This release contains a few accessibility improvements. For example, the default setting for the swiper has been changed so that automatic rotation is interrupted on mouseover. Please remember to adjust your swiper.html.twig templates accordingly if you want to benefit from this change. In addition, the tooltips in the back end have been made mobile-friendly. Various improvements for developers have also been implemented. In particular, the still experimental virtual file system has been further refined.
Changelog of the fixed issues in Contao 5.3.16:
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#7617
Deprecate
Controller::sendFileToBrowser()and add thepostDownloadhook to theUPGRADE.mdfile ( Toflar ) -
#7637
Check permissions on all operations in the
PermissionCheckingVirtualFilesystemdecorator ( m-vo ) - #7516 Use a listener to set the allowed element types ( aschempp )
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#7650
Enable
pauseOnMouseEnterin the Swiper template by default ( fritzmg ) -
#7660
Fix a type error in
CalendarContentVoter( fritzmg ) - #7639 Improve the template DX when overwriting variables ( m-vo )
- #7626 Improve the VFS extra metadata handling ( m-vo )
- #7012 Do not redefine existing fragments ( bytehead )
- #7622 Replace newlines in CSP headers ( bytehead )
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#7623
Fix an invalid array access in the
Model::cloneOriginal()method ( Toflar ) -
#7618
Add the missing
root--darkicon ( zoglo ) - #7583 Fix tooltips on mobile devices ( fritzmg )
- #7570 Do not save long file extensions during filesync ( fritzmg )
- #7555 Use the resource finder in the Twig template locator ( aschempp )
- #7527 Move fieldset legend padding to button ( fritzmg )
- #7553 Remove PDF remnants ( fritzmg )
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#7561
Fix a type error in
NewsContentVoter( fritzmg ) - #7537 Add a null check for a possible empty array ( bytehead )
About Contao 5.3 LTS
The first stable version of Contao 5.3 has been released on February 16, 2024, replacing Contao 4.13 as the long term support version. As an LTS version, 5.3 will be provided with bug fixes until February 14, 2027 and security-related updates until February 14, 2028. Contao 5.7 is the next LTS version of Contao and was released in February 2026, ensuring a smooth transition.
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