Breaking: #77180 - Dropped ExtJS support in Frontend TypoScript

See forge#77180

Description

The following TypoScript options

page.javascriptLibs.ExtJs
page.javascriptLibs.ExtJs.debug
page.inlineLanguageLabel
page.extOnReady
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have been removed.

Impact

Using the settings above will not include ExtJs and inline language labels anymore in the TYPO3 Frontend.

Affected Installations

Any installation using the shipped ExtJS bundle in the frontend.

Migration

Include ExtJS via page.includeJS manually if needed or migrate to another supported modern framework.