[Auto] [Update] Recommend Spine 4.2 export after migration to official spine-pixi-v7 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

83013656a Improve the editor typing (#8735)
b5c44d969 Fix possible crashes when serializing large projects (#8749)
c822d4f69 New simplified design for subscription dialog (#8744)
b0b5554d5 Better management of undo/redo and unsaved notification dot for ForEach, While, Comment, JavaScript and Group Events (#8751)
7860c22ec Fix initial value displayed for optional Boolean parameters with default value (#8748)
6bdddb561 Fix Tabs hover & drop not working all the time (#8746)
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:

Updated the Spine object documentation to recommend exporting with Spine version 4.2 instead of 4.1, reflecting the engine's migration from pixi-spine v4.0.4 to the official @esotericsoftware/spine-pixi-v7 (v4.2.x) runtime. All other commits were internal fixes, UI redesigns, or AI/editor improvements that don't warrant doc changes.

Please review the changes carefully before merging.

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Project	Deployment	Actions	Updated (UTC)
gdevelop-wiki	Ready	Preview, Comment	Jun 23, 2026 9:23am