Number slider in rhino8 grasshopper fires twice. Once on number change, and again on release.
Seems like a bug to me. Each number change is causing repeat compute.
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So do buttons. Old in R7, slider behavior may be new in R8?
(but I can’t replicate it - Version 8 SR21)
This is R8:
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waiting for the coveted youtrack link ![]()
I made it initially as stop ship but looks to have been around a few releases. Its now is in David’s queue as Next Up.
still happening in 8.26
gets annoying now, especially on non-trivial solution time
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work around I use is a data dam downstream of slider
for anyone facing this, Heteroptera’s Event Gate component solves this.


