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Changelog

Every new feature, improvement, and fix in Sim, the open-source AI workspace, with release notes straight from GitHub.

v0.8.54

Sep 22, 2026

Features

  • feat(api): expose organization access and usage operations

Bug Fixes

  • fix(files): stop promising immutable caching for documents compiled against other files
  • fix(knowledge): make connector syncs resilient to removed credentials, partial outcomes and slow completion counts
  • fix(workspace-files): keep the file-search claim on the ordered pending index instead of a hash join
  • fix(access-requests): clarify request navigation and empty states

View changes on GitHub

v0.8.53

Sep 22, 2026

Improvements

  • improvement(ui): centralize product colours in global CSS

Bug Fixes

  • fix(knowledge): bound source titles and tag values so an oversized index row cannot fail a connector sync
  • fix(knowledge): index the connector tombstone check so a sync stops scanning the whole document table

View changes on GitHub

v0.8.52

Sep 21, 2026

Features

  • feat(organizations): expose organization and permission group administration

Other Changes

  • chore(trigger): upgrade Trigger.dev to 4.5.16 so deploy images build without deleting node_modules
  • chore(ci): give the Trigger.dev upload job room for a slow image push

View changes on GitHub

v0.8.49

Sep 21, 2026

Improvements

  • improvement(tables): stop re-reading values the request already holds
  • improvement(tables): cut the DB round trips a table read and write spend on protocol
  • improvement(knowledge): count an unproven reach, read memos under the search deadline, and drop the dead search paths

Bug Fixes

  • fix(knowledge): keep the GIN ranking for the rest of a search once a page was handed to it
  • fix(knowledge): walk a large bounded set on the row before ranking it exactly
  • fix(db): index the keyword projection by document, and drop the unread binary ANN indexes

View changes on GitHub

v0.8.48

Sep 21, 2026

Features

  • feat(library): AI coding-agent benchmark: a reproducible test of debugging, test generation, and refactoring
  • feat(files): surface file versions in the File block and logs, with conditional writes
  • feat(confluence): index PowerPoint and Excel attachments
  • feat(memory): preserve Agent tool history with bounded context
  • feat(google-calendar): add RSVP operation to respond to invitations
  • feat(files): workspace file version history over the v2 API, CLI, and MCP

Improvements

  • improvement(knowledge): score the page on the original vectors, resolve a search's context once, and read identities off the walk
  • improvement(knowledge): read the source card with the result
  • improvement(knowledge): rank the vector page on the projection and admit searches in parallel
  • improvement(ui): reuse shared product status pages
  • improvement(knowledge): warm the search projection after its backfill
  • improvement(knowledge): page search results, take a custom date window, and rerank a person's search
  • improvement(knowledge): resolve connector and member state once per search
  • improvement(utils): add toArray and the scalar payload coercions
  • refactor(ui): share log and enrichment details panels
  • improvement(utils): adopt toRecord and toRecordOrNull over inline record coercions
  • improvement(utils): share escapeRegExp, compareStrings and isRecordLike
  • improvement(ui): reuse chip inputs for remaining settings fields
  • improvement(ui): centralize tab strip action geometry
  • improvement(ui): share sidebar row action buttons
  • improvement(copilot): refuse approval-gated tools on the in-band lane
  • improvement(ui): use existing 12px and 13px text tokens
  • refactor(ui): reuse EMCN chips for AI controls
  • refactor(ui): share image upload preview tiles
  • refactor(ui): reuse EMCN icons for simple product glyphs
  • improvement(knowledge): rank organization keyword search with Tin
  • improvement(knowledge): remember a caller's saturated search reach
  • improvement(knowledge): skip redundant document resurrection writes

Bug Fixes

  • fix(files,realtime): issue a revision on revert and stop resurrecting cleared cursors
  • fix(knowledge): apply the source and date filters inside a resolved scope's ranking
  • fix(knowledge): run the projection source/ACL backfill in the background instead of the deploy
  • fix(knowledge): retry the Tin projection after a database refuses the extension
  • fix(mcp): let the read tool carry a request body
  • fix(ui): align remaining editor dropdown styling
  • fix(ui): align editor subblocks and combobox styling
  • fix(settings): align credential groups with organization rollout
  • fix(copilot): stop returning generate_api_key plaintext on the in-band tool route
  • fix(realtime): validate cursor and selection presence payloads
  • fix(self-hosting): stop publishing Postgres and require POSTGRES_PASSWORD
  • fix(sso): require a session to list SSO providers
  • fix(api): refuse workspace keys and enforce personal_api_key.use on v1 audit logs
  • fix(chat): return 403 for inactive chats without writing an execution log
  • fix(ui): use defined status and interaction color tokens
  • fix(file-search): bound chunk inserts by trigram work
  • fix(slack-search): reuse manifest installation in setup
  • fix(files): file version history follow-ups
  • fix(knowledge): keep Slack searchable while its member crawl runs
  • fix(file-search): skip base64-dominated files and redact query errors from task failures

Other Changes

  • docs(library): update agentic-ai-coding-tools-what-they-are-and-how-the-top-options-compare
  • docs(library): update best-zapier-alternatives
  • docs(library): update openai-vs-n8n-vs-sim
  • docs(library): update best-zapier-alternatives
  • docs(library): update openai-vs-n8n-vs-sim
  • docs(library): update agentic-ai-coding-tools-what-they-are-and-how-the-top-options-compare
  • docs(blog): update enterprise

View changes on GitHub

v0.8.47

Sep 19, 2026

Features

  • feat(library): Best AI Agent Builders with MCP Support
  • feat(workflows): add model fallbacks to Agent, Evaluator, and Router
  • feat(mcp): Sim MCP server for the full Sim API
  • feat(access-requests): remove rollout flag and move feature into ee

Improvements

  • improvement(knowledge): rank inside the permitted set for organization search
  • improvement(knowledge): cache admitted usage checks on the search path
  • refactor(emcn): centralize product icon-button padding
  • refactor(emcn): centralize document file-type icons
  • refactor(emcn): centralize composer action button appearance
  • refactor(ui): centralize bulk-action buttons in EMCN
  • refactor(ui): remove styles already supplied by EMCN controls
  • refactor(emcn): share filled stop icon across chat controls

Bug Fixes

  • fix(file-search): avoid foreground GIN cleanup stalls
  • fix(knowledge): preserve live document processing during recovery
  • fix(knowledge): preserve live document jobs during recovery
  • fix(connectors): explain disabled settings with tooltips
  • fix(settings): stabilize group search and modal dropdowns
  • fix(traces): make trace backfills bounded and resumable
  • fix(connectors): save service account changes with source settings
  • fix(a11y): name icon-only buttons across product UI

View changes on GitHub

v0.8.46

Sep 18, 2026

Improvements

  • improvement(knowledge): match keyword chunks before authorizing them

Bug Fixes

  • fix(file-search): isolate and queue concurrent searches

View changes on GitHub

v0.8.45

Sep 18, 2026

Improvements

  • improvement(knowledge): stop consuming access batches once both overview probes saturate
  • improvement(knowledge): stop re-probing known indexing providers per access batch

Bug Fixes

  • fix(knowledge): recover vector candidates an HNSW post-filter discards
  • fix(ci): scope the CLI telemetry token to the build and publish steps
  • fix(file-search): stop cleanup starting a batch it cannot fund
  • fix(knowledge): store connector sync schedules at millisecond precision
  • fix(search): isolate unavailable Calendar accounts
  • fix(file-search): increase indexing worker memory

Other Changes

  • chore(db): tune document autovacuum for connector sync churn

View changes on GitHub

v0.8.44

Sep 18, 2026

Improvements

  • improvement(knowledge): instrument the search source overview and bound its probes

Bug Fixes

  • fix(knowledge): keep vector candidate selection bounded
  • fix(search): restore submission layout and delay filters
  • fix(search): preserve connector failure diagnostics
  • fix(file-search): seek the backfill cursor instead of rescanning each page

Other Changes

  • chore(db): drop unused ANN indexes on embedding

View changes on GitHub

v0.8.43

Sep 18, 2026

Improvements

  • improvement(file-search): publish complete indexes in bounded text chunks

Bug Fixes

  • fix(openai): preserve optional Responses tool inputs
  • fix(activity): keep unsuccessful tool labels neutral
  • fix(mailer): enforce Max access and preserve inbox resources on failure
  • fix(landing): repair public links and streamline landing previews
  • fix(knowledge): share compact vector retrieval across access scopes
  • fix(search): dock the search header after results arrive
  • fix(embeddings): preserve safe provider failure diagnostics

View changes on GitHub

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