Official account for Bootstrap, a toolkit providing simple and flexible HTML, CSS, and JS for popular UI components and interactions. Tweets by @mdo.
Joined September 2011
- Tweets 2,107
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- Followers 520,008
- Likes 214
120 Photos and videos
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24 Dec 2022
Closing out the year with a big new release, v5.3.0-alpha1! Get your hands on the pre-release with color modes, expanded color palette, new utilities, and more! blog.getbootstrap.com/2022/1…
Wishing everyone an amazing holiday break and a Happy New Year! Catch y’all in 2023 🎉🥂💜
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7 Oct 2025
Lots of happenings lately for v6's development!
One new idea is to move from component-specific modifiers to global ones. Take this example—use `.theme-primary` on all components, or on a parent, and even override where needed.
Also, spot the new button variants? 👀
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7 Oct 2025
These theme modifiers are generated from the new theme colors map we've been building. Looks a little wild, but the use of CSS's `light-dark()` color function makes these also immediately adaptive to OS color modes.
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7 Oct 2025
Oh, and we have new colors! First, there are more named colors in here—like violet, amber, lime, brown, and pewter. And there are more tints and shades—025, 050, 950, and 975 values are here for every color.
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26 Aug 2025
Would you prefer a v5 breaking change to support Sass modules (drop Node Sass, modify imports, iron out a few customizing issues)? Or a jump right to v6?
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5 May 2025
🚢 Holy ship!
v5.3.6 is here and while technically only a patch release, it's a massive update. We've officially migrated our docs off Hugo and onto @astrodotbuild. Massive undertaking by @JulienDeramond. Onto v5.4.0 pending any more urgent fixes.
blog.getbootstrap.com/2025/0…
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10 Apr 2025
Just a heads up—we have two big efforts underway for Bootstrap with migrating the docs to Astro for our next v5.3 release and early v6 development. Astro unblocks us from dropping Node Sass, which will allow us to focus on Dart Sass and those deprecation warnings. Coming soon!
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4 Apr 2025
We just published a quick v5.3.5 to fix a floating labels regression in Firefox due to a bug in a dependency. Docs rolling out now. github.com/twbs/bootstrap/re…
Have a good weekend!
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3 Apr 2025
Bootstrap v5.3.4 is live. Get the details at blog.getbootstrap.com/2025/0….
Please enjoy this fresh little drop while we keep hammering away on migrating from Hugo to Astro for our docs, dropping Node Sass so we can fix some Dart Sass deprecation issues, and of course v6.
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20 Feb 2025
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23 Jul 2024
Heads up for those on older versions of Bootstrap—checkout the @herodevs fixes for the following security vulnerabilities.
HeroDevs has patched three medium-risk vulnerabilities in Bootstrap 3 and 4:
🚨CVE-2024-6484: XSS in Bootstrap 3 Carousel.
🚨CVE-2024-6485: XSS in Bootstrap 3 Button.
🚨CVE-2024-6531: XSS in Bootstrap 4 Carousel.
For more details: bit.ly/3Lpb46M
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29 Feb 2024
It's early to be thinking about v6 more holistically, but it's still fun to capture easy changes we really can't make until then on @pierrecomputer for now. For example, a breaking change like moving ratio helpers to utilities. pierre.co/share/c61e6401-9f8…
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22 Feb 2024
We've had lots of requests for a stepper component in Bootstrap, so the other day I whipped one up as a draft on @pierrecomputer. Starts stacked vertically on mobile and then has modifier classes to go horizontal. Either coming in a v5.4 or a v6 release. pierre.co/share/3fb20635-008…
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14 Sep 2023
Bootstrap v5.3.2 is here with a fix for Dart Sass, color mode updates, and more! blog.getbootstrap.com/2023/0…
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12 Sep 2023
💅🏻 Just dropped a new release for Bootstrap Icons with 100 new icons, including brands like X (ugh) and Threads, new person icons, floppy disks (finally, I know!), new emoji, and tons more.
blog.getbootstrap.com/2022/1…
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12 Sep 2023
Would probably help if I got the link right—my bad! blog.getbootstrap.com/2023/0…
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26 Jul 2023
Bootstrap v5.3.1 is here with some fixes for color mode and components, plus some documentation updates that include adding search to the homepage. Next up is v5.3.2 and then most likely v5.4.0. blog.getbootstrap.com/2023/0…
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30 May 2023
Bootstrap 5.3.0 is here!
🌚 Dark mode support
🎨 Custom color modes support
🌈 Extended color palette
🔗 New link helpers and utilities
🐛 Bug fixes, docs updates, and more
Read the blog post to learn more and how to use the new color mode features.
blog.getbootstrap.com/2023/0…
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