https://aitoolchain.io/tools/deepseek-harness New releases and features in DeepSeek Harness, tracked by The AI Toolchain. en Sun, 30 Aug 2026 13:37:53 GMT https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.2-alpha.1...dsh-v0.1.2-alpha.2 https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.2-alpha.1...dsh-v0.1.2-alpha.2 Sun, 30 Aug 2026 13:37:53 GMT DeepSeek Harness adds active reminders and schedules in session views, collapsed turn tails, and split usage/time stat pills in chat UI. • Surfaces active schedules in session views via the web UI. • Lists active reminders in the session header. • Collapses the turn tail into one clickable meta line in the chat UI. • Splits turn stats into separate usage and time pills, each opening a detail dialog, in the chat UI. • Reshapes the usage trigger as an icon-row pill in the chat UI. • Assigns CI coverage partitions by recorded file duration for faster targeted test runs. https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.1-rc.2...dsh-v0.1.2-alpha.1 https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.1-rc.2...dsh-v0.1.2-alpha.1 Thu, 27 Aug 2026 16:57:43 GMT DeepSeek Harness v0.1.2-alpha.1 adds optimistic message echo, provider-card extension slots, and reduced session persistence size. • Adds provider-card and footer extension slots in `ui-settings-models`, enabling third-party UI extensions in the models settings panel. • Reduces session persistence storage size (`dsh-session`, PR #3048), lowering disk footprint for long-running sessions. • Introduces optimistic submit echo in `ui-conversation`, rendering user messages instantly at the tail of the chat stream before server confirmation. • Migrates browser control in `subagent` to the Remote architecture, enabling browser operations to be routed through the Remote BFF layer. • Exposes directory picking through Remote in `workspace-controller`, making directory-picker operations available over the Remote RPC gateway. • Polishes the input trigger menu presentation in the web UI. Breaking changes: • The `apiproxy` package removes directory-picker RPCs (commit `6e40876` — `refactor(apiproxy)!: remove directory-picker RPCs`); callers that relied on those RPC endpoints must migrate to the Remote-based directory-picker. https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.1-rc.1...dsh-v0.1.1-rc.2 https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.1-rc.1...dsh-v0.1.1-rc.2 Fri, 21 Aug 2026 12:03:37 GMT DeepSeek Harness rc.2 unifies the image request pipeline, adds Files API upload reuse, and surfaces downscaled dimension metadata from read_image. • Adds `read_image` dimension reporting: the tool now reports downscaled dimensions and the coordinate scale factor when an image is resized before being sent to the model. • Introduces `file-store` with `MAX_CHAT_IMAGE_BYTES` (32 MiB) cap, upload deduplication, expiry-based invalidation, and quota-recovery batch cleanup for the DeepSeek Files API. • Unifies the 'master' and Files request image pipeline via `offloadRequestImagesWithPolicy`, consolidating how inline base64 and Files-API-referenced images are prepared for chat requests. • Expands the source upload envelope, allowing a broader set of image sources to be submitted through the unified pipeline. • Stores a deterministic canonical image encoding (versioned as `REQUEST_IMAGE_TRANSFORM_VERSION = 'request-image-v4'`) with preferred quality levels of 85 and 80, enabling stable cache and upload-index identity across requests. • Decouples files and stream timeouts in the DeepSeek adapter, using separate `deadline` and `idleWatchdog`/`timeoutOf` controls so a slow Files upload no longer races the stream timeout. https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.0-rc.8...dsh-v0.1.1-rc.1 https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.0-rc.8...dsh-v0.1.1-rc.1 Fri, 21 Aug 2026 06:21:44 GMT Adds vision model support, multi-line ask_user_question answers, smart markdown table sizing, and a structured index injection table. • Publishes the DeepSeek vision model via the `llm-deepseek` package, adding vision capability to the LLM layer. • Enables multi-line responses to `ask_user_question` in the web UI, allowing agents to receive longer free-text answers from users. • Sizes markdown tables by column count in the web UI, automatically widening wide tables past the standard column boundary. • Reveals wide-table scrollbars on hover in the web UI rather than painting them persistently, reducing visual clutter. • Adds a structured index injection table and client boot seams via the `webserver` package. • Preserves near-full cache-hit precision in the web layer. https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.0-rc.7...dsh-v0.1.0-rc.8 https://github.com/deepseek-ai/deepseek-harness/compare/dsh-v0.1.0-rc.7...dsh-v0.1.0-rc.8 Wed, 19 Aug 2026 15:11:50 GMT Adds durable Agent Teams runtime, multimodal DeepSeek LLM requests, bulk model-picker selection, bounded multi-query web search, and MCP support in the packaged Python runtime. • Adds durable Agent Teams runtime (feat(team)) enabling persistent multi-agent coordination across sessions. • Supports multimodal requests in the `llm-deepseek` provider, allowing image content alongside text in DeepSeek LLM calls. • Adds bounded multi-query web search, letting agents issue multiple search queries in a single web tool call with enforced query-count limits. • Adds MCP (Model Context Protocol) support in the packaged Python runtime. • Adds bulk model selection to the web UI model picker, enabling users to select multiple models at once. • Adds POSIX home-path abbreviation connection handling in the `ui-tool` layer. • Delivers subagent reports at the next agent step, improving subagent runtime report timing. • Adds file-open failure handling in the chat view, surfacing errors inline when attachments cannot be opened.