feat(config): add icon options and align ionic theme with md defaults

[brandyscarney]

Issue number: internal

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What is the current behavior?

Several components use Phosphor Icons by default only for the ionic theme.

What is the new behavior?

• Removes the Phosphor Icon defaults for the ionic theme, instead replacing them with whatever icon md uses
• This reverts most of the code in 08fc0b9
• Phosphor Icon svgs can be set directly by any app consuming Ionic Framework using the config, or passed to ion-icon as a font.
• Adds the missing config properties for icons which were removed:
  • Checkbox: TODO
  • Refresher: refresherArrowIcon
  • Select Modal: selectModalCancelIcon

Does this introduce a breaking change?

• Yes
• No

The ionic theme is unreleased so none of what is being removed was ever in the public API. This is for the next major version of Ionic.

Other information

Previews:

• Accordion
• Back Button
• Breadcrumbs
• Checkbox
• Datetime
• Fab
• Input
• Input Password Toggle
• Item
• Menu Button
• Refresher
• Reorder
• Searchbar
• Select
• Select Modal
• Toggle

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Project	Deployment	Actions	Updated
ionic-framework	Ready	Preview	Sep 14, 2026 9:47pm UTC