Site Set and settings 

The recommended TYPO3 v13/v14 integration is the Site Set erhaweb/feed-display. Assign it to your site configuration to load the extension TypoScript and make the typed Site Settings available.

Backend path:

TYPO3 v13 TYPO3 v14
Site Management → Sites Sites → Setup

The Site Set files live in EXT:feed_display/Configuration/Sets/FeedDisplay/. Project-specific settings are stored by TYPO3 in config/sites/<site-identifier>/settings.yaml.

Example 

config/sites/<site-identifier>/settings.yaml 
plugin.tx_feeddisplay_pi1.settings.feedUrl: 'https://typo3.org/rss'
plugin.tx_feeddisplay_pi1.settings.maxFeedCount: 10
plugin.tx_feeddisplay_pi1.settings.dateFormat: 'd. F Y'
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Static TypoScript fallback 

The extension still ships EXT:feed_display/Configuration/TypoScript/ for projects that use TypoScript template records. Prefer the Site Set in new TYPO3 v13/v14 projects and avoid mixing both approaches unless the TypoScript record is deliberately used for project-specific overrides.