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Convergence is not enough

Hacker News Top ↗ · 2026-07-27 Cached

A technical note from the Livelymerge project demonstrating that CRDT convergence (via Automerge) does not guarantee semantically correct merges for live program heaps, using a linked-list example where concurrent swaps produce truncation or cycles. The authors acknowledge the problem and sketch promising directions.

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#live-programming

Technical Dimensions of Live Feedback in Programming Systems

Hacker News Top ↗ · 2026-05-10 Cached

This paper presents six dimensions to characterize live feedback in interactive programming systems: granularity, reactivity, velocity, moldability, bidirectionality, and materiality, aiming to map the design space.

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