HI @Andor
thanks for sharing this with us.
To help us better understand what happened, could you let us know a bit more:
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Did the shapes disappear right after you applied a frame template, or only after refreshing the board?
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Do you see any versions in the board history that still contain your shapes?
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Were you the only one editing the board at the time, or were collaborators working on it too?
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Does this issue happen on all boards, or just this specific one?
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Which device, operating system, and browser are you using?
These details will help us narrow down whether this is a display issue or something else.