| XProc 3.1: An XML Pipeline Language (Community Group Report 30 May 2025) | 
                    
                    
                        | Required features | 
                        + | 
                        + | 
                    
                    
                        | Support for PSVI in XProc | 
                        - | 
                        - | 
                    
                    
                        | Support for p:import-functions from XSLT and XQuery | 
                        - | 
                        + | 
                    
                    
                        | Support for additional atomic steps written in JVM compatible languages
                            (Java, Kotlin, …) | 
                        - | 
                        + | 
                    
                    
                        Support for attribute [p:]timeout to control long running steps | 
                        - | 
                        + | 
                    
                    
                        | Complete support for XPath 3.1 expressions including Map-,
                            Array-, and Function Items in p:variable and p:option | 
                        + | 
                        + | 
                    
                    
                        | XProc 3.1: Standard Step Library (Community Group Report 30 May
                            2025) | 
                    
                    
                        | Required features | 
                        + | 
                        + | 
                    
                    
                        | Optional features | 
                        + | 
                        + | 
                   
                    
                        | XProc 3.1: Dynamic pipeline execution 
                            (Community Group Report  30 May 2025) | 
                    
                    
                        | Support for p:run | 
                        - | 
                        + | 
                    
                    
                        | XProc 3.1: file steps (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:directory-list | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-copy | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-delete | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-info | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-mkdir | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-move | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-create-tempfile | 
                        + | 
                        + | 
                    
                    
                        | Support for p:file-touch | 
                        + | 
                        + | 
                    
                    
                        | XProc 3.1: operating system steps (Community Group Report 30 May
                            2025) | 
                    
                    
                        | Support for p:os-info | 
                        - | 
                        + | 
                    
                    
                        | Support for p:os-exec | 
                        - | 
                        + | 
                    
                    
                        | XProc 3.1: mail steps (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:send-mail | 
                        - | 
                        + | 
                    
                    
                        | XProc 3.1: paged media steps (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:css-formatter | 
                        - | 
                        + | 
                    
                    
                        | Support for p:xsl-formatter | 
                        - | 
                        + | 
                    
 
                    
                        | XProc 3.1: text steps (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:markdown-to-html | 
                        - | 
                        + | 
                    
                    
                        | XProc 3.1: validation steps (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:validate-with-nvdl | 
                        - | 
                        + | 
                    
                    
                        | Support for p:validate-with-relax-ng | 
                        + | 
                        + | 
                    
                    
                        | Support for p:validate-with-schematron | 
                        + | 
                        + | 
                    
                    
                        | Support for p:validate-with-xml-schema | 
                        + | 
                        + | 
                    
                    
                        | Support for p:validate-with-json-schema | 
                        + | 
                        + | 
                    
                    
                        | Support for p:validate-with-dtd | 
                        - | 
                        + | 
                    
                    
                        | XProc 3.1: Invisible XML (Community Group Report 30 May 2025) | 
                    
                    
                        | Support for p:invisible-xml (p:ixml) | 
                        + | 
                        + |