What was accomplished

Story Preview

• ✨ Allow all story pages and grid layers to be rendered in preview mode #38030
• ✨ Enable stories to play when in preview mode #38121
• 🐛 Enable amp-video to play in preview mode #38149

amp story 360

• 🐛 Remove GL context handling #38144

Amp story captions

• Allow Players to get/set the captions state #37898
• Render video captions with amp-story-captions when in an amp-story doc and served from cache #37899
• Implement default, overridable CSS #37900
• ✨ style-preset attribute with styles #37967
• ✨ get and set captions state from viewer #38009

i18n

• Do not use concatenation in localizable UI strings #38060

amp story shopping

• 📖 documentation #37987
• 🌐 i18n "reviews" string capitalization description #38032
• 📖 CTA casing in docs. Remove "draft" from doc metadata. #38119

amp-story-shopping

• Allow for a custom cta #38080
• Make call to action case consistent #38082

Story attachment

• 🐛 Fix cta-image=none showing link icon #38109

Story system-layer

• ✨ Add CC Icon that toggles captions #37884

amp-animation

• ✨ Adds a new attr that allows to override pan scaling factor. #37965

Others

• amp-story-cta-layer I2D #34450
• 🚀 amp-story: Use Services.urlForDoc instead of util functions #38026
• 🐛 amp-story-shopping does not display CTA if all tags are invalid and Fixes remote shopping data loading on refresh with page attachment open #38035
• 🌐 amp story shopping "Shop now" CTA casing #38096
• 🧪 Experiment: story auto advance and new cta button #38097
• 🐛 Move directories of md files for broken links (story-shopping, story-page-attachment, story-page-outlink) #38134
• Added the possibility to get page count to the story messaging api #38170

What's next

• amp story captions update docs #38146
• amp-video cache through amp-orig-src #37425
• Bad loading experience in Story: Flash of white between video poster and video playback #31358