# Changelog
## 2.20.0 / 2023-04-01
### Features
* Allow SVG attributes `color-profile`, `cursor`, `filter`, `marker`, and `mask`. [[#246](https://github.com/flavorjones/loofah/issues/246)]
* Allow SVG elements `altGlyph`, `cursor`, `feImage`, `pattern`, and `tref`. [[#246](https://github.com/flavorjones/loofah/issues/246)]
* Allow protocols `fax` and `modem`. [[#255](https://github.com/flavorjones/loofah/issues/255)] (Thanks, [@cjba7](https://github.com/cjba7)!)
## 2.19.1 / 2022-12-13
### Security
* Address CVE-2022-23514, inefficient regular expression complexity. See [GHSA-486f-hjj9-9vhh](https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh) for more information.
* Address CVE-2022-23515, improper neutralization of data URIs. See [GHSA-228g-948r-83gx](https://github.com/flavorjones/loofah/security/advisories/GHSA-228g-948r-83gx) for more information.
* Address CVE-2022-23516, uncontrolled recursion. See [GHSA-3x8r-x6xp-q4vm](https://github.com/flavorjones/loofah/security/advisories/GHSA-3x8r-x6xp-q4vm) for more information.
## 2.19.0 / 2022-09-14
### Features
* Allow SVG 1.0 color keyword names in CSS attributes. These colors are part of the [CSS Color Module Level 3](https://www.w3.org/TR/css-color-3/#svg-color) recommendation released 2022-01-18. [[#243](https://github.com/flavorjones/loofah/issues/243)]
## 2.18.0 / 2022-05-11
### Features
* Allow CSS property `aspect-ratio`. [[#236](https://github.com/flavorjones/loofah/issues/236)] (Thanks, [@louim](https://github.com/louim)!)
## 2.17.0 / 2022-04-28
### Features
* Allow ARIA attributes. [[#232](https://github.com/flavorjones/loofah/issues/232), [#233](https://github.com/flavorjones/loofah/issues/233)] (Thanks, [@nick-desteffen](https://github.com/nick-desteffen)!)
## 2.16.0 / 2022-04-01
### Features
* Allow MathML elements `menclose` and `ms`, and MathML attributes `dir`, `href`, `lquote`, `mathsize`, `notation`, and `rquote`. [[#231](https://github.com/flavorjones/loofah/issues/231)] (Thanks, [@nick-desteffen](https://github.com/nick-desteffen)!)
## 2.15.0 / 2022-03-14
### Features
* Expand set of allowed protocols to include `sms:`. [[#228](https://github.com/flavorjones/loofah/issues/228)] (Thanks, [@brendon](https://github.com/brendon)!)
## 2.14.0 / 2022-02-11
### Features
* The `#to_text` method on `Loofah::HTML::{Document,DocumentFragment}` replaces `
` line break elements with a newline. [[#225](https://github.com/flavorjones/loofah/issues/225)]
## 2.13.0 / 2021-12-10
### Bug fixes
* Loofah::HTML::DocumentFragment#text no longer serializes top-level comment children. [[#221](https://github.com/flavorjones/loofah/issues/221)]
## 2.12.0 / 2021-08-11
### Features
* Support empty HTML5 data attributes. [[#215](https://github.com/flavorjones/loofah/issues/215)]
## 2.11.0 / 2021-07-31
### Features
* Allow HTML5 element `wbr`.
* Allow all CSS property values for `border-collapse`. [[#201](https://github.com/flavorjones/loofah/issues/201)]
### Changes
* Deprecating `Loofah::HTML5::SafeList::VOID_ELEMENTS` which is not a canonical list of void HTML4 or HTML5 elements.
* Removed some elements from `Loofah::HTML5::SafeList::VOID_ELEMENTS` that either are not acceptable elements or aren't considered "void" by libxml2.
## 2.10.0 / 2021-06-06
### Features
* Allow CSS properties `overflow-x` and `overflow-y`. [[#206](https://github.com/flavorjones/loofah/issues/206)] (Thanks, [@sampokuokkanen](https://github.com/sampokuokkanen)!)
## 2.9.1 / 2021-04-07
### Bug fixes
* Fix a regression in v2.9.0 which inappropriately removed CSS properties with quoted string values. [[#202](https://github.com/flavorjones/loofah/issues/202)]
## 2.9.0 / 2021-01-14
### Features
* Handle CSS functions in a CSS shorthand property (like `background`). [[#199](https://github.com/flavorjones/loofah/issues/199), [#200](https://github.com/flavorjones/loofah/issues/200)]
## 2.8.0 / 2020-11-25
### Features
* Allow CSS properties `order`, `flex-direction`, `flex-grow`, `flex-wrap`, `flex-shrink`, `flex-flow`, `flex-basis`, `flex`, `justify-content`, `align-self`, `align-items`, and `align-content`. [[#197](https://github.com/flavorjones/loofah/issues/197)] (Thanks, [@miguelperez](https://github.com/miguelperez)!)
## 2.7.0 / 2020-08-26
### Features
* Allow CSS properties `page-break-before`, `page-break-inside`, and `page-break-after`. [[#190](https://github.com/flavorjones/loofah/issues/190)] (Thanks, [@ahorek](https://github.com/ahorek)!)
### Fixes
* Don't drop the `!important` rule from some CSS properties. [[#191](https://github.com/flavorjones/loofah/issues/191)] (Thanks, [@b7kich](https://github.com/b7kich)!)
## 2.6.0 / 2020-06-16
### Features
* Allow CSS `border-style` keywords. [[#188](https://github.com/flavorjones/loofah/issues/188)] (Thanks, [@tarcisiozf](https://github.com/tarcisiozf)!)
## 2.5.0 / 2020-04-05
### Features
* Allow more CSS length units: "ch", "vw", "vh", "Q", "lh", "vmin", "vmax". [[#178](https://github.com/flavorjones/loofah/issues/178)] (Thanks, [@JuanitoFatas](https://github.com/JuanitoFatas)!)
### Fixes
* Remove comments from `Loofah::HTML::Document`s that exist outside the `html` element. [[#80](https://github.com/flavorjones/loofah/issues/80)]
### Other changes
* Gem metadata being set [[#181](https://github.com/flavorjones/loofah/issues/181)] (Thanks, [@JuanitoFatas](https://github.com/JuanitoFatas)!)
* Test files removed from gem file [[#180](https://github.com/flavorjones/loofah/issues/180),[#166](https://github.com/flavorjones/loofah/issues/166),[#159](https://github.com/flavorjones/loofah/issues/159)] (Thanks, [@JuanitoFatas](https://github.com/JuanitoFatas) and [@greysteil](https://github.com/greysteil)!)
## 2.4.0 / 2019-11-25
### Features
* Allow CSS property `max-width` [[#175](https://github.com/flavorjones/loofah/issues/175)] (Thanks, [@bchaney](https://github.com/bchaney)!)
* Allow CSS sizes expressed in `rem` [[#176](https://github.com/flavorjones/loofah/issues/176), [#177](https://github.com/flavorjones/loofah/issues/177)]
* Add `frozen_string_literal: true` magic comment to all `lib` files. [[#118](https://github.com/flavorjones/loofah/issues/118)]
## 2.3.1 / 2019-10-22
### Security
Address CVE-2019-15587: Unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
This CVE's public notice is at [#171](https://github.com/flavorjones/loofah/issues/171)
## 2.3.0 / 2019-09-28
### Features
* Expand set of allowed protocols to include `tel:` and `line:`. [[#104](https://github.com/flavorjones/loofah/issues/104), [#147](https://github.com/flavorjones/loofah/issues/147)]
* Expand set of allowed CSS functions. [related to [#122](https://github.com/flavorjones/loofah/issues/122)]
* Allow greater precision in shorthand CSS values. [[#149](https://github.com/flavorjones/loofah/issues/149)] (Thanks, [@danfstucky](https://github.com/danfstucky)!)
* Allow CSS property `list-style` [[#162](https://github.com/flavorjones/loofah/issues/162)] (Thanks, [@jaredbeck](https://github.com/jaredbeck)!)
* Allow CSS keywords `thick` and `thin` [[#168](https://github.com/flavorjones/loofah/issues/168)] (Thanks, [@georgeclaghorn](https://github.com/georgeclaghorn)!)
* Allow HTML property `contenteditable` [[#167](https://github.com/flavorjones/loofah/issues/167)] (Thanks, [@andreynering](https://github.com/andreynering)!)
### Bug fixes
* CSS hex values are no longer limited to lowercase hex. Previously uppercase hex were scrubbed. [[#165](https://github.com/flavorjones/loofah/issues/165)] (Thanks, [@asok](https://github.com/asok)!)
### Deprecations / Name Changes
The following method and constants are hereby deprecated, and will be completely removed in a future release:
* Deprecate `Loofah::Helpers::ActionView.white_list_sanitizer`, please use `Loofah::Helpers::ActionView.safe_list_sanitizer` instead.
* Deprecate `Loofah::Helpers::ActionView::WhiteListSanitizer`, please use `Loofah::Helpers::ActionView::SafeListSanitizer` instead.
* Deprecate `Loofah::HTML5::WhiteList`, please use `Loofah::HTML5::SafeList` instead.
Thanks to [@JuanitoFatas](https://github.com/JuanitoFatas) for submitting these changes in [#164](https://github.com/flavorjones/loofah/issues/164) and for making the language used in Loofah more inclusive.
## 2.2.3 / 2018-10-30
### Security
Address CVE-2018-16468: Unsanitized JavaScript may occur in sanitized output when a crafted SVG element is republished.
This CVE's public notice is at [#154](https://github.com/flavorjones/loofah/issues/154)
## Meta / 2018-10-27
The mailing list is now on Google Groups [#146](https://github.com/flavorjones/loofah/issues/146):
* Mail: loofah-talk@googlegroups.com
* Archive: https://groups.google.com/forum/#!forum/loofah-talk
This change was made because librelist no longer appears to be maintained.
## 2.2.2 / 2018-03-22
Make public `Loofah::HTML5::Scrub.force_correct_attribute_escaping!`,
which was previously a private method. This is so that downstream gems
(like rails-html-sanitizer) can use this logic directly for their own
attribute scrubbers should they need to address CVE-2018-8048.
## 2.2.1 / 2018-03-19
### Security
Addresses CVE-2018-8048. Loofah allowed non-whitelisted attributes to be present in sanitized output when input with specially-crafted HTML fragments.
This CVE's public notice is at [#144](https://github.com/flavorjones/loofah/issues/144)
## 2.2.0 / 2018-02-11
### Features:
* Support HTML5 `` tag. [#133](https://github.com/flavorjones/loofah/issues/133) (Thanks, [@MothOnMars](https://github.com/MothOnMars)!)
* Recognize HTML5 block elements. [#136](https://github.com/flavorjones/loofah/issues/136) (Thanks, [@MothOnMars](https://github.com/MothOnMars)!)
* Support SVG `` tag. [#131](https://github.com/flavorjones/loofah/issues/131) (Thanks, [@baopham](https://github.com/baopham)!)
* Support for whitelisting CSS functions, initially just `calc` and `rgb`. [#122](https://github.com/flavorjones/loofah/issues/122)/[#123](https://github.com/flavorjones/loofah/issues/123)/[#129](https://github.com/flavorjones/loofah/issues/129) (Thanks, [@NikoRoberts](https://github.com/NikoRoberts)!)
* Whitelist CSS property `list-style-type`. [#68](https://github.com/flavorjones/loofah/issues/68)/[#137](https://github.com/flavorjones/loofah/issues/137)/[#142](https://github.com/flavorjones/loofah/issues/142) (Thanks, [@andela-ysanni](https://github.com/andela-ysanni) and [@NikoRoberts](https://github.com/NikoRoberts)!)
### Bugfixes:
* Properly handle nested `script` tags. [#127](https://github.com/flavorjones/loofah/issues/127).
## 2.1.1 / 2017-09-24
### Bugfixes:
* Removed warning for unused variable. [#124](https://github.com/flavorjones/loofah/issues/124) (Thanks, [@y-yagi](https://github.com/y-yagi)!)
## 2.1.0 / 2017-09-24
### Notes:
* Re-implemented CSS parsing and sanitization using the [crass](https://github.com/rgrove/crass) library. [#91](https://github.com/flavorjones/loofah/issues/91)
### Features:
* Added :noopener HTML scrubber (Thanks, [@tastycode](https://github.com/tastycode)!)
* Support `data` URIs with the following media types: text/plain, text/css, image/png, image/gif, image/jpeg, image/svg+xml. [#101](https://github.com/flavorjones/loofah/issues/101), [#120](https://github.com/flavorjones/loofah/issues/120). (Thanks, [@mrpasquini](https://github.com/mrpasquini)!)
### Bugfixes:
* The :unprintable scrubber now scrubs unprintable characters in CDATA nodes (like `