qt: drop support for 5.11

5.11 support was in place to be aligned with debian Buster version. Buster is old stable for quite a while it doesn't feels relevant to keep supporting it. for reference debian Bulleyes ships 5.15, Ubuntu 20.04 ships 5.12 (and 22.04 -> 5.15)

Amongst the perks of using 5.12 as a minimal version:

• Qt JS engine is compatible ES6
• better touch/tap handler support
• 5.12 is a Qt LTS (5.11 wasn't)

changed milestone to %4.0

added Component::Interface: Qt label

added MRStatus::Reviewable label

I warmly welcome this change. At the same time, I think it would be a better idea to push for qml: prefer let & const over var in JS functions in a separate, consequent merge request as it would make this one simpler and it should still work.

resolved all threads

added MRStatus::Acceptable label and removed MRStatus::Reviewable label

added MRStatus::Accepted label and removed MRStatus::Acceptable label

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added 43 commits

• 4ed5266a...84aed97a - 40 commits from branch videolan:master
• b0f210dc - qt: set Qt minimal version as 5.12
• 4df18ea2 - qml: update import statements to require at least Qt 5.12
• 6fbf34d4 - qt: remove Qt 5.11 compatibility layer

Compare with previous version

enabled an automatic merge when the pipeline for 6fbf34d4 succeeds

merged

mentioned in merge request !3980 (merged)

mentioned in merge request !4903 (closed)