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# Security Policy
If you believe you've identified a security vulnerability in Mastodon (a bug that allows something to happen that shouldn't be possible), you can either:
- open a [GitHub security issue on the Mastodon project ](https://github.com/mastodon/mastodon/security/advisories/new )
- reach us at < security @ joinmastodon . org >
You should _not_ report such issues on public GitHub issues or in other public spaces to give us time to publish a fix for the issue without exposing Mastodon's users to increased risk.
## Scope
A "vulnerability in Mastodon" is a vulnerability in the code distributed through our main source code repository on GitHub. Vulnerabilities that are specific to a given installation (e.g. misconfiguration) should be reported to the owner of that installation and not us.
## Supported Versions
| Version | Supported |
| ------- | ---------------- |
Bringing Hometown up to date with mastodon/mastodon (#1371)
This is a massive PR, so apologies for the poor performance viewing it!
This merges in the content of Mastodon 4.3.0. *This PR isn't ready to
deploy to production*, and I don't recommend trying it in a production
environment. Since I started by merging 4.3.0, this will likely have
reverted at least some of the content of the post-4.3.0 security patches
in the 4.2.x series; those will be brought back as I merge in 4.4.0 and
4.5.0.
I haven't yet tested this PR, so it may not actually run without
additional tweaks. I'm putting it up now for discussion and so multiple
people can test if we want.
---
Here's a few notes on things I ran into and thoughts I had while working
on it:
* We may want to look at `server_banner.jsx,` where I ended up undoing
the v3-style rewrite due to the new react component being used. I'm not
sure what the current goal for it is.
* I may not have 100% merged in all content from `status_action_bar`
correctly.
* There's a number of places where I updated the links for remote
usernames, and they should be tested to make sure they work. They're all
`<Permalink>` elements. I have in my notes that `status_content` might
need double-checking.
* I may also not have gotten the spoiler display right in
`status_content`.
* It looks like previous versions of Hometown had customizations to the
`media_item` display, not all of which was preserved as-is due to
surrounding rewrites. I'm not sure what the vision is and could use
another set of eyes.
* The character count rendering clashed with the newly-introduced
handling of a character count variable upstream, and I'm not sure if the
version I've got here 100% works or not.
* The navigation bar was completely rewritten and no longer has the
components Hometown was customizing; did I properly catch any
replacements? Did we handle all links to accounts to make sure they go
to the remote instance?
* Polls: I reverted the single/multiple choice toggle because upstream
has an actual proper UI for this that should be integrated in one of the
versions we’re merging in. Please double-check that the current version
looks fine to you.
* The font icons will need double-checking. Hometown made some custom
use of the font-awesome icons, while Mastodon 4.3.0 replaced
font-awesome with something else. I may not have caught all places that
font-awesome icons were being used.
* We’ll want to make sure the post display is correct, including
Hometown customizations, because the previous static post page has been
replaced with the React one.
---------
Co-authored-by: Claire <claire.github-309c@sitedethib.com>
Co-authored-by: Matt Jankowski <matt@jankowski.online>
Co-authored-by: Renaud Chaput <renchap@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: David Roetzel <david@roetzel.de>
Co-authored-by: Emelia Smith <ThisIsMissEm@users.noreply.github.com>
Co-authored-by: Jeong Arm <kjwonmail@gmail.com>
Co-authored-by: Christian Schmidt <github@chsc.dk>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: GitHub Actions <noreply@github.com>
Co-authored-by: Eugen Rochko <eugen@zeonfederated.com>
Co-authored-by: Darius Kazemi <darius.kazemi@gmail.com>
Co-authored-by: diondiondion <mail@diondiondion.com>
Co-authored-by: Echo <ChaosExAnima@users.noreply.github.com>
Co-authored-by: Shugo Maeda <shugo.maeda@gmail.com>
Co-authored-by: emilweth <7402764+emilweth@users.noreply.github.com>
Co-authored-by: Shlee <github@shl.ee>
Co-authored-by: Joshua Rogers <MegaManSec@users.noreply.github.com>
Co-authored-by: Jessica Stokes <hello@jessicastokes.net>
Co-authored-by: PGray <77597544+PGrayCS@users.noreply.github.com>
3 weeks ago
| 4.5.x | Yes |
| 4.4.x | Yes |
| 4.3.x | Until 2026-05-06 |
| < 4.3 | No |
