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Before updating or troubleshooting an old save, identify what you mean by 'progress.' The Update 1.3 notice says mid-mission checkpoint saves, including autosaves, from 1.22 and earlier are incompatible and the mission must be restarted. It separately says campaign progression, persistent fleet data, War Games progression, and settings/preferences remain compatible. Preserve the old file and plan to restart only the affected mission; do not equate a visible checkpoint with a lost campaign unlock.

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Homeworld 3 reading path

Before updating or troubleshooting an old save, identify what you mean by 'progress.' The Update 1.3 notice says mid-mission checkpoint saves, including autosaves, from 1.22 and earlier are incompatible and the mission must be restarted. It separately says campaign progression, persistent fleet data, War Games progression, and settings/preferences remain compatible. Preserve the old file and plan to restart only the affected mission; do not equate a visible checkpoint with a lost campaign unlock.

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Homeworld 3 Update 1.3: Which Campaign Progress Survives the Checkpoint Break?

Separate incompatible mid-mission checkpoints from campaign progress and persistent fleet data using the developer's explicit 1.3 compatibility notice.

Read the relevant guideHomeworld 3 Campaign: Check Whether You Control the Mission-End Trigger

On five specifically named missions, Update 1.3 added player-controlled mission endings; use the mission list and current objective state before assuming you can keep collecting resources.

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Homeworld 3 guides

2 articles
Homeworld 3 Update 1.3: Which Campaign Progress Survives the Checkpoint Break?

Separate incompatible mid-mission checkpoints from campaign progress and persistent fleet data using the developer's explicit 1.3 compatibility notice.

Updated November 7, 2026 · 3 min read
Read guide
Homeworld 3 Campaign: Check Whether You Control the Mission-End Trigger

On five specifically named missions, Update 1.3 added player-controlled mission endings; use the mission list and current objective state before assuming you can keep collecting resources.

Updated November 7, 2026 · 3 min read
Read guide

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