[5.4] upmerge 2025-08-05#45845

Merged

richard67 merged 7 commits intojoomla:5.4-devfrom

muhme:5.4-upmerge-2025-08-05

Aug 5, 2025

Commits on Jul 29, 2025

[5.3] Test description (#45804)
brianteeman
authored

Commits on Jul 31, 2025

adding bootstrap variables. (#45231)
hiteshm0
authored

Commits on Aug 1, 2025

Commits on Aug 5, 2025

[5.3] Fix languagefilter automatic language change redirection when SEF is enabled (#45583)
Flowman
authored
Merge remote-tracking branch 'upstream/5.3-dev' into 5.4-upmerge-2025-08-05
muhme
committed