In 25w05a, the position in the lodstone_tracker (and the uuid in profile) item data component requires explicit snbt array type qualifiers [I; 1, 1, 1], which was not the case in 1.21.4.
The command from 1.21.4 no longer works in 25w05a:
/give @s compass[lodestone_tracker={target:{dimension:"overworld", pos:[1, 1, 1]}, tracked:true}]
Instead it now has to be:
/give @s compass[lodestone_tracker={target:{dimension:"overworld", pos:[I; 1, 1, 1]}, tracked:true}]
Which looks like a regression/unintended and is inconsistent with other data component number arrays
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Thank you for your report!
After consideration, the issue is being closed as Working as Intended.
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Great... more required matching type, which was considered a bug and fixed in prior versions... MC-112257...
Can confirm.