DeepSeek Harness Versions and Release Notes
Find rc.2 model support and Search/Fetch API setup, current official Desktop downloads and historical releases.
On this page
The release candidate supports DeepSeek-V4.1-Flash-1017 and adds optional Search/Fetch APIs in Web search settings.
Read the rc.2 notes and setup steps →Current official Desktop downloads
Windows x64 · Apple Silicon
Files updated: · Links checked:
The download page links to the current official files and retains the September 24 installers as historical downloads.
View downloads and platforms →Historical npm reference
0.1.5-rc.1
Recorded check date:
Use this package version to interpret older guides; rc denotes a prerelease. Check npm's actual latest tag when installing or upgrading.
Inspect npm version tags ↗Historical source snapshot
0.1.5-rc.2 · c291e79
Snapshot date: 2026-09-10 · Recorded check: 2026-09-11
Use the pinned commit to inspect behavior at that time. Each guide's sources describe its scope.
Open pinned source ↗Release notes
Entries are ordered by publication date. Dates are recorded in UTC.
V4.1-Flash-1017 and optional Search/Fetch APIs
Release candidate with model support, Web search API settings and gateway setup steps.
Read release notes →Plugin menu refresh and failed-terminal retry fixes
Prerelease fixes for stale slash-menu skills after plugin toggles and repeated retries from failed terminals.
Read release notes →Upgrade startup and session-title recovery
Historical notes on startup and derived-cache recovery when upgrading from earlier builds.
Read release notes →Parent and child Agent follow-up messaging
Release notes covering send_message, model discovery and developer-facing changes.
Read release notes →Long-conversation and false-disconnect fixes
Historical changes to conversation rendering, queued images and connection handling.
Read release notes →Visible connection recovery and manual reconnect
An archived explanation of observable connection recovery and manual reconnect behavior.
Read release notes →Official versions and downloads
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