Multiple versions of programs in pipeline

[rpetit3]

There's a few programs with mulitple versions used throughout the pipeline. Is this expected?

GATK Versions Used

• 4.2.4.1, 4.2.5.0

Picard Versions Used

• 2.26.9, 2.26.10

SAMTools Versions Used

• 1.12, 1.14, 1.15