Nextcloud 30 support

[sunjam]

For internal testing and notes. Do not expect support!!!!!! Please do report testing issues here.
Release Schedule
Nextcloud 30 Milestones

• Deprecation and removal of PHP8.0 support server#36437
  • "Drop support with Nextcloud 29 if v28 still supported it"
• Nextcloud 27.1 Support #1810
• Nextcloud 28 support #1790
• Nextcloud 29 Support #1811

Nextcloud 30

	Date	Info
Daily	2024-07-11	Initial build to ensure builds/packaging/deployment works
Daily	2024-07-16	External API freeze (relevant changes for other teams and app devs, like OCP and REST)
Daily	2024-07-18
Daily	2024-07-23
Beta 1	2024-07-25	Feature freeze, base for screenshots for launch marketing
Beta 2	2024-07-30
Beta 3	2024-08-01
Beta 4	2024-08-06
Beta 5	2024-08-08
RC 1	2024-08-15	String freeze
RC 2	2024-08-22
RC 3	2024-08-29
RC 4	2024-09-05
RC 5	2024-09-12
Final	2024-09-14	Nextcloud Conference 2024

Nextcloud 30
Date Info
Daily 2024-07-11 Initial build to ensure builds/packaging/deployment works
Daily 2024-07-16 External API freeze (relevant changes for other teams and app devs, like OCP and REST)
Daily 2024-07-18
Daily 2024-07-23
Beta 1 2024-07-25 Feature freeze, base for screenshots for launch marketing
Beta 2 2024-07-30
Beta 3 2024-08-01
Beta 4 2024-08-06
Beta 5 2024-08-08
RC 1 2024-08-15 String freeze
RC 2 2024-08-22
RC 3 2024-08-29
RC 4 2024-09-05
RC 5 2024-09-12
Final 2024-09-14 Nextcloud Conference 2024