Package Coordinators: Marco Clemencic, Charles Leggett, Benedikt Hegner

Release Notes

For this major release we started introducing backward incompatible changes (which will probably continue in the v30rX series).

• Build System
  • Handle correctly removed dictionary dependencies (mr !413)
  • Improved GitLab-CI configuration (use CentOS7 + gcc7, mr !433)
  • Improved behaviour of get_host_binary_tag.py for unknown distribution detection fails (mr !471)
  • Add support for CTest stdout compression in XML reports (mr !453)
• C++ Framework
  • Modernization and simplification
    • Simplify GaudiSequencer (mr !483)
    • Modernize HistoDef (mr !492), FileMgr (mr !493), HepRndmEngines (mr !494), genconf (mr !437)
    • Change IDataManagerSvc and IDataProviderSvc to use boost::string_ref (mr !474, !508)
    • Prefer C++14 ..._t<T> over typename ...<T>::type (mr !411)
  • Clean up
    • Remove deprecated header cbrt.h (mrs !486)
    • Update regex in PluginService (mr !504)
    • Remove Phoenix v2 scaffolding (mr !447)
    • Remove unnecessary long/StatusCode conversions (mr !495)
    • Remove IssueSeverity support from StatusCode (mr !477)
    • Remove include of deprecated GaudiKernel/AlgFactory.h header (mr !414)
  • Bugfixes
    • Fix abnormal termination caused by use of an invalid context when AlgExecStateSvc is verbose (mrs !475)
    • Fix unnamed lock in example code (mr !487)
    • StatusCode check fixes (mr !463)
    • MacOS Fixes (mr !464)
    • Fix compilation on gcc5.4 (Ubuntu 16.04) (mr !465)
    • Fix messaging performance regression (mr !428)
    • Fix various printouts (mr !416)
    • Add missing header guard to invoke.h (mr !457)
    • Implement rigorous locking in HiveWhiteBoard (mr !388, !432)
    • Tweak overload resolution of TupleObj::farray for gcc7 (mr !430)
    • Fix warnings (mr !423)
    • Fixed handling of data dependencies in ToolHandles (mr !429, !501)
    • Fixed use of messages in ApplicationMgr::i_startup (mr !436)
  • Improvements
    • Add compile-time warning about ignoring returned StatusCode (mr !386)
    • Reverse the order in which IoComponentMgr io_finalizes components (mr !469)
    • Add TaggedBool (mr !435)
• Configuration
  • Fixes for CI tests (mr !503)
  • MacOS Fixes (mr !464)
• Documentation
  • Add documentation for apply-formatting target (mr !484)
  • Update build instructions (mr !410)
• Task Scheduling
  • Removed DataFlowManager (mr !472)
  • Added protection on event slot creation in HiveWhiteBoard (mr !502)
  • Made PrecedenceSvc recognize data loader algorithm (mr !473, !506)
  • Improvements to temporal and topological execution flow tracer !444
  • Optimized AvalancheScheduler by avoiding the use of algo names and prefering algo indexes (mr !482)
  • Replaced all std::bind by lambdas in AvalancheScheduler (mr !481)
  • Fixed race condition in AvalancheScheduler (mr !479)
  • Dropped unused member m_updateNeeded in AvalancheScheduler (mr !478)
  • Simplified (aka optimized) usage of ttb tasks in AvalancheScheduler (mr !452)
  • Add DecisionNode negation/inversion to AvalancheScheduler (mr !434)
  • Fix task-based conditions handling (mr !431)
  • Remove forward scheduler and connected components (mr !412)
• Tests
  • Migrate GaudiHive tests to QMT format (mr !419)
  • Fixes for CI tests (mr !503)
  • Fixed handling of data dependencies in ToolHandles (mr !429, !501)
  • Made PrecedenceSvc recognize data loader algorithm (mr !473, !506)
  • Added test for the TimelineSvc (mr !415)
  • Add support for CTest stdout compression in XML reports (mr !453)
  • Made multi_input tests more reliable (mr !468)

The full list of changes can be found on Gitlab.

Externals version: LCG 91