Issues

• [GLD Serializer Benchmark] Kotlin kotlinx-ion 1.11.11 — spec compliance misses

  amazon-ion/ion-java#1167 · Filter by author leo-gan opened on Sep 14, 2026

• [GLD Serializer Benchmark] Java ion 2.19.0 — spec compliance misses

  amazon-ion/ion-java#1166 · Filter by author leo-gan opened on Sep 14, 2026

• [benchmark] Request for call-path / fairness review (GLD.SerializerBenchmark)

  amazon-ion/ion-java#1164 · Filter by author leo-gan opened on Sep 4, 2026

• See if there's any benefit to adding more specialized methods to WriteBuffer

  amazon-ion/ion-java#1137 · Filter by author popematt opened on Oct 29, 2025

• Compare performance of if/else vs try/catch

  amazon-ion/ion-java#1114 · Filter by author popematt opened on Oct 14, 2025
  1

• Preserve comments when re-writing text Ion

  enhancement
  amazon-ion/ion-java#1102 · Filter by author tgregg opened on Oct 2, 2025
  2

• Deep dive performance impact of 1.11.8 PatchPoint handling change

  amazon-ion/ion-java#1095 · Filter by author tgregg opened on Sep 20, 2025
  6

• Ensure OutputStream.write is not called for empty blocks

  amazon-ion/ion-java#1056 · Filter by author tgregg opened on Mar 20, 2025
  1

• Don't allocate unnecessary LazySymbolTableProvider instances

  amazon-ion/ion-java#1053 · Filter by author tgregg opened on Mar 3, 2025

• Don't allocate unnecessary annotation arrays in IonValueLite's copy constructor

  amazon-ion/ion-java#1051 · Filter by author tgregg opened on Feb 26, 2025

• Provide Access to Reader's Current Memory Usage

  enhancement
  amazon-ion/ion-java#1031 · Filter by author rmarrowstone opened on Jan 15, 2025
  1

• Achieve binary write performance parity between Ion 1.1 and Ion 1.0

  amazon-ion/ion-java#1025 · Filter by author tgregg opened on Jan 6, 2025

• Achieve binary read performance parity between Ion 1.1 and Ion 1.0

  amazon-ion/ion-java#1024 · Filter by author tgregg opened on Jan 6, 2025

• Decide whether unused AEB bits must be zero

  amazon-ion/ion-java#1020 · Filter by author tgregg opened on Dec 21, 2024
  1

• Revisit tests/interface for MacroAwareIonWriter

  enhancemention11
  amazon-ion/ion-java#1015 · Filter by author jobarr-amzn opened on Dec 12, 2024

• Make the binary reader's SpanProvider facet work with Ion 1.1 e-expressions and delimited containers

  amazon-ion/ion-java#1011 · Filter by author tgregg opened on Dec 10, 2024

• Disallow illegal usage of expression groups in text Ion 1.1

  bug
  amazon-ion/ion-java#1009 · Filter by author tgregg opened on Dec 9, 2024

• Create custom macros for Macroize text patterns instead of invoking make_string directly

  ion11
  amazon-ion/ion-java#1006 · Filter by author tgregg opened on Dec 4, 2024

• Improve readability of IonReaderContinuableCoreBinary.nextValue() and transcodeNextTo()

  amazon-ion/ion-java#1004 · Filter by author tgregg opened on Nov 27, 2024
  1

• Determine how to handle system transcode from Ion 1.0 to Ion 1.1

  ion11
  amazon-ion/ion-java#1002 · Filter by author tgregg opened on Nov 26, 2024
  1

• Fully support importing previous symbol/macro table context

  ion11
  amazon-ion/ion-java#977 · Filter by author tgregg opened on Oct 17, 2024

• Macro-shaped parameters

  ion11
  amazon-ion/ion-java#974 · Filter by author tgregg opened on Oct 15, 2024

• IonSystem.clone not doing deep copy as the doc indicates

  bug
  amazon-ion/ion-java#950 · Filter by author r0b0ji opened on Oct 2, 2024
  3

• Fix the hacky solution for adjusting FlexSym system SIDs

  cleanupion11
  amazon-ion/ion-java#946 · Filter by author popematt opened on Sep 27, 2024

• Update SymbolTable to support Ion 1.1 use cases

  ion11
  amazon-ion/ion-java#945 · Filter by author popematt opened on Sep 25, 2024