Update devDependencies and gems.

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 group :development, :test do
   gem 'jekyll', '~> 3.8.6'
-  gem 'jekyll-redirect-from', '~> 0.15.0'
+  gem 'jekyll-redirect-from', '~> 0.16.0'
   gem 'jekyll-sitemap', '~> 1.4.0'
   gem 'jekyll-toc', '~> 0.11.0'
   gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?

Gemfile.lock

@@ -4,14 +4,14 @@ GEM
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.6)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.11.3)
-    ffi (1.11.3-x64-mingw32)
+    ffi (1.12.2)
+    ffi (1.12.2-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (0.9.5)
@@ -29,7 +29,7 @@ GEM
       pathutil (~> 0.9)
       rouge (>= 1.7, < 4)
       safe_yaml (~> 1.0)
-    jekyll-redirect-from (0.15.0)
+    jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
@@ -46,17 +46,17 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
     mini_portile2 (2.4.0)
-    nokogiri (1.10.7)
+    nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.7-x64-mingw32)
+    nokogiri (1.10.8-x64-mingw32)
       mini_portile2 (~> 2.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.2)
+    public_suffix (4.0.3)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (3.14.0)
+    rouge (3.16.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -71,7 +71,7 @@ PLATFORMS
 
 DEPENDENCIES
   jekyll (~> 3.8.6)
-  jekyll-redirect-from (~> 0.15.0)
+  jekyll-redirect-from (~> 0.16.0)
   jekyll-sitemap (~> 1.4.0)
   jekyll-toc (~> 0.11.0)
   wdm (~> 0.1.1)

_config.yml

@@ -24,6 +24,9 @@ plugins:
   - jekyll-sitemap
   - jekyll-toc
 
+redirect_from:
+  json: false
+
 # Social
 title:              Bootstrap
 description:        "The most popular HTML, CSS, and JS library in the world."

package.json

@@ -72,7 +72,7 @@
     "docs-lint": "node build/vnu-jar.js",
     "docs-serve": "bundle exec jekyll serve",
     "docs-serve-only": "npm run docs-serve -- --skip-initial-build --no-watch",
-    "update-deps": "ncu -u -x \"babel-plugin-istanbul,cross-env,eslint,find-unused-sass-variables,jquery,karma,karma-browserstack-launcher,karma-qunit,nodemon,qunit,rollup,sinon,stylelint,stylelint-config-twbs-bootstrap\" && npm update && bundle update && cross-env-shell echo Manually update \\\"site/docs/$npm_package_version_short/assets/js/vendor/\\\"",
+    "update-deps": "ncu -u -x \"babel-plugin-istanbul,cross-env,eslint,find-unused-sass-variables,jquery,karma,karma-browserstack-launcher,karma-qunit,nodemon,postcss-cli,qunit,rollup,sinon,stylelint,stylelint-config-twbs-bootstrap\" && npm update && bundle update && cross-env-shell echo Manually update \\\"site/docs/$npm_package_version_short/assets/js/vendor/\\\"",
     "release": "npm-run-all dist release-sri release-zip docs-production",
     "release-sri": "node build/generate-sri.js",
     "release-version": "node build/change-version.js",
@@ -107,11 +107,11 @@
     "popper.js": "^1.16.0"
   },
   "devDependencies": {
-    "@babel/cli": "^7.7.7",
-    "@babel/core": "^7.7.7",
-    "@babel/plugin-proposal-object-rest-spread": "^7.7.7",
-    "@babel/preset-env": "^7.7.7",
-    "autoprefixer": "^9.7.3",
+    "@babel/cli": "^7.8.4",
+    "@babel/core": "^7.8.4",
+    "@babel/plugin-proposal-object-rest-spread": "^7.8.3",
+    "@babel/preset-env": "^7.8.4",
+    "autoprefixer": "^9.7.4",
     "babel-eslint": "^10.0.3",
     "babel-plugin-istanbul": "^5.2.0",
     "broken-link-checker": "^0.7.8",
@@ -122,7 +122,7 @@
     "find-unused-sass-variables": "^0.6.0",
     "glob": "^7.1.6",
     "hammer-simulator": "0.0.1",
-    "http-server": "^0.12.0",
+    "http-server": "^0.12.1",
     "ip": "^1.1.5",
     "jquery": "^3.4.1",
     "karma": "^3.1.4",
@@ -130,10 +130,10 @@
     "karma-chrome-launcher": "^3.1.0",
     "karma-coverage-istanbul-reporter": "^2.1.1",
     "karma-detect-browsers": "^2.3.3",
-    "karma-firefox-launcher": "^1.2.0",
+    "karma-firefox-launcher": "^1.3.0",
     "karma-qunit": "^3.1.3",
     "karma-sinon": "^1.0.5",
-    "node-sass": "^4.13.0",
+    "node-sass": "^4.13.1",
     "nodemon": "^1.19.4",
     "npm-run-all": "^4.1.5",
     "popper.js": "^1.16.0",
@@ -148,8 +148,8 @@
     "sinon": "^7.5.0",
     "stylelint": "^9.10.1",
     "stylelint-config-twbs-bootstrap": "^0.5.0",
-    "uglify-js": "^3.7.3",
-    "vnu-jar": "19.9.4"
+    "uglify-js": "^3.7.7",
+    "vnu-jar": "20.1.2"
   },
   "engines": {
     "node": ">=6"