v2026.07.21.4

What's Changed

Internal

• Remove fully-rolled-out google_calendar_link feature flag by @gumclaw in #6062
• Update analytics help article for the new projection bar treatment by @gumclaw in #6064
• Serve .srt captions as WebVTT with centered cue settings (fixes iOS Safari right-edge captions) by @gumclaw in #6061
• Remove the entity info box from the download page by @gumclaw in #6070
• Remove churn_analytics_enabled feature flag (100% enabled and stable in prod) by @gumclaw in #6066
• Remove delete_account_forfeit_balance feature flag (100% enabled and stable in prod) by @gumclaw in #6079
• Remove career_pages feature flag (100% enabled and stable in prod) by @gumclaw in #6080
• Read EPUBs in the browser + nudge sellers to attach one by @gumclaw in #5952
• Replace analytics projection background bar with a single projected-total circle by @gumclaw in #6076

Full Changelog: v2026.07.21.3...v2026.07.21.4