pydantic/jiter

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Fast iterable JSON parser.

Stars: 550
Forks: 69
Open beginner issues: 0
Indexed issues: 14
Avg merge: 1d 18h
Merged PRs (30d): 19

Dominant language: Rust
License: MIT
Last GitHub push: Sep 12, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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14 open issues indexed

Partial mode: next_bytes errors on mid-escape truncation, next_str is Ok Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

pydantic/jiter#272 · 2 comments · Opened Aug 21, 2026
Partial string parse advances past input end, panicking slice_to_current Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

pydantic/jiter#267 · 1 comment · Opened Aug 20, 2026
[RFC] SIMD-accelerated whitespace and structural scanning for jiter Open

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

pydantic/jiter#249 · 5 comments · Opened Apr 11, 2026
feature-request: flag to turn off bigint parsing Open

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

pydantic/jiter#232 · 1 comment · Opened Jan 23, 2026
Lossless numeric option for `JsonValue` parsing to preserve `Decimal` Open

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

pydantic/jiter#230 · 1 comment · 2 reactions · Opened Nov 24, 2025
add support for `*.jsonc` and `*.jsonl`/`*.ndjson` Open

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

pydantic/jiter#218 · 5 comments · 1 reaction · Opened Sep 5, 2025
Partial mode not raising errors Open

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

pydantic/jiter#162 · Opened Nov 10, 2024
Refactor `JsonValue` to better support `allow_partial` Open

pydantic/jiter#158 · 1 assignee · Opened Oct 31, 2024
Coercion of incomplete floats (eg.`1.`) Open

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

pydantic/jiter#146 · 5 comments · Opened Sep 28, 2024
Splitting value/python away from jiter's parser/decoders/iterators? Open

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

pydantic/jiter#139 · 9 comments · Opened Sep 13, 2024
JSON parsing fails on "lone leading surrogate in hex escape" while normal json.loads don't Open

pydantic/jiter#120 · 4 comments · 1 reaction · 1 assignee · Opened Jul 5, 2024
Custom Python exception with `kind` and `path` Open

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

pydantic/jiter#99 · 1 comment · Opened May 20, 2024
[feature] Support extended json Open

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

pydantic/jiter#90 · 1 comment · 2 reactions · Opened May 10, 2024
json-cat support (aka lax JSON lines support) Open

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

pydantic/jiter#89 · 1 reaction · Opened May 3, 2024

pydantic/jiter

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