What's new in MQLens

Features

• MONGODB-OIDC interactive browser login (#430) (#433)

Fixes

• preserve OIDC settings when duplicating profiles
• handle mongodb+srv:// URIs in SSH tunnel URI rewrite (#440) (#441)
• run tool detection off the async runtime
• stop late value echoes erasing typing in the shell and document editor
• release the activity log lock explicitly, not on last close
• wait out ETXTBSY when probing freshly written binaries
• stop late value echoes overwriting typed text
• keep kept-alive tabs in a fixed DOM order
• retry a local agent spawn refused with Text file busy
• retry the tool version probe on ETXTBSY
• let detached windows listen for events
• release the exported theme's blob URL after the download starts
• sync connection and tab refs inside the commit
• keep a settings file without an appearance unsaved
• quote non-identifier keys in printed values, as mongosh does
• stop single-line fields recursing on multi-line text
• save the first appearance change after a fresh install
• make cls and the banner update survive the session watcher
• print getIndexes() as index specs, not names wrapped in objects

Fixes

• count only Conventional Commits breaking markers as a major bump
• give each panel group its own id so kept-alive tabs don't share a layout (#392)

Features

• persist uncaught frontend errors to a crash log (#379) (#381)
• let a connection be tried before it has to be saved (#364)

Fixes

• bump sharp, svgo and js-yaml past open security advisories (#388)
• bump @tauri-apps/plugin-updater to 2.11.0 to match the Rust crate
• narrow the live-profile retarget race on save (part of #371) (#384)
• contain a tab render crash instead of blanking the app (#379) (#380)

Fixes

• resolve a managed mongosh for scripts, and cap their output (#360)
• rescroll to the active match when the console comes back
• copy a runnable prompt line, and hand off focus on keyboard tab activation
• hand focus to the grid's registered root, not the wrapper around it
• hold the selected match, mark real offsets, and focus the chosen tab
• scope the console find target, and hold the match when output lands
• register the whole console pane, and highlight what find counts
• let the console be selected, copied and searched
• run a pasted script as a program, not as typed input

Features

• keep recently used tabs mounted, budgeted per kind (#345)
• give each tab its own document edit
• show what a local agent ran, and let it use MQLens's own tools (#313)
• show the model's thinking, attach images, pick provider and model in the composer (#309)
• any OpenAI/Anthropic-compatible provider or local CLI, plus MCP agent instructions (#283) (#308)

Fixes

• ask for an external client's write wherever the user is (#354)
• keep the server enabled, on its port, with its token across restarts (#353)
• keep the grid mounted across a run (#347)
• keep the auth database and mechanism when reopening a connection (#351)
• run scripts to completion, and never leave the REPL waiting (#346)
• run scripts to completion, and never leave the REPL waiting
• recognise prompts by how they arrive, not how they look
• match markers by suffix, echo them as expressions, rewrite nothing
• decide a prompt on the next chunk, and stop only what Stop can stop
• keep the running command with the session, not the component
• let a running command outlive the shell that started it
• stop forwarding a renamed key once it has a shell of its own
• find a moved command by its identity, not by its key
• keep every rename edge, since a reused key can be renamed again
• keep table column widths across a query run
• list collections from servers that answer with less detail (#332)
• make select-all a selection the page can actually see (#331)
• make copying the JSON view yield what was selected (#330)
• guard the tab switches by value, not by a one-shot flag
• return to Results when a run loads documents
• stop the explain tab reopening on every later run
• follow OS mode changes, and keep rename its own colour
• give the global Monaco themes a single owner
• theme the editor from config, and put status colours on tokens
• stop every keystroke re-rendering the results grid (#321)
• copy every row on select-all, not just the mounted ones
• measure selection boundaries that land on an element
• trim a rebuilt copy to the characters actually selected
• copy the whole JSON selection, not just the last screenful (#319)
• keep 64-bit integer literals exact instead of rounding them (#318)
• accept mongosh syntax in the filtered export query (#316)
• run regex queries carrying a /g flag instead of rejecting them (#315)

Features

• find within the loaded results with Cmd/Ctrl+F (#279) (#280)
• durable local activity logging (#272) (#274)
• add persistent tab colors
• improve collection tab identification
• add Simplified Chinese (#265)
• let a locale have its own script and its own plural forms

Fixes

• keep a reason when a refused rotation leaves auditing inactive
• unwind a failed append, and hold the lock through key rotation
• handle russh 0.63's widened host-key callback
• replace deprecated Array::from_slice, and unit-test the crypto
• patch 6 Rust advisories, pin the last actions, drop the blanket write
• keep the Gemini key out of the URL and bump nanoid
• share the grid's syntax colours with the document editor (#278)
• apply field-level updates so a projected edit keeps other fields (#275) (#276)
• let the Query field show the whole query
• let a catalog carry an exact-zero plural override
• guess nothing from an undetermined language tag
• survive a device tag that names no language
• parse language tags instead of guessing subtags by length
• reach a Chinese catalog from a bare tag, and check the forms only one language has

Fixes

• keep MongoDB's object names in German (#261)

Fixes

• stop every packaged query failing on an undefined parser

Features

• live change-stream tail viewer (#190) (#251)

Fixes

• keep zero-width joiners, and translate our own parse errors (#254)
• accept queries pasted from a browser, chat or document (#253)
• dompurify 3.4.12 -> 3.4.13 for a DOM-clobbering XSS advisory

Features

• persist AI Helper history per collection with retention setting (#235)
• keep the mongosh session alive across tab switches (#241)
• add Close Tab, Close Others and Close to the Right (#242)
• persist results view mode and page size per tab (#239)
• persist results view mode and page size per tab
• complete German localization (#236)
• internationalization with English and German (#123) (#234)
• preserve AI helper chat and open state per tab #221
• roomier Query field, Options disclosure, and editor text that scales

Fixes

• stop guessing which conversation a tab wants, and keep chats in their own scope (#246)
• keep a moved tab's session, and free its pending start on close (#244)
• patch 8 Dependabot advisories (undici, postcss, russh)
• keep AI helper replies and panel width across tab switches (#237)
• explain a handshake close instead of a bare timeout
• keep table header aligned with the body when columns overflow
• upgrade russh 0.61 -> 0.62.4 for three SSH client advisories
• patch 5 Dependabot advisories (postcss, sharp, svgo, dompurify, quinn-proto)
• copy ObjectId as hex and Date as ISO, not the EJSON wrapper
• address PR #222 review — precision, non-object gating, quoted-key completion, Buffer
• overhaul the query bar — shell syntax, smarter editor, cleaner UX

Features

• add uniqueCollectionTabId helper for duplicate collection tabs
• duplicate collection tab and force-new-tab open path
• open collection in new tab via menu and double-click

Fixes

• multiple tabs per collection (#206) (#207)
• refresh all duplicate collection tabs after import/generate
• gate cold double-click, rebind export source, guard duplicate parse
• scroll the tab strip horizontally when tabs overflow

Features

• support multi-URI JSON import/export with folder structure #115 (#201)
• production safeguards — read-only & confirm-destructive connection modes (#188) (#203)
• connection mode field on profiles and live connection meta
• central write guard blocking non-destructive writes on read-only connections
• typed-name confirmation for destructive ops on safeguarded connections
• connection mode gates MCP write tools ahead of the confirm gate
• read-only banner and sidebar mode badge
• disable write actions in the UI on read-only connections
• data generation — seed collections with realistic fake documents (#91) (#202)
• data generation template engine
• schema-seeded template inference and preview
• cancellable background generation task over the import insert path
• generate tab kind with sidebar entry points
• generate view — builder, preview, confirm, inline progress
• MCP server — drive MQLens from Claude Code and Cursor (#98) (#200)
• MCP server lifecycle state and settings commands
• MCP streamable HTTP endpoint with bearer auth and ping tool
• per-profile MCP opt-in flag
• MCP read tools over existing query seams
• MCP write tools behind explicit _confirm gate
• Settings MCP panel — toggle, token, client configs, call log
• detachable windows — multi-window workspace phase 3 (#97) (#199)
• window-scoped workspace ops — move-to-window, detach, window-closed
• workspace-changed broadcast and connection-meta registry
• multi-window event reconciliation — label-aware boot, foreign hydrate, cross-window dedupe
• detachable windows — spawn, close, move-to-window context menu (#97 phase 3)
• cross-window connection and pref coherence
• session restore — workspace persistence with one-click reconnect (#97 phase 2) (#198)
• workspace store model with camelCase document + snake_case ops
• workspace reducer in Rust — 1:1 port of the frontend layout ops
• workspace_get/workspace_apply commands with debounced persistence
• mirror workspace actions to the backend store with profile-keyed snapshots
• session restore — workspace wakes disconnected with one-click reconnect (#97 phase 2)
• split panes — multi-panel workspace phase 1 (#97) (#196)
• split panes — drag tabs to pane edges, resize, palette commands (#97 phase 1)
• Cluster Health monitor — replica-set status and replication lag (#114) (#177)
• replica-set status backend for the Cluster Health tab
• Cluster Health tab with replica-set members and replication lag
• cluster-health popover when hovering a connection in the sidebar
• cluster type (replica set, sharded, standalone) shown in cluster health
• richer cluster popover — connection, user, read preference, server version, refresh
• stats popovers for databases, collections, and indexes (#178) (#179)
• database, collection, and index statistics backend
• database, collection, and index stat cards
• stats popovers on database, collection, and index rows
• index usage stats and ESR index suggestions (#90) (#180)
• ESR index suggestion from COLLSCAN explain plans
• index size and usage cards in the index viewer
• one-click index creation from a COLLSCAN explain suggestion
• collection validation rules editor (#93) (#182)
• add collMod command builder for validation rules
• validation rules editor view
• add validation rules entry to collection context menu
• read collection validator and validation level/action
• apply collection validator via collMod
• open validation rules tab from sidebar
• register get_collection_options and set_validator commands
• side-by-side document diff (#92) (#181)
• add value equality and kind helpers for document diff
• diff flat documents into aligned left/right lines
• recurse into nested objects and arrays in document diff
• side-by-side document diff modal
• compare two documents side by side from the context menu
• side-by-side document diff (#92) (#181)
• add value equality and kind helpers for document diff
• diff flat documents into aligned left/right lines
• recurse into nested objects and arrays in document diff
• side-by-side document diff modal
• compare two documents side by side from the context menu
• collection validation rules editor (#93) (#182)
• add collMod command builder for validation rules
• validation rules editor view
• add validation rules entry to collection context menu
• read collection validator and validation level/action
• apply collection validator via collMod
• open validation rules tab from sidebar
• register get_collection_options and set_validator commands
• index usage stats and ESR index suggestions (#90) (#180)
• ESR index suggestion from COLLSCAN explain plans
• index size and usage cards in the index viewer
• one-click index creation from a COLLSCAN explain suggestion
• stats popovers for databases, collections, and indexes (#178) (#179)
• database, collection, and index statistics backend
• database, collection, and index stat cards
• stats popovers on database, collection, and index rows
• Cluster Health monitor — replica-set status and replication lag (#114) (#177)
• replica-set status backend for the Cluster Health tab
• Cluster Health tab with replica-set members and replication lag
• cluster-health popover when hovering a connection in the sidebar
• cluster type (replica set, sharded, standalone) shown in cluster health
• richer cluster popover — connection, user, read preference, server version, refresh

Fixes

• guard aggregation $out/$merge and mongosh shell; enumeration cross-check (#188 review)
• disable Create Index suggestion button on read-only connections
• retry the tool-install version probe to tolerate transient exec failures
• enum-seeded $pick preserves the source field's numeric and boolean types
• clear generate task tracking on completion and close; valid default pick values
• evict generate task tracking on close_many as well as close_tab
• builder⇄raw fidelity, run-while-running guard, inline-progress focus (#91 review)
• explain denylist, agent-connection visibility, constant-time auth (#98 review)
• seen-gate keyed by connection id — teardown race with concurrent same-profile connects
• stateless tree-scan id minting — StrictMode-safe, matches the Rust reducer (#197)
• bystander semantics for foreign events; unmirrored tabs survive reconcile; StrictMode-safe listeners
• skip empty tab context menu; README detachable-windows bullet
• main-close quits, connection seeding for new windows, spawn resilience (#97 phase 3 review)
• explicit null clears persisted tab state fields across the serde boundary
• mirror ops translate to profile-space ids so the backend store survives real restarts
• reconnect reuse + no-op mirror gate + workspace.json validation (#97 phase 2 review)
• no-op mirror gate trial run no longer advances pane id counters
• empty panes persist across unrelated tab closes
• tab-strip drops no longer bubble into pane split zones
• pane-scoped export handlers, foreign-drag guard, palette gating (#97 review)
• down replica-set members show n/a lag instead of an epoch-sized number
• sidebar health popover closes on Escape, outside click, and row change
• cluster-health popover opens at the cursor position
• cluster popover sizes to content so member hosts are never truncated
• cluster popover shows the member's real state label and polishes the set-name styling
• widen the cluster popover card
• reuse the existing formatBytes helper and extend it past TB
• remove native title tooltips from sidebar and fix Import URI dropdown z-index
• ESR suggestions work on real-server $and explains; demoable COLLSCAN in mock
• index suggestions require a real COLLSCAN and skip non-indexable operators
• validation rules menu only on real collections; success banner clears on edit
• validation rules hidden on time-series collections; BSON round-trip regression test
• re-running a query clears the armed compare selection
• O(1) container re-tag in the diff engine; open diff survives background refresh
• document diff compares Timestamp, Long, and Decimal128 exactly instead of via lossy doubles
• re-running a query clears the armed compare selection
• O(1) container re-tag in the diff engine; open diff survives background refresh
• document diff compares Timestamp, Long, and Decimal128 exactly instead of via lossy doubles
• validation rules menu only on real collections; success banner clears on edit
• validation rules hidden on time-series collections; BSON round-trip regression test
• ESR suggestions work on real-server $and explains; demoable COLLSCAN in mock
• index suggestions require a real COLLSCAN and skip non-indexable operators
• remove native title tooltips from sidebar and fix Import URI dropdown z-index
• reuse the existing formatBytes helper and extend it past TB
• down replica-set members show n/a lag instead of an epoch-sized number
• sidebar health popover closes on Escape, outside click, and row change
• cluster-health popover opens at the cursor position
• cluster popover sizes to content so member hosts are never truncated
• cluster popover shows the member's real state label and polishes the set-name styling
• widen the cluster popover card

Features

• Cluster Health monitor — replica-set status and replication lag (#114) (#177)
• replica-set status backend for the Cluster Health tab
• Cluster Health tab with replica-set members and replication lag
• cluster-health popover when hovering a connection in the sidebar
• cluster type (replica set, sharded, standalone) shown in cluster health
• richer cluster popover — connection, user, read preference, server version, refresh
• stats popovers for databases, collections, and indexes (#178) (#179)
• database, collection, and index statistics backend
• database, collection, and index stat cards
• stats popovers on database, collection, and index rows
• index usage stats and ESR index suggestions (#90) (#180)
• ESR index suggestion from COLLSCAN explain plans
• index size and usage cards in the index viewer
• one-click index creation from a COLLSCAN explain suggestion
• collection validation rules editor (#93) (#182)
• add collMod command builder for validation rules
• validation rules editor view
• add validation rules entry to collection context menu
• read collection validator and validation level/action
• apply collection validator via collMod
• open validation rules tab from sidebar
• register get_collection_options and set_validator commands
• side-by-side document diff (#92) (#181)
• add value equality and kind helpers for document diff
• diff flat documents into aligned left/right lines
• recurse into nested objects and arrays in document diff
• side-by-side document diff modal
• compare two documents side by side from the context menu

Fixes

• down replica-set members show n/a lag instead of an epoch-sized number
• sidebar health popover closes on Escape, outside click, and row change
• cluster-health popover opens at the cursor position
• cluster popover sizes to content so member hosts are never truncated
• cluster popover shows the member's real state label and polishes the set-name styling
• widen the cluster popover card
• reuse the existing formatBytes helper and extend it past TB
• remove native title tooltips from sidebar and fix Import URI dropdown z-index
• ESR suggestions work on real-server $and explains; demoable COLLSCAN in mock
• index suggestions require a real COLLSCAN and skip non-indexable operators
• validation rules menu only on real collections; success banner clears on edit
• validation rules hidden on time-series collections; BSON round-trip regression test
• re-running a query clears the armed compare selection
• O(1) container re-tag in the diff engine; open diff survives background refresh
• document diff compares Timestamp, Long, and Decimal128 exactly instead of via lossy doubles

Features

• distinct sidebar icon for time-series collections (#137)
• guided mongosh detection on the shell's failure card
• SSH tunnel authentication via the system ssh-agent

Fixes

• mongosh detection cannot hang on a wedged binary; re-picking the configured path retries the session
• detect fake-tool spawn via any post-Starting message, not phrase matching
• tool tasks complete promptly when a grandchild holds the stderr pipe

Features

• import and export connection URIs via clipboard or file with secret redaction
• dump and restore tabs with guided MongoDB tool setup and managed installs
• improved import export (#164)
• BSON and NDJSON file import and export
• export filtered query results (find filter or aggregation) (#158)
• complete GridFS upload, delete, and bucket management (#156)
• copy databases and collections across clusters or between databases

Fixes

• pinned-item auto-connect no longer dead-ends before profiles load
• purge dead processes from the resource monitor's retained sysinfo System

Fixes

• run query on Enter and fix completion quote insertion

Features

• add keyboard shortcuts reference in Settings (#132)
• show UI zoom percentage in footer status bar

Fixes

• graceful updater offline behavior and connectivity feedback (#133)
• avoid hard-coded test passwords in user management tests
• add per-connection color tags with preset and custom picker
• preserve per-tab query editor state when switching collections
• reset query editor when switching collection tabs
• add sidebar search shortcut
• resolve CodeQL findings and document glib advisory
• use Node 22 for Astro 6 website builds

Features

• theme system, sidebar organization, and shell refresh (#116)
• SEO hardening — short titles, richer OG and structured data

Fixes

• render release-note markdown in the update dialog