TPL-CASSIOPEIA-001

Protostar fork

Cassiopeia (do not fork Protostar)

Cassiopeia is the Joomla 4+ site template. Forking Protostar keeps Bootstrap 2 forever.

Protostar forkCassiopeia + child template

Dies at Joomla 3 → 4J3: Removed — fatalJ4: Works nativelyJ6: Works nativelyBC plugin: no — already dead on J4Architecture change — no auto-fixTemplates

Symptoms people search

how do I replace protostar · Cassiopeia child

Replace this code

Swap Protostar fork for Cassiopeia + child template.

Joomla 3

Remove or stop calling this

Copy templates/protostar to templates/mytemplate

Joomla 4 / 6

Use this instead

Create a child of Cassiopeia. Put CSS in user.css. Overrides in html/.

How to fix it

  1. 1Start from Cassiopeia.
  2. 2Use a child template so core updates survive.

Also known as

Cassiopeia · child template · user.css

There is no 1:1 swap for this one. The architecture changed. If you cannot rewrite it, Infyways can.

Related issues

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