Vertex Animation Textures, part 2, Godot Vertex Shader

This is the part2 of the VAT tutorial. Here I use the second channel of UVs and the position textures (VAT) created in Blender, to animate 2000 characters in Godot using particles.
GODOT FILE (SUPPORTERS) *Updated with last comments and simplified shader
/ vertex-animation-11077...
VAT FILE (Replace vertex_animation.py in plugin)
pastebin.com/G...
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[@TwEtr-q4i]

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[@wagwan0]

why not change the compression setting to an interpolated one and do only 1 texture read? that will save tons of performance. see Donald Martin's vertex animation in godot tutorial.

[@pixezy8962]

It was my first try, because this comes mainly from UE examples and they use bicubic, I think is the same that bilinear. But I couldn't find it. If i remember correctly choosing filter type was different in 3.5.
I gave up, maybe too early...
If you know where is that option located please tell me. AFAIK this is the only way to setup the filter type in Godot 4:
uniform sampler2D absolute_map: filter_linear;