> For the complete documentation index, see [llms.txt](https://megacrush.gitbook.io/megacrush-unity-assets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://megacrush.gitbook.io/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide.md).

# What’s new? (Upgrade Guide)

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Version 2.0.0 is a major architectural rewrite. Please note that it is NOT directly compatible with prior versions. 
{% endhint %}

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[Upgrade Guide – 1.x → 2.0.0](/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide/upgrade-guide-1.x-2.0.0.md)
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[Upgrade Guide: 1.5.1 → 1.6.0](/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide/upgrade-guide-1.5.1-1.6.0.md)
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[Upgrading from 1.4.x → 1.5.0](/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide/upgrading-from-1.4.x-1.5.0.md)
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[Upgrading from 1.3.x → 1.4.0](/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide/upgrading-from-1.3.x-1.4.0.md)
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[Upgrading from 1.2.x → 1.3.0](/megacrush-unity-assets/runtime-spawner/runtime-spawner-user-manual/whats-new-upgrade-guide/upgrading-from-1.2.x-1.3.0.md)
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