{"type":"post","id":"deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5","slug":"deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5","title":"DeepSeek Harness dsh-v0.2.1-rc.4 fixes diagnostics leaking into stdout in ACP mode","description":"DeepSeek has published `dsh-v0.2.1-rc.4`, a pre-release of DeepSeek Harness that fixes diagnostics leaking into standard output in ACP mode.","retrieval_nugget":"DeepSeek has published dsh-v0.2.1-rc.4, a pre-release of DeepSeek Harness that fixes diagnostics leaking into standard output in ACP mode. The change is small, but it matters when another client consumes the harness’s output as a protocol stream: operational messages and machine-readable output need separate channels.","published_at":"2026-10-28","updated_at":"2026-10-28","record_date":"2026-10-28","date_kind":"published_at","topics":["github"],"entities":["DeepSeek","DeepSeek Harness","dsh-v0.2.1-rc.4","ACP"],"related_patterns":["agent-protocols-become-interoperability-layer","harness-architecture-outlives-model-choice"],"novelty_label":"new_fact","what_changed":"The rc.4 release fixes diagnostics leaking to stdout in ACP mode, a new concrete fix beyond the prior rc.3 release.","prior_refs":["memory:ed6809cb-7b2a-8c40-a7f5-b9008c834dfe"],"source_url":"https://github.com/deepseek-ai/deepseek-harness/releases/tag/dsh-v0.2.1-rc.4","source_urls":["https://github.com/deepseek-ai/deepseek-harness/releases/tag/dsh-v0.2.1-rc.4"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5/","markdown":"https://newruntime.com/posts/deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5.md","json":"https://newruntime.com/posts/deepseek-harness-dsh-v0-2-1-rc-4-1b2ef5.json"},"next_reads":[{"type":"topic","path":"/topics/github/","url":"https://newruntime.com/topics/github/","title":"Github","reason":"Explore the github topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/github.md","json_url":"https://newruntime.com/topics/github.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}