Honkai: Star Rail version 4.5, titled To Roll the Stars in Astropolis, takes the Astral Express to a new planet for a summer-themed story. The update also introduces two limited characters based on familiar Penacony figures.

Here are the expected maintenance and launch times, including the schedule for Australia, followed by the main additions arriving with version 4.5.
When does Honkai: Star Rail 4.5 maintenance begin?
Maintenance is scheduled to start on Tuesday, 25 August, or Wednesday, 26 August, depending on your location. The game is expected to be unavailable for about five hours.
- 3pm PDT, Tuesday, 25 August — west coast of North America
- 6pm EDT, Tuesday, 25 August — east coast of North America
- 7pm BRT, Tuesday, 25 August — Brazil
- 11pm BST, Tuesday, 25 August — United Kingdom
- 12am CEST, Wednesday, 26 August — western Europe
- 7am JST, Wednesday, 26 August — Japan
- 8am AEST, Wednesday, 26 August — Australia’s east coast

Players who want to use their fuel before the servers close can do so, although saving some may be worthwhile. The new battle pass begins when version 4.5 launches, bringing new materials and other farming opportunities.
For broader gaming and hardware coverage, visit the RETROCADE Arcade Blog.
When does Honkai: Star Rail version 4.5 launch?
Version 4.5 is expected to become available after maintenance at the following approximate times:
- 8pm PDT, Tuesday, 25 August — west coast of North America
- 11pm EDT, Tuesday, 25 August — east coast of North America
- 12am BRT, Wednesday, 26 August — Brazil
- 4am BST, Wednesday, 26 August — United Kingdom
- 5am CEST, Wednesday, 26 August — western Europe
- 12pm JST, Wednesday, 26 August — Japan
- 1pm AEST, Wednesday, 26 August — Australia’s east coast

These are estimates rather than guaranteed server times. Maintenance can finish early or run late, although extended downtime is uncommon and the service often returns within the announced window.
If you are planning a dedicated gaming setup, the Arcade Machine Buying Guide offers practical advice on choosing suitable hardware.
What is included in Honkai: Star Rail version 4.5?
The update’s summer setting arrives as a holiday begins in the game’s story. Version 4.5 adds special seasonal versions of two Penacony characters: Aventurine Waveflair and Robin Sumeretto.
- Aventurine Waveflair is a Quantum Nihility character.
- Robin Sumeretto is a Wind Remembrance character.

Hyacine and Ashveil are also returning in rerun banners, giving players another opportunity to obtain them if they missed their earlier appearances.
The patch’s headline event is a racing-themed activity. Taking part in its mini-game can award Stellar Jade and other upgrade materials.

For players who enjoy hands-on gaming spaces, RETROCADE also offers arcade machines, compact bartop arcades and arcade parts for customisation and repairs.



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