LanguageTool integration was added in LO 7.4 with core commit d952df361a5e190246d7a0738ae5347b82cd57b5 Instructions to set it up are available at: https://languagetool.org/insights/post/product-libreoffice/#how-to-enable-languagetool-on-libreoffice Issues with the extension ( https://extensions.libreoffice.org/en/extensions/show/languagetool ), which pre-existed the integration, should usually be reported at https://github.com/languagetool-org/languagetool/issues
Created attachment 198417 [details] Settings and error message
LanguageTool PRO does not work. There is always a timeout even by small documents. Last test: new Document with 14 words (93 characters). My system: MAC - macOS Monterey Version 12.7.6 Libre Office: Version 24.8.3.2 (X86_64) Settings and error message: see attachement