Plone.app.i18n

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Internal:


- Update configuration files.
[plone devs] (de0ac4e7)

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Bug fixes:


- Final release.
[gforcada] (600)

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Breaking changes:


- Use SVG Flags in Language Selector
Update Markup in Language Selector
Prepare of use the Icon Resolver in Plone 6.
Drop Python 2 and Plone 5.2 support.
Pyupgrade, code style Black and Isort.
[1letter, jensens] (8)

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Bug fixes:


- Minor packaging updates. (1)

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Bug fixes:

- Fix tests with py3.
[pbauer]

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Bug fixes:

- Remove zopetestcase.
[ivanteoh, maurits]

- Add coding header to python files.
[gforcada]