Issues

• "OpenZL performance and compiler optimizations like LTO, PGO impact on it" question

  facebook/openzl#1079 · Filter by author zamazan4ik opened on Oct 1, 2026

• how to write the arguments to improve digital text compress ratio

  facebook/openzl#1077 · Filter by author l1t1 opened on Sep 30, 2026

• Square brackets at the end of the SDDL2 schema are not parsed by compiler correctly without trailing newline

  facebook/openzl#1075 · Filter by author 0serg opened on Sep 30, 2026

• Streaming compression/decompression API for proxy use (write / flush / end)

  facebook/openzl#1073 · Filter by author sboulkour opened on Sep 30, 2026

• [openzl] examples/compress_app.cpp never writes the output file and reads input in text mode on Windows

  facebook/openzl#1053 · Filter by author CnRJay opened on Sep 24, 2026

• [SDDL2] Training crashes with UInt16LE array in record

  facebook/openzl#1050 · Filter by author quantumint opened on Sep 24, 2026

• SDDL1: any non-ASCII byte in a description aborts sddl_compiler with a "Corruption detected" error

  facebook/openzl#943 · Filter by author avionicharshit-byte opened on Aug 8, 2026

• Help finding global-optimum compressor

  facebook/openzl#933 · Filter by author froody opened on Aug 6, 2026
  1

• Parquet RFC

  facebook/openzl#929 · Filter by author froody opened on Aug 1, 2026
  2

• Release tarballs should include git submodules

  facebook/openzl#831 · Filter by author Schamschula opened on Jun 22, 2026

• Recommended architecture for raster-aware spatial predictors in OpenZL

  facebook/openzl#793 · Filter by author csaybar opened on May 29, 2026
  2

  

• [OpenZL] Overlapping macros

  facebook/openzl#756 · Filter by author kevinjzhang opened on May 12, 2026
  2

• [training] Sample on chunks of the file rather than the entire file

  facebook/openzl#683 · Filter by author terrelln opened on Apr 27, 2026
  1

• [SDDL] Decoder Testing

  SDDL
  facebook/openzl#609 · Filter by author Tabaie opened on Apr 8, 2026
  3

  

• SDDL2: locally-consumed field not usable as array length or parameter within same record

  Feature RequestSDDLUX-Issue
  facebook/openzl#604 · Filter by author Tabaie opened on Apr 7, 2026
  6

  

• support for 32-bit devices

  long term
  facebook/openzl#342 · Filter by author robertkirkman opened on Jan 16, 2026
  4

• Compulsory formatting is a problem for external contributions

  facebook/openzl#314 · Filter by author Cyan4973 opened on Dec 18, 2025
  

• Homebrew support

  facebook/openzl#308 · Filter by author hongbo-miao opened on Dec 17, 2025

• Support STDIN and STDOUT in CLI

  enhancement
  facebook/openzl#179 · Filter by author ibnesayeed opened on Nov 4, 2025
  3

  

• [Errors] Improve Error Message String Construction

  Feature Request
  facebook/openzl#135 · Filter by author felixhandte opened on Oct 14, 2025
  

• [question] Is it possible to use SDDL to describe the structure of JSON source data?

  answeredquestionSDDL
  facebook/openzl#109 · Filter by author yangfurong opened on Oct 10, 2025
  1

  

• SIMD implementations of transpose and delta int

  facebook/openzl#108 · Filter by author tom-neara opened on Oct 10, 2025
  5

  

• OpenZL Parquet Lexer Fails with Apache Arrow 21.0.0 Files

  facebook/openzl#106 · Filter by author AlexHiesch opened on Oct 9, 2025
  

• allow system libzstd

  build
  facebook/openzl#105 · Filter by author ognevny opened on Oct 9, 2025
  1

• [discussion] Compressing Genomic Data

  questionSDDL
  facebook/openzl#76 · Filter by author tgbrooks opened on Oct 7, 2025
  17