[GeoNode-devel] Bootstrap 3 EOL

[Toni Schönbuchner]

Dear Devs,

we’re currently using bootstrap 3.4 (active LTS Start 2014-11-01) which has reached EOL.

https://github.com/twbs/release <https://github.com/twbs/release>
https://blog.getbootstrap.com/2019/07/24/lts-plan/ <https://blog.getbootstrap.com/2019/07/24/lts-plan/>

To stay up-to-date we should consider upgrading to version 4.

========================
Breaking Changes in Version 4
========================

A) 	LESS > SASS
Bootstrap 4 moved from LESS to SASS.

We would need to convert:
https://github.com/GeoNode/geonode/tree/master/geonode/static/geonode/less <https://github.com/GeoNode/geonode/tree/master/geonode/static/geonode/less>
https://github.com/GeoNode/geonode/tree/master/geonode/static/geonode/css <https://github.com/GeoNode/geonode/tree/master/geonode/static/geonode/css>

B)	Browser Support
Version 4 does not support Internet Explorer 8, 9, and iOS 6 anymore!

C)	Dropped Glyphicons
Bootstrap no longer includes Glyphicons. Instead, you’re advised to find your own favourites and include them in whichever way you see fit.
F.e.: https://useiconic.com/open/ or https://octicons.github.com/

==========
What we get
==========

- ! Security Fixes (XSS vulnerabilities pop up quite often) !
- Cards https://coreui.io/docs/components/cards/ <https://coreui.io/docs/components/cards/> (Could be useful for featured maps)
- A more advanced Grid System
- All JS Plugins use ES6
- Flexbox
- Reboot instead of Normalize.css
- Better Variable handling (Vars not split around severals files anymore)
- Rem instead of px. (more scalable)
- New breakpoints


Before opening a GNIP I would ask if there are voices against an upgrade?


Cheers,

Toni


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