Release Notes:

- N/A

Removes the feature flag around listing and loading existing sessions
for external agents.

Release Notes

- acp: Expose session history for all external agents that support it.

Co-authored-by: Bennet Bo Fenner <bennetbo@gmx.de>

Release Notes:

- N/A *or* Added/Fixed/Improved ...

Allows cleaning up `open_tool_call_location` slightly

Release Notes:

- N/A *or* Added/Fixed/Improved ...

Reuses the new multi buffer api from
https://github.com/zed-industries/zed/pull/49349 for inlay hints

Release Notes:

- Reduced occasional stuttering coming from inlay hints in large
multibuffers

Currently, the next chunk is generated by traversing all characters of
the current folded chunk until a tab is found. Since we already have
bitmasks for characters and tabs, we can also propagate the newlines
bitmap from the rope and use it to make this computation O(1) in all
cases.

I haven’t run benchmarks yet.

Release Notes:

- N/A

## Summary

Comprehensive remediation of 146 documentation files to align with Zed's
documentation conventions and brand voice guidelines.

## Changes

### YAML Frontmatter
- Added `title` and `description` frontmatter to all docs missing it

### Settings UI Pattern
- Updated 48+ files to show Settings Editor before JSON examples
- Pattern: `Configure X in Settings ({#kb zed::OpenSettings}), or add to
your settings file:`
- Added `([how to edit](./configuring-zed.md#settings-files))` links for
JSON-only settings

### Brand Voice Fixes
- Removed exclamation points (command-palette, key-bindings, repl,
privacy-and-security, etc.)
- Simplified em dash chains to parentheticals (environment,
troubleshooting, agent-panel, etc.)
- Fixed marketing language (yarn.md intro, development/linux.md)

### Terminology Alignment
- `settings UI` -> `Settings Editor`
- `sidebar` -> specific panel names (Project Panel, Collab Panel)
- `directory` -> `folder` in non-technical contexts
- `workspace` -> `project` in non-LSP contexts
- `Command Palette` -> `command palette` (lowercase)

### Callout Standardization
- Converted various callout formats to standard `> **Note:**` pattern

## Related

Depends on conventions established in #49176.

Release Notes:

- N/A

Release Notes:

- N/A

Previously, clicking "Always allow for `cargo` commands" after running
`cargo build --release` would also silently permit `cargo run`
(arbitrary code execution), `cargo publish`, and any other cargo
subcommand. This was overly broad and did not match user intent.

Now the extracted pattern includes the subcommand when present, so the
button reads "Always allow for `cargo build` commands" and the pattern
`^cargo\s+build\b` only matches `cargo build` invocations — not `cargo
test`, `cargo run`, etc.

### How it works

- The second token is included in the pattern when it looks like a
subcommand (alphanumeric, hyphens, underscores, no leading `-`).
- When the second token is a flag (e.g. `ls -la`), only the command name
is used — the user sees "Always allow for `ls` commands".
- Single-word commands and path-like commands behave the same as before.

### Examples

| Command | Pattern | Button label |
|---|---|---|
| `cargo build --release` | `^cargo\s+build\b` | Always for `cargo
build` commands |
| `cargo test -p search` | `^cargo\s+test\b` | Always for `cargo test`
commands |
| `npm install` | `^npm\s+install\b` | Always for `npm install` commands
|
| `ls -la` | `^ls\b` | Always for `ls` commands |
| `ls` | `^ls\b` | Always for `ls` commands |
| `./script.sh` | *(rejected)* | *(no pattern button)* |

Release Notes:

- Agent: "Always allow" suggestions for terminal commands are now
subcommand-specific (e.g. "Always allow for `cargo build` commands"
instead of "Always allow for `cargo` commands").

This allows us to just pull requests that have the latest EP request
schema with the `predicted` boolean on events in the edit history.

Release Notes:

- N/A

This PR updates the CODEOWNERS file based on the current
team-membership-rules.yml in the codeowner-coordinator repo.

**Coverage:** 100% - all paths have an owner.

## ⚠️ Suggested Entries - Review Required

The following paths were assigned based on git blame analysis of team
members.
**Please verify these assignments are correct before merging.**

| Path | Suggested Team | Based On | Commits |
|------|---------------|----------|---------|
| `crates/git_graph` | developer-tools-team | Anthony Eid | 4 |
| `crates/open_path_prompt` | zed-dev-team | Joseph T. Lyons | 1 |
| `crates/platform_title_bar` | platform-team | Finn Evers | 1 |
| `crates/remote_connection` | ecosystem-team | Piotr Osiewicz | 1 |
| `crates/shell_command_parser` | ai-team | Richard Feldman | 1 |
| `crates/sidebar` | ui-team | Danilo Leal | 1 |

These entries are marked with `# SUGGESTED` comments in the CODEOWNERS
file.
If incorrect, update `team-membership-rules.yml` in the
codeowner-coordinator repo.

Release Notes:

- N/A

---
_This PR was auto-generated by the
[codeowner-coordinator](https://github.com/zed-industries/codeowner-coordinator)
workflow._

Co-authored-by: swannysec <11968319+swannysec@users.noreply.github.com>

Replace the generic folder icon next to thread entries in the workspace
sidebar with the actual agent icon (Claude, Zed Agent, Gemini, etc.) for
the active thread.

Release Notes:
- N/A

Co-authored-by: cameron <cameron.studdstreet@gmail.com>
Co-authored-by: Anthony Eid <hello@anthonyeid.me>

Release Notes:

- N/A *or* Added/Fixed/Improved ...

---------

Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>

Release Notes:

- Add `toggle` actions to all panels to toggle visibility

---------

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>

Some house-keeping on the UI crate; all of these were pretty much
unused, so we can take them out for the time being.

Release Notes:

- N/A

This removes trailing whitespace when getting the current version of the
extension, as we ran into some cases where a `\r` was added to that for
some reason.

Release Notes:

- N/A

The cache isn't needed, now that we have a better way of reducing
resource consumption (disabling worktree scanning), and it adds race
conditions.

Release Notes:

- N/A

- Defer syncing block maps from `set_companion`, eliminating some
redundant recomputations
- Emit one large multibuffer edit from `set_show_deleted_hunks` instead
of many small edits, to avoid bad case for block map

This cuts hangs roughly in half when toggling between views in a large
diff (1000 commits from the chromium repository).

<!-- Before you mark this PR as ready for review, make sure that you
have:
- [ ] Added a solid test coverage and/or screenshots from doing manual
testing
- [ ] Done a self-review taking into account security and performance
aspects
- [ ] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)
-->

Release Notes:

- Improved performance with large diffs when toggling between diff
views.

---------

Co-authored-by: Jakub Konka <kubkon@jakubkonka.com>
Co-authored-by: Lukas Wirth <lukas@zed.dev>

This saves some time spent reallocating inside `Editor::on_buffer_event`
for large multibuffers.

Release Notes:

- N/A

This fixes an issue where some changes that should trigger more checks
would go unnoticed.

Release Notes:

- N/A

Fixing a minor UI issue that regressed in
https://github.com/zed-industries/zed/pull/49038.

Release Notes:

- N/A

Release Notes:

- N/A

Closes #49259

Release Notes:

- This change ensures that when the last visible collapsed directory is
selected, the selection remains on that directory.

We need more fetch depth here for the check, hence bumping this.

Also does a drive-by cleanup of the checkout step within xtask to make
this (hopefully) more intuitive to use.

Release Notes:

- N/A

<img width="435" height="211" alt="Screenshot 2026-02-17 at 1 32 48 PM"
src="https://github.com/user-attachments/assets/136c188d-5001-4526-961e-9f7faccc5f7a"
/>


Add support for the new Claude Sonnet 4.6 model across the anthropic,
bedrock, and language_models crates. Includes base, thinking, and 1M
context variants.

Closes AI-39

Release Notes:

- Added BYOK support for Claude Sonnet 4.6

This PR updates the `Edit Prediction Rated` event to be routed through
Cloud instead of the normal telemetry pipeline.

Closes CLO-224.

Release Notes:

- N/A

---------

Co-authored-by: Tom <tom@zed.dev>

## Summary
- refresh git auth headers before each per-crash iteration in
`background_agent_mvp`
- add guarded `git fetch`/`git checkout` handling so one candidate auth
failure doesn’t fail the entire run

## Context
- fixes the auth failure seen in workflow run 22106378719 (`fatal: could
not read Username for 'https://github.com'`)
- related Linear issue: BIZOPS-853

## Testing
- ruby -e "require 'yaml';
YAML.load_file('.github/workflows/background_agent_mvp.yml')"

Release Notes:

- N/A

Release Notes:

- N/A

Before this PR we wouldn't always serialize workspaces when a
mutliworkspace adds/removes a workspace. This PR fixes this by adding a
test and calling serialization in remove

Before you mark this PR as ready for review, make sure that you have:
- [x] Added a solid test coverage and/or screenshots from doing manual
testing
- [x] Done a self-review taking into account security and performance
aspects
- [ ] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)

Release Notes:

- N/A

Add `remove_worktree()` and `rename_worktree()` to the `GitRepository`
trait with `RealGitRepository` implementations that shell out to `git
worktree remove/move`.

Implement all 4 worktree methods (`worktrees`, `create_worktree`,
`remove_worktree`, `rename_worktree`) on `FakeGitRepository` backed by
`FakeGitRepositoryState`, with `simulated_create_worktree_error` for
test-time fault injection.

Add `set_create_worktree_error()` helper on `FakeFs`.

Add `parse_worktrees_from_str` helper and 7 new tests covering real git
operations and fake worktree lifecycle.

Closes AI-31

Release Notes:

- N/A

## Before

<img width="1596" height="230" alt="repro"
src="https://github.com/user-attachments/assets/d96d9bc4-cc46-4c11-8ac8-0051a1a51316"
/>

## After

<img width="1000" height="800" alt="error_message_wrapping"
src="https://github.com/user-attachments/assets/7553607a-2cbf-414d-9794-dbd6f3b0f9eb"
/>


Previously, error message text was overflowing and getting clipped
instead of wrapping when displaying long error messages (e.g. rate limit
errors in the agent panel).

Closes AI-38

Release Notes:

- Fixed long error messages (e.g. rate limit errors) being clipped
instead of wrapping in the agent panel.

This PR updates the `Agent Thread Rated` event to be routed through
Cloud instead of the normal telemetry pipeline.

Closes CLO-223.

Release Notes:

- N/A

Closes #ISSUE

Before you mark this PR as ready for review, make sure that you have:
- [ ] Added a solid test coverage and/or screenshots from doing manual
testing
- [ ] Done a self-review taking into account security and performance
aspects
- [ ] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)

Release Notes:

- Improved the behavior of the `vim: join lines` and `editor: join lines`. Comment and other language specific line prefixes are now stripped from the join line

Switches `newline_below` from adding a newline to the start of the next
line in a multibuffer, to appending a newline at the end of the
selections current lines. This keeps the insertion within the excerpt of
the selection rather than adding a newline to the excerpt below.

Closes #47965

Before you mark this PR as ready for review, make sure that you have:
- [x] Added a solid test coverage and/or screenshots from doing manual
testing
- [x] Done a self-review taking into account security and performance
aspects
- [x] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)

Release Notes:

- Fixed `editor::NewlineBelow` adding a newline to the next multibuffer
excerpt when selection is at the end of an excerpt

Add Kanayago as an available Ruby language server in default settings.
Disabled by default (prefixed with `!`), users can opt-in via their
settings.

This corresponds to the extension-side support added in
zed-extensions/ruby#224.

Release Notes:

- ruby: Added Kanayago as an available language server.

Release Notes:

- N/A

This brings the runtime down to logarithmic scaling of excerpts / linear
scaling of tokens.

Release Notes:

- N/A *or* Added/Fixed/Improved ...

Reverts the editor's paragraph navigation behavior that was changed in
#47734. Whitespace-only lines are now treated as paragraph boundaries
again for non-vim mode users.

Vim mode retains its own implementation where only truly empty lines
are paragraph boundaries.

Release Notes:

- Fixed editor paragraph navigation to treat whitespace-only lines as
paragraph boundaries again

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: dino <dinojoaocosta@gmail.com>

Release Notes:

- N/A

Release Notes:

- N/A

Also fixes batches upload

Release Notes:

- N/A

Update based on
https://platform.claude.com/docs/en/agent-sdk/overview#branding-guidelines

ACP package will be updated shortly.

Release Notes:

- acp: Claude Code is now referred to as Claude Agent, per Anthropic
branding guidelines.

Before you mark this PR as ready for review, make sure that you have:
- [ ] Added a solid test coverage and/or screenshots from doing manual
testing
- [x] Done a self-review taking into account security and performance
aspects
- [x] Aligned any UI changes with the [UI
checklist](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist)

Release Notes:

- N/A

Release Notes:

- Improved Bedrock error messages: region-locked models ask the user to
try a different region, rate limits and access errors are reported
cleanly instead of as raw API responses
- Streamlined Bedrock model list to 39 curated models
- Fixed API errors when using non-tool models in agent threads

---------

Co-authored-by: Ona <no-reply@ona.com>

It now creates multi-turn conversation, where first two messages are the
original teacher prompt and output.

This way, we'll have changes in teacher prompt automatically applied to
repair without having to explicitly sync them.


Release Notes:

- N/A

Release Notes:

- N/A

Closes #49081

Release Notes:

- N/A

Other changes:
- Changed tokenization to more code-aware tokenization from split-commit
- Fixed word-diff implementation which was inefficient and sometimes
incorrect

Release Notes:

- N/A

Release Notes:

- N/A

Closes #49067

See https://github.com/zed-industries/notify/pull/2 for more details

Note: notify already fixed this upstream, and I'm planning on using
their crate as our dependency once their v9 is officially released.

Release Notes:

- Fix panic that could occur when navigating external code