added support for alpha & colorspace in FF nightly#43401
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added support for alpha & colorspace in FF nightly#43401
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dipikabh
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Mar 11, 2026
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Thanks, Dave! A few things might need attention before you merge
| - `dom.forms.datetime.timepicker` | ||
| - : Set to `true` to enable. | ||
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| ### `alpha` & `colorspace` attributes in `color` input elements |
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| ### `alpha` & `colorspace` attributes in `color` input elements | |
| ### `alpha` and `colorspace` attributes in `color` input elements |
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| ### `alpha` & `colorspace` attributes in `color` input elements | ||
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| The HTML [`<input type="color">`](/en-US/docs/Web/HTML/Reference/Elements/input/color) element supports [`alpha`](/en-US/docs/Web/HTML/Reference/Elements/input/color#alpha) & [`colorspace`](/en-US/docs/Web/HTML/Reference/Elements/input/color#colorspace) attributes in Nightly only. ([Firefox bug 1919718](https://bugzil.la/1919718)). |
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| The HTML [`<input type="color">`](/en-US/docs/Web/HTML/Reference/Elements/input/color) element supports [`alpha`](/en-US/docs/Web/HTML/Reference/Elements/input/color#alpha) & [`colorspace`](/en-US/docs/Web/HTML/Reference/Elements/input/color#colorspace) attributes in Nightly only. ([Firefox bug 1919718](https://bugzil.la/1919718)). | |
| The HTML [`<input type="color">`](/en-US/docs/Web/HTML/Reference/Elements/input/color) element supports [`alpha`](/en-US/docs/Web/HTML/Reference/Elements/input/color#alpha) & [`colorspace`](/en-US/docs/Web/HTML/Reference/Elements/input/color#colorspace) attributes. ([Firefox bug 1919718](https://bugzil.la/1919718)). |
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| | Release channel | Version added | Enabled by default? | | ||
| | ----------------- | ------------- | ------------------- | | ||
| | Nightly | 149 | Yes | | ||
| | Developer Edition | - | | | ||
| | Beta | - | | | ||
| | Release | - | | |
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- can be added to the blank cells as well (third column)
| | Developer Edition | - | | | ||
| | Beta | - | | | ||
| | Release | - | | | ||
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this is missing a pref name
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| The [`color-mix()`](/en-US/docs/Web/CSS/Reference/Values/color_value/color-mix) CSS function now supports multiple [`<color>`](/en-US/docs/Web/CSS/Reference/Values/color_value) values, rather than just two. This allows you to mix many colors and set the percentages of each. ([Firefox bug 2007772](https://bugzil.la/2007772)). | ||
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| - **`alpha` & `colorspace` attributes in `color` input elements**: |
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| - **`alpha` & `colorspace` attributes in `color` input elements**: | |
| - **`alpha` and `colorspace` attributes in `color` input elements** (Nightly only): <pref name> |
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| - **`alpha` & `colorspace` attributes in `color` input elements**: | ||
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| The HTML [`<input type="color">`](/en-US/docs/Web/HTML/Reference/Elements/input/color) element supports [`alpha`](/en-US/docs/Web/HTML/Reference/Elements/input/color#alpha) & [`colorspace`](/en-US/docs/Web/HTML/Reference/Elements/input/color#colorspace) attributes in Nightly only. ([Firefox bug 1919718](https://bugzil.la/1919718)). |
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same updates can be applied here
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alpha&colorspaceattributes of<input type="color">:Motivation
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