Release 2021.04.12

With these updates, we have completed the release of 2021.04.12
Component Updates

• adviser: v0.27.0

  • Introduce prescription (thoth-station/adviser#1741)
  • Update prescription documentation so users can start using it(thoth-station/adviser#1786)
  • Keep optimization for prescription wraps with resolved dependencies(thoth-station/adviser#1800)
  • Allow supplying expected library usage in prescriptions (thoth-station/adviser#1793)
  • Add ability to declare advised manifest changes in wrap prescriptions (thoth-station/adviser#1794)
  • Add "not" operator to the prescription declaration (thoth-station/adviser#1795)
  • Move MKL specific wrap to prescriptions (thoth-station/adviser#1796)
  • Fix handling prescription unit names(thoth-station/adviser#1797)
  • Remove TF Keras embedding wrap that was moved to prescriptions (thoth-station/adviser#1799)
  • Rewrite s2i wraps to boots to match semantics (thoth-station/adviser#1789)
  • Remove units rewritten to prescription YAML file(thoth-station/adviser#1774)
  • Fix typing for prescription units and core units (thoth-station/adviser#1748)
  • Prescription listing (thoth-station/adviser#1762)
  • Allow multiple hardware configurations per pipeline unit (thoth-station/adviser#1764)
  • Allow multiple prescription files being supplied to the resolver(thoth-station/adviser#1767)
  • Add a pipeline unit that notifies about prescription release used (thoth-station/adviser#1770)
  • Add ability to yield matched package version in pseudonyms(thoth-station/adviser#1775)
  • Implement prescription validation with semantics(thoth-station/adviser#1781)
  • Add Thoth's landing page(thoth-station/adviser#1626)
  • Register UBI boot only if UBI is used (thoth-station/adviser#1756)
  • Propagate metadata to justification and stack info(thoth-station/adviser#1625)
  • Fix justification messages reported by backport sieves(thoth-station/adviser#1727)
  • Remove user's stack if development dependencies are not present (thoth-station/adviser#1729)
  • Remove user's stack if any changes in requirements were detected (thoth-station/adviser#1726)

• user-api: v0.22.1

  • Schema-related fix for the API.(thoth-station/user-api#1343)

• messaging: v0.12.0

  • add metadata to kebechet-run-url(thoth-station/messaging#347)
  • add more metadata and use attr factory(thoth-station/messaging#360)
  • Remove data fields from adviser message(thoth-station/messaging#359)

• slo-reporter: v0.13.1

  • Add defaults (thoth-station/slo-reporter#242)
  • Add workflows tasks latency (thoth-station/slo-reporter#238)
  • Generalize references (thoth-station/slo-reporter#233)

• qeb-hwt: v0.3.4

  • HOTFIX: Use the explicit pyjwt 1.7.1 for the github app (thoth-station/qeb-hwt#153)
  • upgrade to python3.8 (thoth-station/qeb-hwt#133)

• argo-workflow: v2.12.5

  • Fix for the correct TTL propagation.

Thanks everyone for the work.