Skip to content

AG-41087 update kb about $header support in mv3 extension starting from v5.3 #789

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

AG-41087 update kb about $header support in mv3 extension starting from v5.3 #789

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
39ec111
AG-41087 update $header about support in mv3 extension starting from …
maximtop Nov 19, 2025
df38cef
Update docs/general/ad-filtering/create-own-filters.md
maximtop Nov 20, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 5 additions & 2 deletions docs/general/ad-filtering/create-own-filters.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -397,7 +397,7 @@ Basically, they just limit the scope of rule application.
| [$app](#app-modifier) | ✅ | ❌ | ❌ | ❌ | ❌ | ❌ | ❌ |
| [$denyallow](#denyallow-modifier) | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ |
| [$domain](#domain-modifier) | ✅ | ✅ | ✅ [*[1]](#domain-modifier-limitations) | ✅ | ✅ [*[1]](#domain-modifier-limitations) | ✅ [*[1]](#domain-modifier-limitations) | ✅ |
| [$header](#header-modifier) | ✅ | ✅ [*[2]](#header-modifier-limitations)| ❌ | ✅ [*[2]](#header-modifier-limitations) | ❌ | ❌ | ❌ |
| [$header](#header-modifier) | ✅ | ✅ [*[2]](#header-modifier-limitations)| ✅ [*[2]](#header-modifier-limitations) | ✅ [*[2]](#header-modifier-limitations) | ❌ | ❌ | ❌ |
| [$important](#important-modifier) | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ❌ |
| [$match-case](#match-case-modifier) | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| [$method](#method-modifier) | ✅ | ✅ | ✅ | ✅ | ❌ | ❌ | ❌ |
Expand Down Expand Up @@ -645,12 +645,15 @@ The modifier part, `":" h_value`, may be omitted. In that case, the modifier mat
[`$script`](#script-modifier) and [`$stylesheet`](#stylesheet-modifier). The rules with other modifiers
are considered invalid and will be discarded.

1. In AdGuard Browser Extension MV3, regular expressions in the `$header` modifier values are not supported.

:::

:::info Compatibility

Rules with the `$header` modifier are supported by AdGuard for Windows, AdGuard for Mac, AdGuard for Android, and AdGuard for Linux
with [CoreLibs] v1.11 or later, and AdGuard Browser Extension with [TSUrlFilter] v3.0.0 or later.
with [CoreLibs] v1.11 or later, AdGuard Browser Extension with [TSUrlFilter] v3.0.0 or later,
and AdGuard Browser Extension MV3 v5.3 or later.

:::

Expand Down