We can introduce style to prevent page blink blank for a moment.

See merge request !491

See merge request !455

See merge request nexedi/slapos.core!478

See merge request !495

This is no longer guessed on Zope4

this way we can just assert the full page content

this does not depend on the details of the URL

See merge request nexedi/slapos.core!493

   .. on consistency table

See merge request nexedi/slapos.core!489

See merge request nexedi/slapos.core!490

Adding the whole top-level available IPv6 range to the local table
conflicts with tun/tap usage. Instead, add only the IPv6 subranges
actually allocated to a partition.

This was introduced in 081e745e and I don't see how it could have been
useful.

See merge request nexedi/slapos.core!494

    It was used on OrderBuilder_generateUnrelatedInvoiceList but the code dont relies on it anymore.

Only one line is used per document.
Using REPLACE is better than DELETE / INSERT.

No need for a multi column primary key, as only one line is used per object.
This will speed up update of the table.

See merge request nexedi/slapos.core!492

This is no longer guessed on Zope4

this way we can just assert the full page content

this does not depend on the details of the URL

This change is from zope4

An error slipped in 92da569e (slapos_jio: Drop Handlebars, 2022-06-08)