w3c/webvtt

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WebVTT Standard

Stars: 118
Forks: 34
Open beginner issues: 0
Indexed issues: 102

Dominant language: HTML
License: No license data
Last GitHub push: May 20, 2026
Latest indexed: Sep 21, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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102 open issues indexed

Add properties of Fill and Stroke spec plus `paint-order` to properties that apply to `::cue` and `::cue()` Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

w3c/webvtt#545 · 2 comments · Opened Mar 27, 2026
WebVTT should allow the `transition:` property to apply to cues Open

addition/proposal needs implementer interest VTT-next

Difficulty 4/5 3-5 days Newbie friendliness 48/100

w3c/webvtt#538 · 3 comments · Opened Feb 12, 2026
There is no way to test the behavior that the cue moves out of the way of controls Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webvtt#535 · Opened Nov 11, 2025
Can ::cue(selector) match a list of webvtt node objects? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#533 · 11 comments · Opened Aug 14, 2025
WebVTT should allow pages to modify the caption display area Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#531 · 19 comments · Opened Mar 12, 2025
Font styling section imposes minimum line-height. Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/webvtt#530 · 4 comments · Opened Feb 26, 2025
Font styling section doesn't match reality Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webvtt#529 · 14 comments · Opened Feb 26, 2025
Add a kind sub-type differentiator to new WebVTT ATTRIBUTES block Open

w3c/webvtt#525 · 2 comments · 1 assignee · Opened Jun 14, 2024
Default font size `5vh` leads to very large cues for vertical videos Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/webvtt#522 · 8 comments · Opened Nov 9, 2023
Remove all `<pre class=anchors>` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

w3c/webvtt#521 · Opened Oct 6, 2023
Missing examples for API Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/webvtt#520 · Opened Aug 21, 2023
VTTCue Constructor never calls super class (TextTrackCue) Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

w3c/webvtt#519 · 2 comments · 1 reaction · Opened Aug 21, 2023
Allow compositing and blending properties on `::cue` Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#518 · Opened Aug 17, 2023
WebVTT should expose an inline-block backdrop element for cues Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webvtt#516 · 17 comments · Opened Jun 28, 2023
Broken references in WebVTT: The Web Video Text Tracks Format Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/webvtt#514 · 1 comment · Opened Apr 24, 2023
Why TextTrackCue's endTime is Inifnity On Safari? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

w3c/webvtt#513 · 7 comments · Opened Apr 19, 2023
VTT Type Proposal for time-coded general-flash metadata Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/webvtt#512 · 20 comments · 3 reactions · Opened Mar 28, 2023
VTT Metadata Cue format is ambiguous; some metadata may be unintentionally presented to the user in a context outside HTML Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/webvtt#511 · 17 comments · Opened Mar 28, 2023
Additions for transcripts: inline chapter markers, paragraph separators Open

addition/proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#506 · 1 comment · Opened Nov 22, 2022
Replace usage of "responsible document" Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/webvtt#504 · Opened Mar 15, 2022
Behavior with controls, particularly non-native controls, overlap Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#503 · 23 comments · Opened Mar 10, 2022
Update spec to be owned by Timed-Text WG solely Open

agenda

Difficulty 2/5 1-2 days Newbie friendliness 35/100

w3c/webvtt#501 · Opened Dec 20, 2021
Lost captions at High or Low Position without Size or Alignment : Issue at spec level? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/webvtt#500 · Opened Nov 9, 2021
Unclear how specificity of ::cue() and ::cue-region() should be calculated Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#499 · 5 comments · Opened Oct 16, 2021
Suggestions to refine the STYLE block Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#498 · 5 comments · Opened Oct 15, 2021
Support <rp> tag Open

i18n-tracker

Difficulty 5/5 Over a week Newbie friendliness 28/100

w3c/webvtt#490 · 1 comment · Opened Oct 9, 2020
Viewport Units and Styling Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#489 · 2 comments · 1 reaction · Opened Sep 2, 2020
Figure 1: use more accessible colors Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

w3c/webvtt#487 · 1 comment · Opened Jun 19, 2020
Where should "headers" go relative to the `WEBVTT` magic string? Open

agenda

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#485 · 15 comments · 2 reactions · Opened Jun 5, 2020
URLs are treated as unique security origins. Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/webvtt#484 · 4 comments · 3 reactions · Opened May 7, 2020
over-specification in Conformance: Unicode normalization Open

addition/proposal i18n-needs-resolution

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#483 · 8 comments · Opened Apr 23, 2020
Should line:100% render the cue offscreen? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#482 · 3 comments · Opened Feb 19, 2020
Clarification of correct line position for vertical-rl and vertical-lr cues Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

w3c/webvtt#481 · 12 comments · Opened Feb 14, 2020
Clarify last item of region processing model in regions Open

Difficulty 1/5 Under an hour Newbie friendliness 35/100

w3c/webvtt#480 · Opened Feb 11, 2020
Please define the presumed video frame rate Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webvtt#479 · 16 comments · Opened Jan 11, 2020
Consider labeling the originating element for cues as "featureless" Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/webvtt#477 · 1 comment · Opened Nov 13, 2019
Confusion regarding auto value for line cue setting Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#476 · Opened Oct 30, 2019
Update IANA Considerations section. Open

Difficulty 1/5 Under an hour Newbie friendliness 62/100

w3c/webvtt#475 · Opened Oct 17, 2019
Update to constructor operations Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/webvtt#472 · 1 comment · Opened Aug 29, 2019
[IR] settings position test failing Open

IR

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

w3c/webvtt#469 · 1 comment · Opened Jul 3, 2019
[IR] settings line test failing Open

IR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/webvtt#468 · 1 comment · Opened Jul 3, 2019
[IR] parsing: region lines Open

IR

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#467 · 2 comments · Opened Jul 3, 2019
[IR] region ids test failing Open

IR

Difficulty 3/5 1-2 days Newbie friendliness 35/100

w3c/webvtt#466 · 1 comment · Opened Jul 3, 2019
[IR] regions edge cases test failing Open

IR

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/webvtt#465 · 1 comment · Opened Jul 3, 2019
[IR] VTTCue region test failing Open

IR

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#463 · 1 comment · Opened Jul 3, 2019
Lack of the definition for "the base direction of the cue text" Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

w3c/webvtt#462 · 1 comment · Opened Jul 2, 2019
Overflowed text might exceed the boundary of video rendering area Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/webvtt#459 · 1 comment · 1 reaction · Opened Jun 18, 2019
Cue box's size would be incorrectly changed when setting 'align:start' or 'align:end' Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/webvtt#458 · 4 comments · Opened Jun 15, 2019
Change line attribute to unsigned int Open

IR

w3c/webvtt#457 · 3 comments · 1 assignee · Opened Jun 13, 2019
Mark text-combine-upright as at risk Open

IR

w3c/webvtt#456 · 3 comments · 1 assignee · Opened Jun 13, 2019

w3c/webvtt

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