This PR formats `CONTRIBUTING.md` using Prettier.

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Resolves Incorrect Secret error in Secret Service integration

Closes #34024 

Release Notes:

- Fixed Secret Service integration sometimes producing `Incorrect
secret` error

This removes the `gemini-and-native` and `claude-code` feature flags.
Also, I removed a bunch of unused agent1 code that we do not need
anymore.

Initially I wanted to remove much more of the `agent` code, but noticed
some things that we need to figure out first:
- The inline assistant + context strip use `Thread`/`ContextStore`
directly
- We need some replacement for `ToolWorkingSet`, so we can access
available tools (as well as context server tools) in other places, e.g.
the agent configuration and the configure profile modal

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Please credit @eliaperantoni, for the original PR (#34136).
Merge after (#34060) to avoid conflicts.

Closes https://github.com/zed-industries/zed/issues/33838
Closes https://github.com/zed-industries/zed/issues/33906

Release Notes:
- Helix will no longer sometimes fall out into "normal" mode, will
remain in "helix normal" (example: vv)
- Added dedicated "helix select" mode that can be targeted by
keybindings

Known issues:
- [ ] Helix motion, especially surround-add will not properly work in
visual mode, as it won't call `helix_move_cursor`. It is possible
however to respect self.mode in change_selection now.
- [ ] Some operations, such as `Ctrl+A` (increment) or `>` (indent) will
collapse selection also. I haven't found a way to avoid it.

---------

Co-authored-by: fantacell <ghub@giggo.de>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

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The rodio channelcount convertor halves the volume. This addresses that
in most cases by using the default channelcount for the system
microphone which is usually 2.

A proper fix will follow later as part of the de-noising PR

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`echo` isn't a program on windows, so we need to spawn a shell that
executes it for the test

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Release Notes:

- Fixed task arguments being quoted incorrectly for nushell and
powershell

Co-authored-by: Piotr Osiewicz <piotr@zed.dev>

Part of reworking our installation handling to allow for multiple
different versions to be handled

Release Notes:

- Fixed pre-release lsp fetching setting not having an affect until
restarting Zed

Supersedes: #34500

Also this will allow to fix this: #35386 without the UX changes but
providers can now be control through settings as well within zed.

Just rebased the latest main and docs added. Added @AurelienTollard as
co-author as it was started by him everything else remains the same from
original PR.

Release Notes:

- Added ability to control Provider Routing for OpenRouter models from
settings.

Co-authored-by: Aurelien Tollard <tollard.aurelien1999@gmail.com>

When working on the git stash picker PR (#35927) I notice that my test
was detected as a binary file on the git diff view and on GitHub. This
was due to the fact that I was using the literal char \0 (instead of a
proper representation like `\x00` or `\u{0000}`) character in my test
strings. This causes problems with git diff and GitHub's diff viewer,
and a reviewer might even assume that the file is corrupted, not
viewable or even malicious.

Looking at the rest of the codebase, only at `crates/git/src/commit.rs`
this character was used, so I replaced it with `\x00` which is a more
common representation of the null character in Rust strings.

It can also be seen that the PR that introduced this code, can't be
viewed properly on Github:
https://github.com/zed-industries/zed/pull/27636/files#diff-31114f0b22306b467482573446f71c638277510b442a10e60dd9a8667ccd93c3

Closes #ISSUE

Release Notes:

- Use `\x00` representation instead of literal null character in strings
to improve compatibility with git diff and GitHub's diff viewer.

Since the file is not viewable from the "Files changed" tab on Github,
this is the changed code:


https://github.com/zed-industries/zed/blob/dcd743aca494ec0217a2d7751150ca9e456012f4/crates/git/src/commit.rs#L66-L74

Updates #19350

Release Notes:

- Add `pane::SplitAndMove{Up,Down,Left,Right}` to allow creating a split
without cloning the current buffer.

Also removed the symbolicate script, which we could replace with a
`minidump-stackwalk` wrapper that downloaded sources/unstripped binaries
from github releases if that's helpful for folks.

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<img width="598" height="311" alt="Screenshot 2025-09-11 at 9 39 12 PM"
src="https://github.com/user-attachments/assets/b526e648-37cf-4412-83a0-42037b9fc94d"
/>

This is for both ACP and the regular agent. Previously we would always
include the whole file, which can easily blow the context window on huge
files.

Release Notes:

- When `@mention`ing large files, the Agent Panel now send an outline of
the file instead of the whole thing.

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Taking over from #28314.

Part of https://github.com/zed-industries/zed/issues/4824

Co-authored-by: Paul Nameless <reacsdas@gmail.com>

Release Notes:

- Zed now respects git's `core.excludesFile` (~/.config/git/ignore) in
addition to .gitignore.

---------

Co-authored-by: Paul Nameless <reacsdas@gmail.com>

#37337 Made `AutoUpdateSetting` `FileContent =
AutoUpdateSettingsContent` which caused a deserialization bug to occur
because the field it was wrapping wasn't optional. Thus serde would
deserialize the wrapped type `bool` to its default value `false`
stopping the settings load function from reading the correct default
value from `default.json`

I also added a log message that states when the auto updater struct is
checking for updates to make this easier to test.

Release Notes:

- fix auto update defaulting to false

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- **Rename PythonLSPAdapter to PyrightLspAdapter**
- **ah damn**
- **Ah damn x2**

Release Notes:

- Python: Added built-in support for [ty](https://docs.astral.sh/ty/)
language server (disabled by default).

---------

Co-authored-by: Lukas Wirth <lukas@zed.dev>
Co-authored-by: Zsolt Dollenstein <zsol.zsol@gmail.com>
Co-authored-by: Cole Miller <cole@zed.dev>

#35053 split out these utility functions. I found the names / doc
comments a bit confusing so this improves that. Before that PR there was
also a mild inefficiency - it would walk the cursor all the way down to
a leaf and then back up to an ancestor.

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Enums with six or less fields can still use toggle groups by adding a
definition.

I also renamed the `OpenSettingsEditor` action to `OpenSettingsUi`

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### Background

Zed extensions use WASI to access the file-system. They only have
read-write access to one specific folder called their work dir. But
extensions do need to be able to *refer* to other arbitrary files on the
user's machine. For instance, extensions need to be able to look up
existing binaries on the user's `PATH`, and request that Zed invoke them
as language servers. Similarly, extensions can create paths to files in
the user's project, and use them as arguments in commands that Zed
should run. For these reasons, we pass *real* paths back and forth
between the host and extensions; we don't try to abstract over the
file-system with some virtualization scheme.

On Windows, this results in a bit of mismatch, because `wasi-libc` uses
*unix-like* path conventions (and thus, so does the Rust standard
library when compiling to WASI).

### Change 1 - Fixing `current_dir`

In order to keep the extension API minimal, extensions use the standard
library function`env::current_dir()` to query the location of their
"work" directory. Previously, when initializing extensions, we used the
`env::set_current_dir` function to set their work directory, but on
Windows, where absolute paths typically begin with a drive letter, like
`C:`, the [`wasi-libc` implementation of
`chdir`](https://github.com/WebAssembly/wasi-libc/blob/d1793637d8afcdc730408e7b6a19a050c3336ce7/libc-bottom-half/sources/chdir.c#L21)
was prepending an extra forward slash to the path, which caused
`current_dir()` to return an invalid path.

See https://github.com/bytecodealliance/wasmtime/issues/10415

In this PR, I've switched our extension initialization function to
*bypass* wasi-libc's `chdir` function, and instead write directly to
wasi-libc's private, internal state. This is a bit of a hack, but it
causes the `current_dir()` function to do what we want on Windows
without any changes to extensions' source code.

### Change 2 - Working around WASI's relative path handling

Once `current_dir` was fixed (giving us correct absolute paths on
Windows), @kubkon and I discovered that without the spurious leading `/`
character, windows absolute paths were no longer accepted by Rust's
`std::fs` APIs, because they were now recognized as relative paths, and
were being appended to the working directory.

We first tried to override the `__wasilibc_find_abspath` function in
`wasi-libc` to make it recognize windows absolute paths as being
absolute, but that functionality is difficult to override. Eventually
@kubkon realized that we could prevent WASI-libc's CWD handling from
being linked into the WASM file by overriding the `chdir` function.
wasi-libc is designed so that if you don't use their `chdir` function,
then all paths will be interpreted as relative to `/`. This makes
absolute paths behave correctly. Then, in order to make *relative* paths
work again, we simply add a preopen for `.`. Relative paths will match
that.

### Next Steps

This is a change to `zed-extension-api`, so we do need to update every
Zed extension to use the new version, in order for them to work on
windows.

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---------

Co-authored-by: Jakub Konka <kubkon@jakubkonka.com>

Release Notes:

- python: The Ruff native language server is now available without
installing an extension.

---------

Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>

Closes #37954

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We need a PAT to have permission to check team information. Also, the
COAUTHOR_TEMPLATES didn't feel quite right. Skipping this for now.

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---------

Co-authored-by: Cole Miller <cole@zed.dev>

From
https://github.com/zed-industries/zed/pull/37712#issuecomment-3281970712,
thank you @zywo

Release Notes:

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@maxdeviant We can eventually turn down the panic telemetry endpoint,
but should probably leave it up while there's still a bunch of stable
users hitting it.

@maxbrunsfeld We're optimistic that this change also fixed the macos
crashed-thread misreporting. We think it was because the
`CrashContext::exception` was getting set to `None` only on macos, while
on linux it was getting a real exception value from the sigtrap. Now
we've unified and it uses `SIGABRT` on both platforms (I need to double
check that this works as expected for windows).

We unconditionally set `RUST_BACKTRACE=1` for the current process so
that we see backtraces when running in a terminal by default. This
should be fine but I just wanted to note it since it's a bit abnormal.

Release Notes:

- N/A

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

Closes #25854

You can now drag-and-drop on the remaining space in the project panel to
drop entries/external paths in the last worktree.


https://github.com/user-attachments/assets/a7e14518-6065-4b0f-ba2c-823c70f154f4

Release Notes:

- Added support for drag-and-drop files and external paths into the
empty space of the project panel, placing them in the last folder you
have added to the project.

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A very primitive attempt, we just key the editor with the locations and
re-use the editor if we open a new buffer with the same initial
locations and title.

Release Notes:

- Added reusing of reference search buffers when applicable

Follow up on https://github.com/zed-industries/zed/pull/37786

adds conditional cmp removing use of libwebrtc on windows/freebsd

They cant compile livekit yet. This removes microphone and echo
cancellation on those platforms however they can not join calls due to
the same cause so it does not matter.

Documentation and error handing improvements

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---------

Co-authored-by: Richard <richard@zed.dev>

Part of https://github.com/zed-industries/zed/issues/37720

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Last time MultiLspQuery was used in Zed was 0.201.x and Nightly is of
0.205.x version, hence it's time to clean up the old code.

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Follow-up of https://github.com/zed-industries/zed/pull/37919

This fixes an issue where the placeholder text in editors would not wrap
properly in cases where the font size was changed.

Before:


https://github.com/user-attachments/assets/479c919f-5815-4164-b46d-75f31b5dc56f

After:


https://github.com/user-attachments/assets/9f63ab9f-eac2-4f3e-864c-2b96b58f2d71


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Closes #36109 

Adds an additional option to `search` and `update_matches` to specify
whether the update should affect the search history.

Release Notes:

- Fix navigating buffer search history

Closes #37965

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Tasks are still disabled as there seem to be more issues with it

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Closes #36491

This issue is caused by the Python language configuration treating
compound statements (such as for loops and if statements) that end with
an inline comment as not requiring an increased indent.

Release Notes:

- python: Correctly indent lines starting the blocks (for, finally, if,
else, try) that have trailing comments.

This fixes a minor issue where we would show "Removing extension ..." in
the status bar when we would actually be installing it.

Release Notes:

- Fixed an issue where installing a dev extension would show the
installation status as "removing" in the activity indicator.

Closes #37980

There seems to be no reason to hard limit this to 1, and we even have
existing UX for this case already:

<img width="1530" height="748" alt="Bildschirmfoto 2025-09-11 um 11 22
57"
src="https://github.com/user-attachments/assets/d6498318-c905-4d3c-90ab-60e4f2bb6c48"
/>

(Notice the different arrows in the gutter area for single lines)

Hence, allowing the value to honor the request from the issue

Release Notes:

- Allowed `0` as a value for the `excerpt_context_lines` setting

Added configuration instructions for Tailwind CSS language server.

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Closes #35623 

Previously if a base keymap had a `null` set to an action, leading to a
`NoAction` being assigned to the keymap, if a user wanted to take
advantage of that keymap (in this particular case, `cmd-2`), the keymap
binding check would favor the `NoAction` over the user, since
technically the context depth matched better. Instead, we should always
prefer the user's settings over whatever base or default.

Release Notes:

- Fixed keymap precedence by favoring user settings over base keymap /
configs.

This PR moves the feature flag definitions to their own module so that
they aren't intermingled with the feature flag infrastructure itself.

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This PR removes the `llm-closed-beta` feature flag, as it is no longer
used.

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This will users to change the wording of the most recent commit,
something they might want to do if they realize they made a small typo
of some kind or if the formatting of their commit message is wrong, but
don't have any other changes they need to make.

Release Notes:

- Commit messages can now be amended in the UI without any other changes
needing to be made.

---------

Co-authored-by: Cole Miller <cole@zed.dev>