develop the built-in Firefox PDF Viewer, this patch proposes that the upcoming major release changes the minimum supported browsers/environments as follows:
[1] In older browsers some functionality may not be available and generally we'll ask users to update to a modern browser when bugs, specific to old browsers, are being reported.