From ba3fb3c98f170636e36dd34c949d63f2e1113f67 Mon Sep 17 00:00:00 2001 From: Mark Otto Date: Thu, 29 Jun 2017 21:00:57 -0700 Subject: [PATCH] narrow browser support in postcss --- build/postcss.config.js | 17 ++++------------- 1 file changed, 4 insertions(+), 13 deletions(-) diff --git a/build/postcss.config.js b/build/postcss.config.js index e811f44be6..21d8920d5f 100644 --- a/build/postcss.config.js +++ b/build/postcss.config.js @@ -11,16 +11,8 @@ module.exports = (ctx) => ({ // Official browser support policy: // https://v4-alpha.getbootstrap.com/getting-started/browsers-devices/#supported-browsers // - 'Chrome >= 35', // Exact version number here is kinda arbitrary - // Rather than using Autoprefixer's native "Firefox ESR" version specifier string, - // we deliberately hardcode the number. This is to avoid unwittingly severely breaking the previous ESR in the event that: - // (a) we happen to ship a new Bootstrap release soon after the release of a new ESR, - // such that folks haven't yet had a reasonable amount of time to upgrade; and - // (b) the new ESR has unprefixed CSS properties/values whose absence would severely break webpages - // (e.g. `box-sizing`, as opposed to `background: linear-gradient(...)`). - // Since they've been unprefixed, Autoprefixer will stop prefixing them, - // thus causing them to not work in the previous ESR (where the prefixes were required). - 'Firefox >= 38', // Current Firefox Extended Support Release (ESR); https://www.mozilla.org/en-US/firefox/organizations/faq/ + 'Chrome >= 45', // Exact version number here is kinda arbitrary + 'Firefox ESR', // Note: Edge versions in Autoprefixer & Can I Use refer to the EdgeHTML rendering engine version, // NOT the Edge app version shown in Edge's "About" screen. // For example, at the time of writing, Edge 20 on an up-to-date system uses EdgeHTML 12. @@ -29,10 +21,9 @@ module.exports = (ctx) => ({ 'Explorer >= 10', // Out of leniency, we prefix these 1 version further back than the official policy. 'iOS >= 8', - 'Safari >= 8', + 'Safari >= 9', // The following remain NOT officially supported, but we're lenient and include their prefixes to avoid severely breaking in them. - 'Android 2.3', - 'Android >= 4', + 'Android >= 4.4', 'Opera >= 12' ] } -- 2.47.2