diff --git a/.editorconfig b/.editorconfig
index b73dd195a..90aa6e045 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -8,6 +8,9 @@ end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
 
+[*.md]
+indent_size = unset
+
 [*.{html,js,md}]
 block_comment_start = /**
 block_comment = *
diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 000000000..df0c79855
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,8 @@
+{
+  "line-length": {
+    "line_length": -1
+  },
+  "no-trailing-punctuation": {
+    "punctuation": ".,;:!。，；：！"
+  }
+}
diff --git a/.prettierignore b/.prettierignore
index 404abb221..c883a29ae 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1 +1,2 @@
 coverage/
+CHANGELOG.md
diff --git a/package.json b/package.json
index 3aabf448a..7e5f1c4ad 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "husky": "^1.0.0",
     "lerna": "3.4.3",
     "lint-staged": "^8.0.0",
+    "markdownlint-cli": "^0.17.0",
     "npm-run-all": "^4.1.5",
     "sinon": "^7.2.2",
     "webpack-merge": "^4.1.5",
@@ -46,9 +47,10 @@
     "lint:eclint": "git ls-files | xargs eclint check",
     "lint:eslint": "eslint --ext .js,.html .",
     "lint:prettier": "prettier \"**/*.js\" --list-different || (echo '↑↑ these files are not prettier formatted ↑↑' && exit 1)",
+    "lint:markdownlint": "git ls-files '*.md' | xargs markdownlint --ignore '**/CHANGELOG.md'",
     "format": "npm run format:eslint && npm run format:prettier",
     "format:eslint": "eslint --ext .js,.html . --fix",
-    "format:prettier": "prettier \"**/*.js\" --write"
+    "format:prettier": "prettier \"**/*.{js,md}\" --write"
   },
   "lint-staged": {
     "*": [
@@ -60,6 +62,11 @@
       "prettier --write",
       "git add"
     ],
+    "*.md": [
+      "prettier --write",
+      "markdownlint",
+      "git add"
+    ],
     "yarn.lock": [
       "node ./scripts/yarn-lock-scan.js"
     ]
diff --git a/yarn.lock b/yarn.lock
index 8de005010..c1e02179c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4494,6 +4494,13 @@ commander@~2.19.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
   integrity sha512-6tvAOO+D6OENvRAh524Dh9jcfKTYDQAqvqezbCW82xj5X0pSrcpxtvRKHLG0yBY6SD7PSDrJaj+0AiOcKVd1Xg==
 
+commander@~2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
+  integrity sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=
+  dependencies:
+    graceful-readlink ">= 1.0.0"
+
 common-tags@^1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/common-tags/-/common-tags-1.8.0.tgz#8e3153e542d4a39e9b10554434afaaf98956a937"
@@ -5086,6 +5093,11 @@ deep-extend@^0.6.0:
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.6.0.tgz#c4fa7c95404a17a9c3e8ca7e1537312b736330ac"
   integrity sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==
 
+deep-extend@~0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.5.1.tgz#b894a9dd90d3023fbf1c55a394fb858eb2066f1f"
+  integrity sha512-N8vBdOa+DF7zkRrDCsaOXoCs/E2fJfx9B9MrKnnSiHNh4ws7eSys6YQE4KvT1cecKmOASYQBhbKjeuDD9lT81w==
+
 deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
@@ -5592,7 +5604,7 @@ ent@~2.2.0:
   resolved "https://registry.yarnpkg.com/ent/-/ent-2.2.0.tgz#e964219325a21d05f44466a2f686ed6ce5f5dd1d"
   integrity sha1-6WQhkyWiHQX0RGai9obtbOX13R0=
 
-entities@^1.1.1:
+entities@^1.1.1, entities@~1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
   integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
@@ -6537,6 +6549,11 @@ get-stdin@^6.0.0:
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
   integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
 
+get-stdin@~5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+  integrity sha1-Ei4WFZHiH/TFJTAwVpPyDmOTo5g=
+
 get-stream@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
@@ -6669,7 +6686,7 @@ glob@7.1.2:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@~7.1.2:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
@@ -6767,6 +6784,11 @@ graceful-fs@^4.0.0, graceful-fs@^4.1.11, graceful-fs@^4.1.15, graceful-fs@^4.1.2
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.0.tgz#8d8fdc73977cb04104721cb53666c1ca64cd328b"
   integrity sha512-jpSvDPV4Cq/bgtpndIWbI5hmYxhQGHPC4d4cqBPb4DLniCfhJokdXhwhaDuLBGLQdvvRum/UiX6ECVIPvDXqdg==
 
+"graceful-readlink@>= 1.0.0":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
+  integrity sha1-TK+tdrxi8C+gObL5Tpo906ORpyU=
+
 growl@1.10.5:
   version "1.10.5"
   resolved "https://registry.yarnpkg.com/growl/-/growl-1.10.5.tgz#f2735dc2283674fa67478b10181059355c369e5e"
@@ -8370,6 +8392,13 @@ linez@^4.1.4:
     buffer-equals "^1.0.4"
     iconv-lite "^0.4.15"
 
+linkify-it@^2.0.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/linkify-it/-/linkify-it-2.2.0.tgz#e3b54697e78bf915c70a38acd78fd09e0058b1cf"
+  integrity sha512-GnAl/knGn+i1U/wjBz3akz2stz+HrHLsxMwHQGofCDfPvlf+gDKN58UtfmUquTY4/MXeE2x7k19KQmeoZi94Iw==
+  dependencies:
+    uc.micro "^1.0.1"
+
 lint-staged@^8.0.0:
   version "8.2.1"
   resolved "https://registry.yarnpkg.com/lint-staged/-/lint-staged-8.2.1.tgz#752fcf222d9d28f323a3b80f1e668f3654ff221f"
@@ -8537,6 +8566,16 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
+lodash.differencewith@~4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.differencewith/-/lodash.differencewith-4.5.0.tgz#bafafbc918b55154e179176a00bb0aefaac854b7"
+  integrity sha1-uvr7yRi1UVTheRdqALsK76rIVLc=
+
+lodash.flatten@~4.4.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+  integrity sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=
+
 lodash.get@^4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
@@ -8790,6 +8829,17 @@ markdown-escapes@^1.0.0:
   resolved "https://registry.yarnpkg.com/markdown-escapes/-/markdown-escapes-1.0.3.tgz#6155e10416efaafab665d466ce598216375195f5"
   integrity sha512-XUi5HJhhV5R74k8/0H2oCbCiYf/u4cO/rX8tnGkRvrqhsr5BRNU6Mg0yt/8UIx1iIS8220BNJsDb7XnILhLepw==
 
+markdown-it@8.4.2:
+  version "8.4.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-8.4.2.tgz#386f98998dc15a37722aa7722084f4020bdd9b54"
+  integrity sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==
+  dependencies:
+    argparse "^1.0.7"
+    entities "~1.1.1"
+    linkify-it "^2.0.0"
+    mdurl "^1.0.1"
+    uc.micro "^1.0.5"
+
 markdown-to-jsx@^6.9.1:
   version "6.10.2"
   resolved "https://registry.yarnpkg.com/markdown-to-jsx/-/markdown-to-jsx-6.10.2.tgz#644f602b81d088f10aef1c3674874876146cf38b"
@@ -8798,6 +8848,29 @@ markdown-to-jsx@^6.9.1:
     prop-types "^15.6.2"
     unquote "^1.1.0"
 
+markdownlint-cli@^0.17.0:
+  version "0.17.0"
+  resolved "https://registry.yarnpkg.com/markdownlint-cli/-/markdownlint-cli-0.17.0.tgz#f5e483a576bf56cca29b057216241a54d33e4d95"
+  integrity sha512-/MInVAuNUDGj5lWeAweL2s4Wk0BY2UqOUcOuOMhY62LXmQZU9qZiFJ5XgHrAZVMggFH/vPupCiUiAMFgGIOqHg==
+  dependencies:
+    commander "~2.9.0"
+    deep-extend "~0.5.1"
+    get-stdin "~5.0.1"
+    glob "~7.1.2"
+    js-yaml "^3.13.1"
+    lodash.differencewith "~4.5.0"
+    lodash.flatten "~4.4.0"
+    markdownlint "~0.15.0"
+    minimatch "~3.0.4"
+    rc "~1.2.7"
+
+markdownlint@~0.15.0:
+  version "0.15.0"
+  resolved "https://registry.yarnpkg.com/markdownlint/-/markdownlint-0.15.0.tgz#14837354f01fe15bc06dfd5dd38247b79bd4c8f2"
+  integrity sha512-sNcrSrUgpNbTQX6rPIMd+RI9rAryGTEbDI9VFpcFyijlC5g8gpkma49k5p98yFLdNbdcB3VW69UJ0smxvTVw6g==
+  dependencies:
+    markdown-it "8.4.2"
+
 matcher@^1.0.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/matcher/-/matcher-1.1.1.tgz#51d8301e138f840982b338b116bb0c09af62c1c2"
@@ -8819,6 +8892,11 @@ md5.js@^1.3.4:
     inherits "^2.0.1"
     safe-buffer "^5.1.2"
 
+mdurl@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/mdurl/-/mdurl-1.0.1.tgz#fe85b2ec75a59037f2adfec100fd6c601761152e"
+  integrity sha1-/oWy7HWlkDfyrf7BAP1sYBdhFS4=
+
 media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
@@ -9010,7 +9088,7 @@ minimatch@3.0.3:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
+minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4, minimatch@~3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -10573,7 +10651,7 @@ raw-loader@^1.0.0:
     loader-utils "^1.1.0"
     schema-utils "^1.0.0"
 
-rc@^1.2.7:
+rc@^1.2.7, rc@~1.2.7:
   version "1.2.8"
   resolved "https://registry.yarnpkg.com/rc/-/rc-1.2.8.tgz#cd924bf5200a075b83c188cd6b9e211b7fc0d3ed"
   integrity sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==
@@ -12628,6 +12706,11 @@ ua-parser-js@^0.7.18:
   resolved "https://registry.yarnpkg.com/ua-parser-js/-/ua-parser-js-0.7.20.tgz#7527178b82f6a62a0f243d1f94fd30e3e3c21098"
   integrity sha512-8OaIKfzL5cpx8eCMAhhvTlft8GYF8b2eQr6JkCyVdrgjcytyOmPCXrqXFcUnhonRpLlh5yxEZVohm6mzaowUOw==
 
+uc.micro@^1.0.1, uc.micro@^1.0.5:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/uc.micro/-/uc.micro-1.0.6.tgz#9c411a802a409a91fc6cf74081baba34b24499ac"
+  integrity sha512-8Y75pvTYkLJW2hWQHXxoqRgV7qb9B+9vFEtidML+7koHUFapnVJAZ6cKs+Qjz5Aw3aZWHMC6u0wJE3At+nSGwA==
+
 uglify-js@3.4.x:
   version "3.4.10"
   resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.10.tgz#9ad9563d8eb3acdfb8d38597d2af1d815f6a755f"