playframework/play-json

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The Play JSON library

Stars: 375
Forks: 140
Open beginner issues: 0
Indexed issues: 18
Avg merge: 1d 5h
Merged PRs (30d): 28

Dominant language: Scala
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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18 open issues indexed

ArrowAssoc warning in Scala 3.10 Open

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

playframework/play-json#1409 · 1 comment · Opened Aug 28, 2026
Feature request: Add more methods to Format. like circe `Codec.iemap` Open

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

playframework/play-json#1289 · 1 comment · Opened Mar 31, 2026
Upgrade to Jackson 3 Open

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

playframework/play-json#1258 · 7 comments · Opened Nov 11, 2025
performance: don't parse all numbers as BigDecimal Open

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

playframework/play-json#1121 · Opened Jan 11, 2025
add hook to allow play-json users to provide their own Jackson JsonFactory or ObjectMapper Open

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

playframework/play-json#1009 · 1 comment · Opened Apr 2, 2024
`LowPriorityKeyReads.readableKeyReads` should not exist Open

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

playframework/play-json#955 · 2 comments · 2 reactions · Opened Dec 22, 2023
support jackson-core fast number parsing Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

playframework/play-json#835 · 1 comment · Opened Dec 17, 2022
updateNullable Open

triage

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

playframework/play-json#414 · Opened Feb 10, 2020
Annotations for macro similar to @Flatten & @Ignore Open

triage

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

playframework/play-json#367 · 1 comment · Opened Dec 7, 2019
JsPath.prune should not repath on success Open

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

playframework/play-json#171 · 4 comments · 1 reaction · Opened Jul 31, 2018
NPE when Json.toJson Open

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

playframework/play-json#100 · 4 comments · Opened Sep 2, 2017
JsPath.json.put writing to an object in a nested array exception: expected KeyPathNode Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

playframework/play-json#82 · 7 comments · 2 reactions · Opened Jul 14, 2017
Integrating with ScalaJSON AST Open

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

playframework/play-json#76 · 7 comments · Opened Jun 29, 2017
Make sure JSON macro performance is reasonable Open

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

playframework/play-json#68 · 2 comments · Opened May 19, 2017
Split core library from high-level utilities Open

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

playframework/play-json#35 · 1 comment · Opened Feb 8, 2017
Customization for Jackson ObjectMapper Open

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

playframework/play-json#9 · 2 comments · Opened Dec 12, 2016
Monoid[JsObject] does not satisfy associative law Open

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

playframework/play-json#6 · 2 comments · Opened Dec 12, 2016
Allow for custom jackson dataformats in play-json Open

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

playframework/play-json#5 · 1 reaction · Opened Dec 12, 2016

playframework/play-json

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