Reference: Feature Flags
Quick lookup. For per-flag descriptions and usage see Configuration.
Active in 5.x
| Flag | Effect |
|---|---|
headless. | Route processed file URLs through frontend. |
headless. | On POST/PUT/DELETE, return just the element
matching response from the body. |
| `headless.overrideFluidTemplates | Swap View for
Headless. Required to render
raw-PHP templates per view. |
headless. | Per-site cookie injection middleware. |
headless. | Append ?<mtime> to processed-file URLs. |
headless. | JSON_ on every encoder output. |
Availability by version
|
Flag |
2.x |
3.x |
4.x |
5.x |
|---|---|---|---|---|
|
FrontendBaseUrlInPagePreview |
available |
removed |
removed |
removed |
|
headless.frontendUrls |
>= 2.5 |
available |
removed |
removed |
|
headless.storageProxy |
>= 2.4 |
available |
available |
available |
|
headless.redirectMiddlewares |
>= 2.5 |
available |
available |
removed (auto-on when EXT:redirects is installed) |
|
headless.nextMajor |
>= 2.2 |
currently not used |
currently not used |
removed |
|
headless.elementBodyResponse |
>= 2.6 |
available |
available |
available |
|
headless.simplifiedLinkTarget |
>= 2.6 |
removed |
not available |
not available |
|
headless.jsonViewModule |
not available |
>= 3.0 |
>= 3.0 |
removed (module discontinued) |
|
headless.workspaces |
not available |
>= 3.1 |
removed (auto-on with EXT:workspaces) |
removed (works without a flag) |
|
headless.pageTitleProviders |
not available |
not available |
>= 4.2.3 <= 4.4 |
removed |
|
headless.overrideFluidTemplates |
not available |
not available |
available |
available (reworked, see UPGRADE.md) |
|
headless.cookieDomainPerSite |
not available |
not available |
available |
available |
|
headless.assetsCacheBusting |
not available |
not available |
available |
available |
|
headless.prettyPrint |
not available |
not available |
available |
available |