w3c/activitystreams

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Activity Streams 2.0

Stars: 313
Forks: 70
Open beginner issues: 0
Indexed issues: 175

Dominant language: HTML
License: No license data
Last GitHub push: Aug 8, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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175 open issues indexed

Add `Hashtag` Open

Needs Group Input/Decision Next version

w3c/activitystreams#792 · 1 assignee · Opened Sep 18, 2026
Add `sensitive` Open

Needs Group Input/Decision Next version

Difficulty 3/5 1-2 days Newbie friendliness 62/100

w3c/activitystreams#791 · Opened Sep 18, 2026
Define a filename extension for application/activity+json Open

Needs Group Input/Decision Next version

Difficulty 5/5 Over a week Newbie friendliness 45/100

w3c/activitystreams#790 · 3 comments · Opened Sep 8, 2026
Consider introducing license and/or rights into the vocabulary Open

needs-fep

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

w3c/activitystreams#787 · 3 comments · Opened Jul 31, 2026
Ensure that Vocabulary is useable for applications outside of Activity Streams 2.0 documents Open

Next version

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

w3c/activitystreams#784 · 1 comment · Opened Jun 18, 2026
Is Section 6 "Privacy Considerations" normative? Open

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

w3c/activitystreams#783 · 1 comment · Opened Jun 18, 2026
Vague requirement in section 5.2 "re-serialization of Extensions" Open

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Difficulty 4/5 3-5 days Newbie friendliness 45/100

w3c/activitystreams#782 · Opened Jun 18, 2026
Remove or move section 5.1 "compact URIs" Open

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Difficulty 1/5 Under an hour Newbie friendliness 72/100

w3c/activitystreams#781 · Opened Jun 18, 2026
Remove extended GeoJSON discussion in section 5 "extensibility" Open

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Difficulty 1/5 Under an hour Newbie friendliness 78/100

w3c/activitystreams#780 · Opened Jun 18, 2026
" Implementations that publish Activity Streams 2.0 documents" -> "Publishers" in Section 5 "Extensibility" Open

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Difficulty 1/5 Under an hour Newbie friendliness 88/100

w3c/activitystreams#779 · Opened Jun 18, 2026
Will JSON-LD processors silently ignore undefined properties? Open

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Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/activitystreams#778 · 1 comment · Opened Jun 18, 2026
"It is important to note that" in section 5 "extensibility" Open

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Difficulty 1/5 Under an hour Newbie friendliness 78/100

w3c/activitystreams#777 · 1 comment · Opened Jun 18, 2026
Using an extension vs. using an external vocabulary in section 5 "Extensibility" Open

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

w3c/activitystreams#776 · 2 comments · Opened Jun 18, 2026
Explain why publishers would use an extension in section 5 "Extensibility" Open

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Difficulty 1/5 Under an hour Newbie friendliness 74/100

w3c/activitystreams#775 · Opened Jun 18, 2026
"Consuming implementations" -> "Consumers" in section 5 "Extensibility" Open

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Difficulty 1/5 Under an hour Newbie friendliness 85/100

w3c/activitystreams#774 · Opened Jun 18, 2026
Definition of extension in section 5 "Extensiblity" Open

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Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/activitystreams#773 · Opened Jun 18, 2026
In Activity Vocabulary and Core, use defined terms from Web Architecture with links Open

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Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/activitystreams#772 · Opened Jun 12, 2026
Consider deprecating as2-partial-time override Open

Next version pr-requested

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

w3c/activitystreams#767 · 1 comment · 2 reactions · Opened Jun 5, 2026
Incorporate ERRATA.md into "Changelog" appendices Open

Waiting for Commenter

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

w3c/activitystreams#766 · 2 comments · Opened Jun 5, 2026
Document branches for old versions in README Open

pr-requested

w3c/activitystreams#765 · 1 assignee · Opened Jun 5, 2026
AS2-Vocab: "Core" vs "Extended" properties mentioned but not actualized Open

Next version pr-requested

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

w3c/activitystreams#764 · 4 comments · Opened Jun 3, 2026
AS2-Vocab: Move "implementations" mention to AS2-Core instead Open

Next version pr-requested

w3c/activitystreams#763 · 6 comments · 1 assignee · Opened Jun 3, 2026
AS2-Vocab: Replace tables with description lists Open

Next version pr-requested

w3c/activitystreams#762 · 5 comments · 1 assignee · Opened Jun 3, 2026
AS2-Vocab: Base URI for vocab should be part of "Conventions" Open

Next version pr-requested

w3c/activitystreams#761 · 1 comment · 1 assignee · Opened Jun 3, 2026
AS2-Vocab: Split "conformance" to its own section Open

Next version pr-requested

w3c/activitystreams#760 · 1 comment · 2 reactions · 1 assignee · Opened Jun 3, 2026
AS2-Vocab: "Activities and Artifacts" in introduction Open

Next version pr-requested

w3c/activitystreams#759 · 2 comments · 1 assignee · Opened Jun 3, 2026
Define the difference between core types and extended types Open

Next version pr-requested

w3c/activitystreams#758 · 3 comments · 1 assignee · Opened May 15, 2026
Relationship between "string forms" and "object forms" of natural language values Open

Needs Group Input/Decision Next version

Difficulty 4/5 3-5 days Newbie friendliness 45/100

w3c/activitystreams#756 · 3 comments · Opened May 15, 2026
Why isn't there an Actor type? Open

Next version pr-requested

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/activitystreams#755 · 12 comments · Opened May 15, 2026
Make section 4.5 "IntransitiveActivity" a subsection of section 4.4 "Activity" Open

Needs Group Input/Decision Next version pr-requested

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/activitystreams#754 · 2 comments · Opened May 15, 2026
Move section 4.7 "Natural Language Values" out of "Model" Open

Next version pr-requested

w3c/activitystreams#753 · 3 comments · 1 assignee · Opened May 15, 2026
Should section 4.8 be its own section? Open

Next version pr-requested

w3c/activitystreams#752 · 1 comment · 1 assignee · Opened May 15, 2026
Definitions with natural language values Open

Next version

w3c/activitystreams#751 · 1 comment · 1 assignee · Opened May 15, 2026
Describe the property, propertyMap convention Open

Next version

w3c/activitystreams#750 · 2 comments · 1 assignee · Opened May 15, 2026
Appropriate complete ordering of member items Open

Next version pr-requested

w3c/activitystreams#749 · 1 comment · 1 assignee · Opened May 15, 2026
The trickiness of OrderedCollections Open

Next version pr-requested

w3c/activitystreams#748 · 2 comments · 1 assignee · Opened May 15, 2026
Link for `first`, `last`, `previous`, `next`, `current` Open

Next version pr-requested

Difficulty 3/5 1-2 days Newbie friendliness 48/100

w3c/activitystreams#747 · 3 comments · Opened May 15, 2026
Strict ordering in OrderedCollectionPage Open

Next version pr-requested

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

w3c/activitystreams#746 · 3 comments · Opened May 15, 2026
Order properties of CollectionPage alphabetically Open

Editorial (would not change implementations) Next version

w3c/activitystreams#745 · 5 comments · 1 assignee · Opened May 15, 2026
Why is a collection page a sub-type of collection? Open

Editorial (would not change implementations) Next version

w3c/activitystreams#744 · 16 comments · 1 assignee · Opened May 15, 2026
An ordered representation of an unordered collection Open

Editorial (would not change implementations) Next version

w3c/activitystreams#743 · 2 comments · 1 assignee · Opened May 15, 2026
Use distinct examples of ordered and unordered collections that make sense Open

Editorial (would not change implementations) Next version

w3c/activitystreams#742 · 1 assignee · Opened May 15, 2026
Define "items" Open

Editorial (would not change implementations) Next version

w3c/activitystreams#741 · 1 assignee · Opened May 15, 2026
Alphabetize list of properties of Collection Open

Editorial (would not change implementations) Next version

w3c/activitystreams#740 · 3 comments · 1 reaction · 1 assignee · Opened May 15, 2026
"passive" and "imperative" are not opposites Open

Editorial (would not change implementations) Next version

w3c/activitystreams#739 · 1 assignee · Opened May 15, 2026
Move Activity extension warnings to Extensibility section Open

Editorial (would not change implementations) Next version

w3c/activitystreams#738 · 1 assignee · Opened May 15, 2026
Why don't we define properties of activities? Open

Editorial (would not change implementations) Next version

w3c/activitystreams#737 · 7 comments · 1 assignee · Opened May 15, 2026
Define "Activity Statement" or replace it with "Activity" Open

Editorial (would not change implementations) Next version

w3c/activitystreams#736 · 2 comments · 1 assignee · Opened May 15, 2026
Alphabetize list of Activity properties in section 4.4 Open

Editorial (would not change implementations) Needs Group Input/Decision Next version

Difficulty 1/5 Under an hour Newbie friendliness 88/100

w3c/activitystreams#735 · 4 comments · Opened May 15, 2026
Overlap multityping requirement for Actor is subjective Open

Editorial (would not change implementations) Needs Group Input/Decision Next version

w3c/activitystreams#734 · 1 comment · 1 assignee · Opened May 15, 2026

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