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Patch Notes Archive

MechWarrior Online Patch Notes History

MechWarrior Online is Piranha Games' BattleTech mech shooter; its October patch released the Perseus Booster Pack. Every major update below has a short summary, what it means for buyers where it matters, and links to the official notes.

Latest: October patch · ·1 patches tracked·Checked October 15, 2026
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  1. October patchLatest

    Perseus Booster Pack

    • October patch releases the Perseus Booster Pack (OmniMech upgrade of the Orion).
    • LRM weapon changes, quirk adjustments across Wolverine, Griffin, Sun Spider, Marauder and Nightstar, Sunder released for MC, and the 2026 Annual Rewards Program.
    Sources (1)

Read the full patch notes

Our summaries cover the changes that matter to players and buyers. For every line item, read the developer’s own notes.

MechWarrior Online official patch notes, October 20, 2026 →

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FAQ

What is the latest MechWarrior Online patch?

The latest update we track is October patch, Perseus Booster Pack, released October 20, 2026. The full list is on this page, newest first, and we re-check it regularly.

Where can I read the official MechWarrior Online patch notes?

The full notes are published by the developer: MechWarrior Online official patch notes, October 20, 2026. Each patch on this page also links the sources we used.

How far back does this MechWarrior Online patch history go?

It covers the major updates from October 20, 2026 onward, 1 patches in total. Small hotfixes are left out unless they change trading or buying.

We summarize from the developer’s announcements and name the outlet when a detail comes from a single report. Found an error or a missing patch? Tell us, and see our editorial policy.

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