WIP

New Features

• Preview Live Controls to dynamically change component preview state and see component rendered in various ways (#9776, #9772, #9766)
• Bit MCP Server to better integrate Bit with your AI agent of choice (#9779, #9778, #9777, #9743, #9744, #9742, #9740, #9738, #9737, #9736, #9735, #9733, #9732, #9731, #9730, #9727, #9726, #9725, #9719, #9716, #9712, #9711, #9710, #9707, #9706, #9704, #9699, #9788, #9784, #9799, #9840)
  • Run bit mcp-server setup and bit mcp-server rules to add config and instructions (consult with --help on file location and Agent support)
  • --consumer-project for both setup and rules to help consumers of components find and reuse components.
  • Your agent now has powers to help you create, reuse and maintain Bit components.
• Create a Git branch from a remote lane using bit lane import ... --branch (#9795)
• bit ci command to simplify and speed up CI executions (#9844, #9838, #9836, #9833, #9834, #9835, #9831, #9832, #9812, #9810, #9811, #9825, #9797, #9803)
• Initialize Bit in a "guest mode" when adding Bit to an existing project (#9824, #9787)
  • Interactive init process with bit init --interactive
  • Disable Bit's dependency management feature using bit init --external-package-manager (or using interactive)
  • Simplify dev-tools config

Improvements

• Simplify CLI output from bit link (#9802)

Performance

• Optimize build capsule creation for unmodified exported dependencies (#9820)

Bug Fixes

• Fix several issues when identifying which apps available in a workspaces (#9852, #9786)
• Fix an issue where comments weren't preserved in workspace.jsonc when configuration was updated (#9851)

Internal

• Update dependencies (#9857, #9818, #9842, #9809, #9793, #9792, #9789, #9785)
• Speed up Bit's CI (#9823, #9814, #9807, #9808, #9806, #9805, #9801, #9790)

WIP

WIP

Improvements

• Support npm alias in env.jsonc (#9728)
• Ability to delete snaps using bit delete --snap (#9701)
• Various UI/UX and CLI outputs updates (#9747, #9717, #9741)

Bug Fixes

• Fix an issue where moving a dependency from peer to dev didn't update the dependency (#9720)
• Fix an issue where bit start had an error when some envs didn't have the preview API implemented (#9702)
• Fix an issue where workspace policies weren't validated when adding a removed dependency (#9748)
• Fix an issue where component-not-found error was triggered incorrectly (#9705)

Internal

• Update dependencies (#9739, #9697)
• Fix --no-browser when running bit start in dev-mode (#9708)
• Fix lockfile generation when component from the workspace is in the dependency graph as a dependency (#9698)
• Prepare commands for MCP server (#9744, #9742, #9743, #9740, #9737, #9735, #9727, #9730, #9726, #9725, #9719, #9710, #9704, #9706, #9731, #9733, #9699, #9723, #9716, #9707, #9711, #9736, #9732, #9722, #9729, #9712, #9738, #9718, #9721, #9695, #9734)

Improvements

• Support semantic version ranges for components by adding a new componentRangePrefix property to dependency resolver in workspace.jsonc to define semver prefix (#9681, #9691)
• Allow dependencies to be installed from https/git urls (#9680)
• bit import ... --write-deps to write the dependencies of imported components to workspace.jsonc or package.json (#9682)

Bug Fixes

• Fix an issue where + sign was saved to component's package.json instead of actual resolved version (#9685)
• Fix an issue where preview content height was nto calculated correctly (#9684)

Internal

• Improve file watcher (#9686, #9683, #9678)
• Improve error logging for plugin loading issues (#9687)
• Change format of logging schema commands (#9675)
• Support saving flattened-dependencies as string[] instead of Object[] (#9679)
• Propagate runtime preview errors (#9676)
• Update dependencies (#9677)

Improvements

• Add test coverage report to test results (in supporting versions of the testers) (#9657)
• Add support for + policy in env.jsonc for version to be resolved from the workspace (#9641)
• bit install --add-missing-deps supports skipping unavailable packages with the --skip-unavailable flag (#9667) (#9667)

Performance

• bit start faster at handling many changes in components (#9668, #9651, #9655, #9642, #9670)

Bug Fixes

• Fix an issue where Bit mis-fired componentNotFound issue (#9671)
• Fix an issue where an API type wasn't named correctly in API Reference (#9673)
• Fix an issue where in some cases component size wasn't calculated (#9659)
• Fix an issue where bit env replace failed when env wasn't loaded (#9632)

Internal

• Update dependencies (#9664, #9666, #9660, #9637)
• Refactoring legacy code (#9640, #9639, #9638, #9636, #9635, #9654, #9658, #9559, #9650, #9644, #9665)
• Add integrities to dependency graph (#9574)
• Add trackMany API (#9661)
• Add more validations to deps-resolver aspect data before saving (#9648)

Improvements

• Improve API Reference and documentation (#9569)
  • Improved handling of internal and external type references
  • Better handling of inferred array types, generic types, and Promise types
  • Fixed type reference resolution for internal components
  • Added support for displaying examples in function documentation
  • Better code block extraction and formatting in JSDoc comments
  • Improved rendering of tuple types
  • Added external link icons for external type references
• Added prompt support to bit create command for interactive templates (#9610)
• bit snap natively supports publishing to privately hosted package registries (#9606)
• Introduce --json option to bit test and bit check-types commands to get results in JSON format (#9615, #9614)
• Improve various CLI outputs with more descriptive errors and messages (#9612, #9607, #9583, #9617, #9581)

Performance

• Dramatically reduce file system I/O to improve command execution time (#9604, #9590, #9591, #9598, #9596, #9589, #9586, #9568, #9588, #9578, #9577, #9572)

Bug Fixes

• Fix an issue where if a component had -preview in it's name, it caused component-preview-chunk to have incorrect name (#9622)
• Fix an issue where bit install didn't do proper validation on package name format (#9582)
• Fix an issue where when env.jsonc was modified, dependency cache wasn't cleaned (#9564)
• Fix an issue where SSR wasn't working on bit start in workspace nor on a Scope (#9585)
• Fix an issue where bit install failed during pnpm prune (#9573)
• Fix an issue where a default viewport property was set on all compositions (#9571)
• Fix an issue where not all component IDs were available in the workspace dependency graph (#9565)

Internal

• Update dependencies (#9594, #9593, #9592, #9527, #9528)
• Refactoring (#9619, #9579, #9584, #9587)
• Introduce "--limit" flag to limit the number of versions shown in the graph (#9603)
• getSchemas API to always return Schema[] (#9605)
• Replace incorrect uses of the term "localScope" with "workspace" (#9621)
• New API for debugging filesystem reads during commands (#9599)
• Add config-conflict data to the api/lanes/check-conflicts route (#9602)

Improvements

• Allow setting up per-workspace with --local option bit config set user.token xxx --local, or --local-track to have config in workspace.jsonc (#9557, #9555)
• Support VScode extension to produce a visual workspace graph for components (#9547, #9545)
• Allow for better control over component's package.json when running bit compile (#9530)
• Enable auto-formatting components before snap/tag with workspace.jsonc config (#9497)

  "teambit.defender/formatter": {
    "formatOnPreSnap": true
  }
  

• Simplify getting diff from a version it's parent with --parent. Instead of bit diff foo 0.0.1 0.0.2 you can bit diff foo 0.0.2 --parent (#9498)
• Improve various CLI/UI outputs and errors for better DX (#9507, #9502, #9506)
• Support syntax highlighting for .cjs and /mjs (#9492)

Bug Fixes

• Fix an issue where bit login didn't validate the token when it announced user is "logged in" (#9562)
• Fix an issue where sometimes in workspace UI you can't compare past version with current changes (#9549)
• Fix an issue where component data got mutated fix, avoid mutating scope aspects when loading a component from the workspace (#9551)
• Fix an issue where bit install picked up unrelated package.json and installed dependencies from them (#9554)
• Fix an issue where active component wasn't picked up correctly when URL had several query params (#9550)
• Fix an issue where getting out-of-memory during bit snap due to high number of concurrent add-dependencies-graph (#9475)
• Fix an issue where artifacts directory got into the generated component package (#9532)
• Fix an issue where bit start HMR failed (#9534)
• Fix an issue where running bit checkout reset --all to write removed components failed on a lane (#9533)
• Fix an issue where bit watch didn't re-compile modified components (#9523)
• Fix an issue where API-reference didn't pick up on exported types (#9512)
• Fix an issue where config-writer throws an error about failed generating config files after deleting node_modules (#9508)
• Fix an issue where bit server-forever failed on Windows (#9499)
• Fix and issue where plugin resolution path was incorrect and led to "file not found" errors (#9561)

Internal

• Update dependencies (#9483, #9539, #9522, #9525, #9521, #9526, #9485, #9486, #9490, #9520, #9535)
• Remove dependencies (#9484, #9536, #9538, #9519, #9501, #9518)
• Move to node 22.14.0 (#9548)
• Update component's envs for better suited compilation (#9503, #9529)
• Remove some internal circular components (#9537)
• Support no-op env, and env with no dev-services (#9504)
• Move NpmCiRegistry class from the repo to e2e-helper component (#9558)
• Refactoring (#9517, #9495, #9496, #9487)

Improvements

• Support maintaining multiple versions/branches on main-lane (#9362, #9345)
• Add Harmony templates to default workspace.jsonc (#9449)
• Allow checking out components where on a lane to quickly edit components (#9440)
• Improve bit import fallback strategy when importing components in a lane to try and get the component from its original scope (#9428)
• Improve various CLI/UI outputs and errors for better DX (#9421, #9420, #9458, #9472, #9419, #9343, #9408, #9392, #9377, #9358, #9355, #9347, #9354)
• Add sandbox mode for component preview in scope (#9366)

Bug Fixes

• Fix many edge cases for the env.jsonc ability to extend and use external env.jsonc files as dependencies (#9257)
• Fix an issue when running tag --build may not update build status correctly (#9477)
• Fix an issue where navigating in API reference had incorrect routes from failed to serialize of some node signatures (#9474)
• Fix an issue where component in a lane didn't get updates from the env, when the env in main (#9432)
• Fix an issue where sometimes Bit assumes a component is new (#9411)
• Fix an issue where during merge Bit may throw a "version not found" error (#9414)
• Fix an issue where after bit checkout user needed to run bit import (#9409)
• Fix an issue where after snap/tag some data on apps is not available (#9406)
• Fix an issue where some commands may fail when user decided not to send analytics (#9382)
• Fix an issue where env-url wasn't generated correctly when component modified in a lane (#9341)
• Fix an issue where sometimes bit install -a didn't work for new components (#9333)

Internal

• Better handling of internal scope cache (#9435, #9434, #9399)
• Improve handling of complex workspaces with various envs that compiled to multiple targets (ESM, CJS, etc) (#9400, #9415, #9402, #9397)
• Optimize preview entry point and handle different files (#9348, #9426)
• Set preview sandbox policy via API slot (#9454)
• Use pre-bundle in build (#9351)
• Ensure a single instance of @teambit/base-ui.graph.tree.collapsable-tree-node (#9391)
• Better handling of open ports (#9381)
• Update dependencies (#9334, #8900, #9335, #9338, #9361, #9367, #9376, #9412, #9371, #9401, #9370, #9353, #9473, #9398, #9452, #9386, #9461, #9471, #9465, #9467, #9464, #9466, #9462, #9459, #9457, #9445, #9450, #9448, #9444, #9446, #9443, #9447, #9442, #9453, #9433)
• Removed dependencies(#9342, #9369, #9210, #9456, #9455, #9375, #9416, #9423, #9422, #9418)
• Refactor legacy code to modern components (#9384, #9478, #9344, #9352, #9356, #9359, #9373)
• Remove unused code (#9437, #9439)
• Add missing exports to cli esm.mjs (#9385)
• Update env for core aspects (doctor, host-initializer) to the correct env (#9387)
• Fix circular between constant and global-config legacy components (#9470)
• Make the teambit.scope/objects component a core-aspect (#9441)
• Remove occurrences of v8 cache, which is not used anymore (#9390)
• Keep per-component lockfile (#9427, #9388, #9214, #9396, #9339)