[Auto] [Update] Update Spine object docs to recommend Spine version 4.2 for exports

[github-actions]

This PR was automatically generated by the Update docs from GDevelop commits workflow.

An AI coding agent analysed recent commits in 4ian/GDevelop
and updated the documentation to reflect user-facing changes.

GDevelop commits covered

185471546 Feedback when setting first scene (#8743)
83af7b607 Ai can set a scene as first (#8742)
79d10bfab Small improvements when object is renamed or created without asset (#8741)
f5ea28410 Better warnings when positioning instances with tools (#8738)
a83cdd49f Fix group variables not refreshing when selecting another group (#8739)
9cf324242 Fix being able to select fonts & atlas on iOS (#8736)
7df3a3b34 Improve Instance list panel design (#8573)
e325803a6 Adjust button icon/label spacings (#8731)
5fd50e592 Bump newIDE version
7785fd68c Fix 2D put instance tool stacking objects in some cases (#8732)
8881547ab [Auto PR] Update translations (#8729)
b584df4ce Fix Spine upgrade wrongly breaking require calls (#8730)
427890139 Fix textures broken because of wrong import (#8728)
83622d40b [Auto PR] Update translations (#8717)
be105771c multiple improvements of the UX of the AI unique mode (#8726)
c5c1901d3 Fix the type of variables added from the drop-down menu (#8725)
f6872bd7a Migrate Spine extension to @esotericsoftware/spine-pixi-v7 (#8595)
4c5ab584d handle Fulfilment problem report tool call (#8722)
dcc704761 Fix extra padding at bottom of some dialogs
429099981 Fix project loading when 2 extensions uses each other custom objects (#8711)
6044bd9f6 Allow hiding AI form in the New Project Dialog (#8719)
d1905f868 Fix allow to to add behavior parameters without needing to declare all capabilities in the extension editor (#8718)
26cfcdcf8 Fix invalid object parameter when copy-pasting a function from a custom object or behavior to the extension (#8721)
3fe88ca29 Fix expression type selector choices (#8720)
6ad57c0c8 Rework polling interval to introduce backoff (#8715)

The AI agent summary is:

Summary

The Spine extension was migrated from the pixi-spine runtime (which supported Spine 4.1) to the official @esotericsoftware/spine-pixi-v7 runtime (version 4.2). I updated the Spine object documentation's compatibility tip to recommend exporting animations from Spine version 4.2 instead of 4.1. The remaining commits (AI assistant UX, instance panel redesign, positioning warnings) are UI/internal changes not requiring doc updates.

Please review the changes carefully before merging.

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Project	Deployment	Actions	Updated (UTC)
gdevelop-wiki	Ready	Preview, Comment	Jun 20, 2026 9:16am