diff --git a/CHANGELOG.md b/CHANGELOG.md
index ff63c14..25542aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,20 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
 
+## [1.1.0] - 2021-09-19
+### Added
+- Collapse missing value default attribute in `removeRedundantAttributes` [#158].
+- New `normalizeAttributeValues` module to normalize casing of attribute values [#163].
+- Custom matcher for `removeComments` [#156].
+
+### Changed
+- Remove more empty attributes in `removeEmptyAttributes` [#161].
+- Enhance collapse whitespace in `collapseWhitespace` [#145].
+- `minifyJs` and `minifyUrls` enhancement [#159].
+- Enhance attribute collapse whitespace in `collapseAttributeWhitespace` [#157].
+
+
+
 ## [1.0.1] - 2021-09-11
 ### Added
 - Support of [@novaatwarren/uncss](https://github.com/novaatwarren/uncss) fork [#154]
@@ -205,6 +219,7 @@ Otherwise, you have to adapt the config according to the new [PurgeCSS@3](https:
 - Remove attributes that contains only white spaces.
 
 
+[1.1.0]: https://github.com/posthtml/htmlnano/compare/1.0.1...1.1.0
 [1.0.1]: https://github.com/posthtml/htmlnano/compare/1.0.0...1.0.1
 [1.0.0]: https://github.com/posthtml/htmlnano/compare/0.2.9...1.0.0
 [0.2.9]: https://github.com/posthtml/htmlnano/compare/0.2.8...0.2.9
@@ -228,8 +243,15 @@ Otherwise, you have to adapt the config according to the new [PurgeCSS@3](https:
 [0.1.2]: https://github.com/posthtml/htmlnano/compare/0.1.1...0.1.2
 [0.1.1]: https://github.com/posthtml/htmlnano/compare/0.1.0...0.1.1
 
+[#163]: https://github.com/posthtml/htmlnano/issues/163
+[#161]: https://github.com/posthtml/htmlnano/issues/161
+[#159]: https://github.com/posthtml/htmlnano/issues/159
+[#158]: https://github.com/posthtml/htmlnano/issues/158
+[#157]: https://github.com/posthtml/htmlnano/issues/157
+[#156]: https://github.com/posthtml/htmlnano/issues/156
 [#154]: https://github.com/posthtml/htmlnano/issues/154
 [#153]: https://github.com/posthtml/htmlnano/issues/153
+[#145]: https://github.com/posthtml/htmlnano/issues/145
 [#135]: https://github.com/posthtml/htmlnano/issues/135
 [#129]: https://github.com/posthtml/htmlnano/issues/129
 [#125]: https://github.com/posthtml/htmlnano/issues/125
@@ -243,10 +265,10 @@ Otherwise, you have to adapt the config according to the new [PurgeCSS@3](https:
 [#112]: https://github.com/posthtml/htmlnano/issues/112
 [#111]: https://github.com/posthtml/htmlnano/issues/111
 [#110]: https://github.com/posthtml/htmlnano/issues/110
-[#107]: https://github.com/posthtml/htmlnano/issues/107
 [#108]: https://github.com/posthtml/htmlnano/issues/108
-[#102]: https://github.com/posthtml/htmlnano/issues/102
+[#107]: https://github.com/posthtml/htmlnano/issues/107
 [#104]: https://github.com/posthtml/htmlnano/issues/104
+[#102]: https://github.com/posthtml/htmlnano/issues/102
 [#98]: https://github.com/posthtml/htmlnano/issues/98
 [#95]: https://github.com/posthtml/htmlnano/issues/95
 [#94]: https://github.com/posthtml/htmlnano/issues/94
diff --git a/docs/versioned_docs/version-1.0.1/010-introduction.md b/docs/versioned_docs/version-1.1.0/010-introduction.md
similarity index 100%
rename from docs/versioned_docs/version-1.0.1/010-introduction.md
rename to docs/versioned_docs/version-1.1.0/010-introduction.md
diff --git a/docs/versioned_docs/version-1.0.1/020-usage.md b/docs/versioned_docs/version-1.1.0/020-usage.md
similarity index 100%
rename from docs/versioned_docs/version-1.0.1/020-usage.md
rename to docs/versioned_docs/version-1.1.0/020-usage.md
diff --git a/docs/versioned_docs/version-1.0.1/030-config.md b/docs/versioned_docs/version-1.1.0/030-config.md
similarity index 100%
rename from docs/versioned_docs/version-1.0.1/030-config.md
rename to docs/versioned_docs/version-1.1.0/030-config.md
diff --git a/docs/versioned_docs/version-1.0.1/040-presets.md b/docs/versioned_docs/version-1.1.0/040-presets.md
similarity index 100%
rename from docs/versioned_docs/version-1.0.1/040-presets.md
rename to docs/versioned_docs/version-1.1.0/040-presets.md
diff --git a/docs/versioned_docs/version-1.0.1/050-modules.md b/docs/versioned_docs/version-1.1.0/050-modules.md
similarity index 90%
rename from docs/versioned_docs/version-1.0.1/050-modules.md
rename to docs/versioned_docs/version-1.1.0/050-modules.md
index e402b1b..d48d8cd 100644
--- a/docs/versioned_docs/version-1.0.1/050-modules.md
+++ b/docs/versioned_docs/version-1.1.0/050-modules.md
@@ -10,12 +10,12 @@ Collapse redundant white spaces in list-like attributes (`class`, `rel`, `ping`)
 #### Example
 Source:
 ```html
-<div class=" content  page  "></div>
+<a class=" content  page  " style="  display: block;    " href="   https://example.com"></a>
 ```
 
 Minified:
 ```html
-<div class="content page"></div>
+<a class="content page" style="display: block;" href="https://example.com"></a>
 ```
 
 
@@ -80,18 +80,68 @@ Minified:
 #### Options
 - `safe` – removes all HTML comments except the conditional comments and  [`<!--noindex--><!--/noindex-->`](https://yandex.com/support/webmaster/controlling-robot/html.xml) (default)
 - `all` — removes all HTML comments
+- A `RegExp` — only HTML comments matching the given regexp will be removed.
+- A `Function` that returns boolean — removes HTML comments that can make the given callback function returns truthy value.
 
 #### Example
+
 Source:
+
+```js
+{
+    removeComments: 'all'
+}
+```
+
 ```html
 <div><!-- test --></div>
 ```
 
 Minified:
+
 ```html
 <div></div>
 ```
 
+Source:
+
+```js
+{
+    removeComments: /<!--(\/)?noindex-->/
+}
+```
+
+```html
+<div><!--noindex-->this text will not be indexed<!--/noindex-->Lorem ipsum dolor sit amet<!--more-->Lorem ipsum dolor sit amet</div>
+```
+
+Minified:
+
+```html
+<div>this text will not be indexedLorem ipsum dolor sit amet<!--more-->Lorem ipsum dolor sit amet</div>
+```
+
+Source:
+
+```js
+{
+    removeComments: (comments) => {
+        if (comments.includes('noindex')) return true;
+        return false;
+    }
+}
+```
+
+```html
+<div><!--noindex-->this text will not be indexed<!--/noindex-->Lorem ipsum dolor sit amet<!--more-->Lorem ipsum dolor sit amet</div>
+```
+
+Minified:
+
+```html
+<div>this text will not be indexedLorem ipsum dolor sit amet<!--more-->Lorem ipsum dolor sit amet</div>
+```
+
 
 ### removeEmptyAttributes
 Removes empty [safe-to-remove](https://github.com/posthtml/htmlnano/blob/master/lib/modules/removeEmptyAttributes.es6) attributes.
@@ -713,3 +763,24 @@ Due to [the limitation of PostHTML](https://github.com/posthtml/htmlnano/issues/
 - `body`
 - `colgroup`
 - `tbody`
+
+### normalizeAttributeValues
+
+Normalize casing of attribute values.
+
+The module won't impact the plain-text size of the output. However it will improve the compression ratio of gzip/brotli used in HTTP compression.
+
+#### Example
+
+Source:
+
+```html
+<form method="GET"></form>
+```
+
+Minified:
+
+```html
+<form method="get"></form>
+```
+
diff --git a/docs/versioned_docs/version-1.0.1/060-contribute.md b/docs/versioned_docs/version-1.1.0/060-contribute.md
similarity index 100%
rename from docs/versioned_docs/version-1.0.1/060-contribute.md
rename to docs/versioned_docs/version-1.1.0/060-contribute.md
diff --git a/docs/versioned_sidebars/version-1.0.1-sidebars.json b/docs/versioned_sidebars/version-1.1.0-sidebars.json
similarity index 66%
rename from docs/versioned_sidebars/version-1.0.1-sidebars.json
rename to docs/versioned_sidebars/version-1.1.0-sidebars.json
index f04a3d5..476ebb0 100644
--- a/docs/versioned_sidebars/version-1.0.1-sidebars.json
+++ b/docs/versioned_sidebars/version-1.1.0-sidebars.json
@@ -1,5 +1,5 @@
 {
-  "version-1.0.1/tutorialSidebar": [
+  "version-1.1.0/tutorialSidebar": [
     {
       "type": "autogenerated",
       "dirName": "."
diff --git a/docs/versions.json b/docs/versions.json
index 4b781f5..c5854aa 100644
--- a/docs/versions.json
+++ b/docs/versions.json
@@ -1,3 +1,3 @@
 [
-  "1.0.1"
+  "1.1.0"
 ]
diff --git a/package.json b/package.json
index b4efde7..6d769ce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "htmlnano",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "Modular HTML minifier, built on top of the PostHTML",
   "main": "index.js",
   "author": "Kirill Maltsev <maltsevkirill@gmail.com>",