alibaba / alibaba/fastjson2

2.1.x版本讨论

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Dominant language
Java
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Description

内容是草稿,这个过程随时会变化。

# 项目目标
1. 兼顾性能和可维护性,在保证性能的基础上,提升可维护性,减少重复代码。
2. 提供可以不使用Unsafe的选项,在JDK 25+的版本上没有警告。

# 项目时间
2026-01-01日开始,结束时间看进度

# 兼容
期间所有PR要考虑2.0.x/2.0.x.android5/2.0.x.android8/2.1.x四个版本

Contributor guide

Open the contributing guide

Research direction

This is a changing roadmap draft rather than a scoped implementation task, and it names no file, test, or entry point. Start by reviewing the performance, maintainability, Unsafe, JDK 25+, and four-version compatibility goals; completion is not defined until a concrete change and acceptance criteria are added.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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