Missing Skeleton tool (v1.4.5)

[BobSynfig]

Hi and welcome here I checked and yes, it seems that it is missing.
Please use v1.5.3 instead, the tool is present

Synfig Studio Development Snapshots

After a long wait we have published new testing builds of Synfig Studio (1.5.3) - Release Release build (v1.5.3) · synfig/synfig · GitHub It contains all latest contributions to Synfig code. We are moving towards the stable release, so your help on testing those builds is much appreciated! Please report all critical regressions to Issues · synfig/synfig · GitHub