On January 23rd Google added two new guidelines to its SEO help document. One of them is the RSS feed for the Follow feature in Google Discover and the second is Updated the Images best practices to clarify that Google parses image
elements (even when they’re enclosed in other elements such as <picture>
elements) when indexing images. Also updated the alt text and filenames in the examples to be more descriptive.
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Google Image SEO Best Practices
Images is one of the best way of getting noticed. Users can quickly explore information with more context around images with new features, such as and image caption prominent badges and it will help you to lead more visitor and traffic to your site.
Google updated Image SEO Practices and indicated that you are image can found on the search if your follow the guideline. Google mentioned in its guideline Using semantic HTML markup helps crawlers find and process images. Google parses the HTML <img>
elements (even when they’re enclosed in other elements such as <picture>
elements) in your pages to index images, but doesn’t index CSS images.

Google Discover RSS FEED
Google updated points in its Discover RSS Feed Content under the Feed guidelines. Google mentioned
The most important content for the Follow feature is your feed <title>
element and your per item <link>
elements. Make sure your feed includes these elements.
What’s my take on Google Updated Image Best Practices and Discover RSS Feed
Google is promoting web Stories and you can found it under the Google discover section, So its great for the bloggers and Companies to drive more traffic to their content with the help of RSS FEED. And through Image Best practices your image can crawled by the google crawler and help you to rank better into the Search result.
Run and test these new updates and see what kind of results you are getting. Check out more Google Latest Documentation Updates.