serializer is used at run time in 54 crates (of which 2 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 4 crates (of which 2 directly).

Depender (with downloads and own rev deps) serializer version
260 3 tc-executor-common ^2.0.2
240 13 tc-executor ^2.0.2
750 121 tet-core dev ^2.1.2
7 node-primitives dev ^2.0.2