feat: [WIP] use custom render objects for `MarkerLayer`#2134

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JaffaKetchup wants to merge 4 commits intomasterfrom

renderobjected-markers

Commits on Jun 9, 2025

Experimenting with `MultiChildRenderObjectWidget` to improve rendering of markers
JaffaKetchup
committed

Commits on Jul 22, 2025

Commits on Jul 23, 2025

Implement initial hit testing for `MarkerLayer`
JaffaKetchup
committed