Release - 2.6.0

New features:

• New iterative ensemble smoother algorithm
• Suffix support for External Parameters
• Back up existing parameters-file

Improvements:

• Output from Eclipse job is treated like any other job
• Added support for ext param suffixes in libres
• Make runWorkflows static
• Exposed enkf_main_have_obs in python
• Add support for lower case shell scripts
• Added support for unknown status in the queue driver
• Ensure that the number of required successful realization are not higher then the ensemble size
• Remove yaml load warnings
• Remove ecl load warnings
• Improved support for when lsf executables are temporarily unavailable
• Builds on macOS
• Use subprocess instead of fork
• Massive clean up of test side effects

Code structure and tooling:

• Move QueueConfig from SiteConfig up to ResConfig
• Use pytest for running python tests
• job_dispatch gets responsibility for killing it's jobs
• Remove all documentation
• Introduce test_requirements as a seperate file
• Enable black formatting and testing on job_runner
• Retry of forward model moved into Python
• Separate job thread status and forward model status
• Restrict the concurrent internalization of data
• Remove applications from libres
• Remove unused code

Bug fixes:

• Log random seed
• Make sure reporting does not fail
• Remove double dash arguments from job arglists
• Make use of single letter options to aviod use of '--' in RMS description file
• Fix attribute error in when accessing os.stat() result
• Fix reference counting error in enkf_fs
• equinor/ert#573

Deprecations:

• Deprecated various unused keywords
• Deprecated updating workflows
• Completely removed all applications
• Remove SCHEDULE as HISTORY_SOURCE

Experimental features:

• Programmatic initialization (Validation will come in the next release)