Versions (or Updates/Patches) are significant updates in Genshin Impact. Each version lasts 6 weeks or 42 days.
Versions are labeled through a sequence-based identifier versioning scheme which reflects change significance. Genshin Impact's version numbers follow the format of many other versioning sequences, incrementing the left-most number for major updates and the right-most number for bug fixes; for most 6-week version updates, the second number in the version tag is the one that is incremented. For very significant or large version updates, such as the introduction of a new primary region in Teyvat, the first number may be incremented instead.
The first patch in each version has the version number X.Y.0 and future patches (X.Y.1, X.Y.2, etc.) fix major problems with the game that require a client update through the Game Launcher or App Store.
All maintenances except for the Version 1.0.1 maintenance were scheduled to last 5 hours. The Version 1.0.1 maintenance was scheduled to last 4 hours. They usually start at 06:00 UTC+8. Compensation for maintenance is Primogem ×60 for each hour the server is down and the minimum compensation is determined by the expected maintenance duration (ex. scheduled 5 hour maintenance means at least Primogem ×300 even if it only last 4 hours). Sometimes bug fixes give a compensation of Primogem ×300.
One hour before maintenance, sliding banners will periodically appear in game at the top of the screen at 60, 50, 40, 30, 20, 15, 10, 5, 4, 3, 2, 1 minute intervals. The banner states:
Dear Travelers, Genshin Impact servers will be down for maintenance in about XXm. Please plan your game time and progress accordingly. For more details, see the in-game notice.
Version 1.0 is the only version that lasts longer than 6 weeks.
It is possible to remain within the game for a few minutes after the scheduled maintenance time, but the player will be returned to the title screen after.
Dear Traveler, the game servers will be down for maintenance at around XXm. After the maintenance, you will no longer be able to head to the island, so please plan your game progress to avoid missing out. For more details, please refer to the in-game announcement.