Native Image Committer and Community Meeting 2025-01-30

[wirthi]

List of all past and upcoming meetings: #3933

The meeting after this one is planned for February 27th, 2025. The meeting will typically be on the last Thursday of each month.

New and Noteworthy

• JDK 24 is feature complete

• Native Image Layers
  [GR-59590] Reduce vtable slots in application layer. #10544
  [GR-60710] Encode numClassTypes in DynamicHub.typeIDDepth. #10378
  [GR-57640] Do not allow ImageSingletons.lookup to be called on MultiLayeredImageSingletons. #10533
  [GR-61459] Ensure objects are not modified while graphs are persisted #10528
  [GR-59783] Change MultiLayerImageSingleton array properties. #10519
  [GR-60740] [GR-61079] Refactor field inclusion policy in base layer and improve name checks mechanism. #10507
  [GR-60551] [GR-60503] Mark all persisted constants as reachable #10502
  [GR-57350] Make resources layer aware #10501
  [GR-60565] Move non-critical DynamicHub fields to companion object. #10495
  [GR-61279] Fixes for various linkage errors. #10482
  [GR-49858] [GR-60710] In DynamicHub, use byte for hubType and short for open-world type information. #10462
  [GR-59148] Read JNI dictionary from all layers. #10456
  [GR-60685] Refactor UnsupportedFeatures reporting. #10430
  [GR-60640] Expose CapnProtoSchemaHolder to ImageLayerSingletons. #10418
  [GR-60500] Refactor ImageLayerWriter/Loader #10414
  [GR-60631] Always copy over relocatable section for layered images. #10404
  [GR-60604] Improve causality reporting for unresolved elements. #10401
  [GR-57832] [GR-59694] Load strengthened graph early #10361
  [GR-60601] Fix persiting enum values in annotations #10347
  [GR-60508] Include more information in the hash of method handle invoker substitution names #10324

• GuestGraal / LibGraal
  [GR-60088] Add jdk.graal.nativeimage module. #10380

• Streamline reachability metadata

• Usability
  [GR-50683] Initialize most of java.xml at run time. #10537
  [GR-49525] Mechanism to move JDK initialization to run time. #10531
  [GR-60093] Keep existing speciesData objects in cache at run-time #10454
  [GR-58490] Adapt PartialConfigurationWithOrigins to reachability-metadata.json #10423

• Monitoring / tools
  [GR-61151] Trim internal JFR stacktraces to match OpenJDK #10385 (Red Hat)

• Debugging
  [GR-54697] Implement debuginfo generation at image-runtime. #10522
  [GR-58574] Add SVM interpreter and JDWP support for Native Image #10344

• FFM API / Panama
  [libgraal] Failed to build graalVM. #10388
  [GR-60395] Allow combination of captureCallState and critical(true). #10301

• Other
  [GR-54978] [GR-59135] Report unrecognized/ill-formed hosted options in NI driver. #10485
  [GR-61342] Move SVM style gate to JDK latest #10483 (towards removal of JDK21 from master)
  [GR-60457] [GR-52400] Revise heuristic for memory usage of Native Image build process. #10441 / Rerun sun.nio.ch.NioSocketImpl class initializer #10431
  [GR-59749] Use a contiguous address space for the Native Image Java heap. #10323

Questions

Deep Dive: TBD