Since their initial publication in 2016, the CWL standards have gained much traction and are currently widely supported in practice. Below is a timeline of key moments in the evolution of the CWL Project and standards.
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2014
Project begins from conversations at the
Bioinformatics Open Source Conference CodeFest
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2015
CWL “draft-2” version
Commercial vendor (Seven Bridges Genomics) releases product in December
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2016
CWL v1.0 released
Arvados support for CWL 1.0
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2017
CWL v1.0.1 and CWL v1.0.2 released
Toil support for CWL
4 public implementations (cwltool, Seven Bridges, Arvados, Toil)
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2018
IBM releases CWL implementation for LSF
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2019
CWL v1.1 released
CWL 2019 Mini Conference (Cambridge, MA, USA)
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2020
CWL v1.2 released (with workflow conditionals)
CWL included in the IEEE Std 2791™--2020 BioCompute Object standard
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2021
2021 CWL Conference (Online)
Support for CWL in Illumina Connected Analytics
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2022
2022 CWL Conference (Online)