v12.3.1

Catalyst v12.3.1

Diff since v12.3.0

Closed issues:

• support more general affects (#308)
• Matricial ts theory (#555)
• Unable to compute sparse jacobian (using SparseDiffTools) for reaction system (UndefVarError: m not defined) (#559)
• Unable to plot observables with vars=observed(rn) (#560)

Merged pull requests:

• update first few tutorials to be dynamic (#556) (@isaacsas)
• allow multivariable states (#557) (@isaacsas)
• PDE support doc updates (#561) (@isaacsas)
• canonize docs (#562) (@ArnoStrouwen)
• add logo (#563) (@ArnoStrouwen)