[2025-09-15] Libs and Engine Team Demo Day

[GregoryTravis]

James:

• Add Progress to Data.read_many Add Progress to Data.read_many #13833
• Single instance StorageType and store as type char and size Single instance StorageType and store as type char and size #13910
• Decode SQL types to Java 8 types. Decode SQL types to Java 8 types. #13919
• Improve Regex text performance by using UTF 16 Spans Improve Regex text performance by using UTF 16 Spans #13931
• Unify Logging in libs to SLF4J Unify Logging in libs to SLF4J #13938
• Single Progress API Single Progress API #13947
• Flip includeNothing to skipNothing Flip includeNothing to skipNothing #13993
• Add Data.fetch_many and Runtime.sleep Add Data.fetch_many and Runtime.sleep #13999

Greg:

• Standard_Deviation for in-memory add_group_number Standard_Deviation for in-memory add_group_number #13895
• Named labels for Standard_Deviation for in-memory add_group_number Named labels for Standard_Deviation for in-memory add_group_number #13896
• Update api for Text_Column changes Update api for Text_Column changes #13975

Ad:

• Make xlsx use the streaming model for new files Make xlsx use the streaming model for new files #13842
• Update poi version Update poi version #13870
• Add suggested for js_object Add suggested for js_object #13879
• Add new Secret_Not_Found error Add new Secret_Not_Found error #13881
• WIP WIP #13902
• Add Readme Add Readme #13912
• Attempt to fix space in path hyper issue Attempt to fix space in path hyper issue #13937
• Remove poi references from enso code Remove poi references from enso code #13953
• Silence POI warnings from legacy .xls files Silence POI warnings from legacy .xls files #13989
• Remove excel connection pool dependency from Excel_Workbook Remove excel connection pool dependency from Excel_Workbook #14000

Jaroslav:

• Cooperation with @GregoryTravis: No need for jvm: true when running Generic_JDBC_Tests #13900
• Have anyone noticed a speedup? There must be some!
  • achieved together with @Akirathan's Avoid digest computation from sources #13840
  • Avoid loading Source when creating EnsoRootNode from caches #13915
• Cooperation with @kazcw: Propagate parser error messages #13986
• Towards effective exchange of tables in dual JVM mode Exchanging direct ByteBuffers between the dual JVMs #13904
• Simplify caching Type of cache decides where it should be stored #13909
• Cleanup API: Moving Warning related methods out of Any #13978
• Bugfixes & Refactoring
  • Properly compute FQN for a module inside of a project #13936
  • Removing assert "The given scope must contain the given Def occurrence" #13941
  • Give ProgramRootNode name and source section #13949
  • Rewriting RuntimeStubsGenerator to Java #13952

Hubert:

• Replace synchronization blocks in polyglot Java initialization Replace synchronization blocks in polyglot Java initialization #13907
• WIP: Replacing Static Dataflow Analysis with Reactive Caches WIP: Replacing Static Dataflow Analysis with Reactive Caches #13948

Pavel:

• Bazel sbt integration: Implement sbt_build_engine_distribution Bazel rule #13838
  • Next: Try to build native image from within Bazel
• Stability and DevX of tests:
  • Upload heap dump on OutOfMemoryError Upload heap dump on OutOfMemoryError #13981
  • Remove Python resources test Remove Python resources test #13869
    • Used to frequently transiently fail
  • Ignore failing Multi_Value_Key stdlib benchmarks Ignore failing Multi_Value_Key stdlib benchmarks #13883
  • Fix regression in startup benchmarks Fix regression in startup benchmarks #13908
• Other fixes:
  • Check IR cache sizes on the CI Check IR cache sizes on the CI #14001
  • Avoid digest computation from sources Avoid digest computation from sources #13840
    • Removed 908 small file reads from startup.
  • Fix project/archive endpoint in project-manager Fix project/archive endpoint in project-manager #13969
• Small refactorings:
  • Refactor Foreign IR to Java Refactor Foreign IR to Java #13943
  • Remove duplicate find_enso_bin methods in tests Remove duplicate find_enso_bin methods in tests #13847
• Docs improvements:
  • Docs for Truffle loggers Add docs for Truffle loggers. #13830
  • Semi-formal specification for method resolution Semi-formal specification for method resolution #13961
  • Documenting unexpected cmdline opts handling of NI Documenting unexpected cmdline opts handling of NI #13984
• In progress:
  • Fix special handling of static method calls on Any Fix special handling of static method calls on Any #13939
  • Remove duplicated IR ASTs for static methods Remove duplicated IR ASTs for static methods #13962
    • Will decrease IR cache sizes by cca 30%
• Upcoming:
  • Use foreign memory arena for big bindings cache Use foreign memory arena for big bindings cache #13872
    • Better mmap for big cache files
  • Upgrade to GraalVM 25 LTS Upgrade to GraalVM 25 LTS #13918

Dmitry:

• Implement functionality to create projects in dashboard Implement functionality to create projects in dashboard #13844
• Enable Example_Tests on CI Enable Example_Tests on CI #13845
• Cleanup project directory before unpacking hybrid project Cleanup project directory before unpacking hybrid project #13846
• Implement functionality to open and close projects in dashboard Implement functionality to open and close projects in dashboard #13994