[Auto] [Update] Update recommended Spine export version to 4.2 for new official runtime

[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

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 of documentation changes:

The Spine extension was migrated from pixi-spine 4.0.4 to the official @esotericsoftware/spine-pixi-v7 (~4.2.116) runtime. I updated the Spine object page (docs/gdevelop5/objects/spine/index.md) to recommend exporting animations with Spine version 4.2 instead of 4.1, matching the new runtime. All other commits were UI polish, AI-mode UX tweaks, and internal/runtime refactors with no user-facing documentation impact.

Please review the changes carefully before merging.

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Project	Deployment	Actions	Updated (UTC)
gdevelop-wiki	Ready	Preview, Comment	Jun 18, 2026 9:43am