Story
Weave – A language aware merge algorithm based on entities
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Overview
Weave is an entity-level semantic merge driver for Git that resolves conflicts by understanding code structure using tree-sitter. It achieves 31 out of 31 clean merges, compared to Git's 15 out of 31.
Summary from github.com.
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Community reactions
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Hacker News · github.com
Hacker News discussion ↗
Historical count: 5 · 5 saved in sample · Historical sample
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Based on 5 sampled comments from this thread. Analyzed 2026-03-04.
- Praise: The language-aware content merging approach has garnered positive feedback from key figures in the Git community, indicating strong demand and potential for broader adoption.
- Praise: The ability to run AST-level queries could revolutionize how developers understand changes across branches, enhancing collaboration and reducing merge conflicts.
- Concern: Concerns were raised about Weave's ability to detect structural refactors, which could limit its effectiveness in handling complex code changes.
- Concern: Initial testing revealed that Weave did not resolve expected merge conflicts, raising questions about its reliability in practical scenarios.