# Lost Ark The Summer Extremes Release Notes - Product: Lost Ark (https://whatsnew.fyi/product/lost-ark) - Vendor: Smilegate RPG - Date: 2026-07-14 - Original notes: https://store.steampowered.com/news/app/1599340/view/685259198517217229 - Permalink: https://whatsnew.fyi/product/lost-ark/releases/2026-07-14-the-summer-extremes-release-notes What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **added** — Kazeros Raid Act 1 Extreme with three escalating difficulty tiers - **added** — Solo Mode for Kazeros Raid Act 4 and the Denouement - **added** — Matchmaking Mode for Serca with reduced difficulty and dynamic party scaling - **added** — Paradise Season 4 - **added** — Summer Night Festival - **added** — Summer cosmetics collection HEROES OF ARKESIA, The summer heat brings new challenges. The Kazeros Raid Act 1 Extreme will push your raid party to the limit across three escalating difficulty tiers. Solo Mode expands to Kazeros Raid Act 4 and the Denouement, and a new Matchmaking Mode lets you tackle Serca at a reduced difficulty with dynamic party scaling. Paradise Season 4 begins, the Summer Night Festival kicks off on Arkesia's shores, and a collection of summer cosmetics arrives in the store. Downtime will begin on July 15 at 12 AM PT (7 AM UTC) and is expected to last 6 hours. Read on for the full list of new content, events, store offerings, and other changes (https://www.playlostark.com/en-us/game/releases/summer-of-extremes).