v5.2.1

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Lightbox bug fixes and improvements

• Prevent reveal.js keyboard shortcuts while lightbox is open (@​tobi-or-not-tobi in #​3767)
• Opening iframe lightboxes via [data-preview-link] now works all element types, not just <a> (@​hakimel)
• Lightbox state is now persisted/restored when calling Reveal.getState and Reveal.setState (@​hakimel)
• Lightbox now syncs between speaker view and main window (@​hakimel)
• Fix pause overlay/lightbox layering conflict (@​tobi-or-not-tobi in #​3768)
• Added lightbox example to demo.html

Full Changelog: hakimel/reveal.js@5.2.0...5.2.1

v5.2.0

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New Feature: Lightbox

Any element in your presentation can now be turned into an image/video lightbox trigger. Clicking reveals a full-size lightbox overlay where users can view your image or video. This is great for things like clickable thumbnails in a gallery.

<!-- Click to show "A.png" in an overlay -->
<img src="A.png" data-preview-image>

<!-- Click show "B.png" in an overlay -->
<img src="A.png" data-preview-image="B.png">

<!-- Click to show "C.mp4" in an overlay and scale it to "cover" -->
<img src="A.png" data-preview-video="C.mp4" data-preview-fit="cover">

<!-- Works with any element type -->
<button data-preview-video="C.mp4">Play video</button>

Docs: revealjs.com/lightbox.

Here's what it looks like in action:

Changes

• Upgrade to gulp 5.0.
• Add controls: "speaker-only" config option for only showing controls in speaker view (@​gpotter2 in #​3716)
• Extend search API to include closeSearch and toggleSearch (@​lechten in #​3685)
• Automatic source code spellcheck via GitHub action (@​yarikoptic in #​3602)
• Math plugin now ignores code tags by default (@​hakimel in 0d02d8a)
• Muted background videos now autoplay in the speaker view.
• Prevent initialize from being called twice (@​hakimel in 16ac4b0)
• Auto-animate no longer skips matching fragments on adjacent slides (@​hakimel in 6dea2a5)

Bug fixes

• Fix reveal.js not covering full viewport height in iOS by switching to 100dvh (@​hakimel in 6cebb77)
• Fix background video restarting when switching fragments from notes view (#​3633)
• Fix gulp package not working in gulp 5 (@​dennybiasiolli in #​3701)
• Fix last slide not triggering slidechange event in scroll view (@​hakimel in fe4a6e8)

Full Changelog: hakimel/reveal.js@5.1.0...5.2.0

v5.1.0

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Changes

• Add the enter-fullscreen class to any element in your presentation to turn it into fullscreen trigger (@​hakimel)
• Video backgrounds now continue to play seamlessly across multiple slides (@​hakimel)

Fixes

• MathJax3 plugin now works with in non-singleton reveal.js instances (@​jokester in #​3595)
• Changing slides via swipe gestures now works when swiping on videos—unless their controls are visible (@​hakimel)
• Fix exception when destroying uninitialized reveal.js instance (@​hakimel in #​3593)
• Fix videos restarting each time a fragment is shown (@​hakimel in #​2882)
• Fix broken backwards navigation in RTL mode (@​hakimel)
• Fix error when the notes plugin receives a non-string message (@​NatKarmios in #​3588)
• Fix question mark shortcut on non-English keyboard layouts (@​lechten in #​3603)
• Fix r-stack overflow behavior in Chromium browsers (@​alifeee in #​3598)

Full Changelog: hakimel/reveal.js@5.0.5...5.1.0

v5.0.5

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Changes

• Keyboard navigation support in scroll view (@​hakimel in #​3515)
• Add F1 shortcut for showing help overlay (@​gchriz in #​3570)

Fixes

• Fix postMessage XSS exploit (@​hakimel in 3dade61)
• Fix stack backgrounds not working in scroll view (@​bouzidanas in #​3568)
• Fix fragmentshown and fragmenthidden not firing in scroll view (@​bouzidanas, @​ hakimel in #​3580)

Full Changelog: hakimel/reveal.js@5.0.4...5.0.5

v5.0.4

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Fixes

• Missing slide backgrounds in mobile scroll view (#​3554)

v5.0.3

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Changes

• Search plugin now supports searching for diacritics and searches full phrases (@​t-fritsch in #​3532)
• Jump-to-slide now adapts to the configured slide number format (@​hakimel in #​3501)
• Slide background XSS prevention (@​EastSun5566 in #​3548)

Fixes

• Fix speaker notes not appearing in PDF exports (@​hakimel in #​3535)
• Fix exception when stepping backwards through code highlights (@​hakimel in #​3524)
• Fix exception when navigating decks in mobile browsers (@​hakimel in #​3539)
• Fix pause/help overlay position in scroll view (@​hakimel in #​3542)
• Fix mobile scroll view navigation when fragments began at a index higher than 1 (@​hakimel #​3540)

Full Changelog: hakimel/reveal.js@5.0.2...5.0.3

v5.0.2

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Changes

• Upgrade dependencies (@​Mister-Hope in #​3505)
• Make Markdown plugin callable without a reveal deck instance (@​hakimel in #​3517)
• Fix exception in speaker view (@​hakimel #​2512)
• Fix issue where a future vertical slide background sometimes flashed into view prematurely (@​hakimel in #​3520)

Full Changelog: hakimel/reveal.js@5.0.0...5.0.2

v5.0.0

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Scroll view

reveal.js 5.0 comes with a groundbreaking new feature; scroll view! (#​3482)

Slide decks are a great format for giving presentations, but scrollable web pages are easier for viewers to read on their own.

The scroll view gives you the best of both worlds—without any extra effort. Present in the format best suited for presenting, share in the format best suited for consumption.

Here's what it looks in action:

Want to try it out yourself? Check out the announcement deck I put together for slides.com 👉 https://slides.com/news/scroll-mode/scroll

How to use it

The scroll view is enabled by initializing reveal.js with view: "scroll" or by appending ?view=scroll to a deck URL.

Reveal.initialize({ view: 'scroll' });

It's possible to fine tune this view through multiple new config options. Full documentation available at https://revealjs.com/scroll-view.

Breaking change

The scroll view is automatically enabled for viewports below 435px wide. This is done because I believe the scroll view to be a superior way to browse any deck on a mobile device. If you want to revert this behavior and always paginate between slides, see scrollActivationWidth:

Reveal.initialize({ scrollActivationWidth: null })

Changes

• The PDF print view can now be activated via config Reveal.initialize({ view: 'print' }) (@​hakimel in #​3482)
• The new URL query for activating the print view is ?view=print. It used to be ?print-pdf, which is still supported for backwards compatibility. (@​hakimel in #​3482)

Fixes

• Notes from data-notes were not working on the slide-level (@​skyboyer in #​3477)
• Add 'wheel' event listener, remove deprecated mousewheel & 'DOMMouseScroll` (@​quochuy in #​3489)

Full Changelog: hakimel/reveal.js@4.6.0...5.0.0