Avro 1.11.1

The Apache Avro community is pleased to announce the release of Avro 1.11.1!

All signed release artifacts, signatures and verification instructions can be found here

Most interesting

This release includes 256 Jira issues, including some interesting features:

Avro specification

  • AVRO-3436 Clarify which names are allowed to be qualified with namespaces
  • AVRO-3370 Inconsistent behaviour on types as invalid names
  • AVRO-3275 Clarify how fullnames are created, with example
  • AVRO-3257 IDL: add syntax to create optional fields
  • AVRO-2019 Improve docs for logical type annotation


  • AVRO-2722 Use of boost::mt19937 is not thread safe


  • AVRO-3383 Many completed subtasks for modernizing C# coding style
  • AVRO-3481 Input and output variable type mismatch
  • AVRO-3475 Enforce time-millis and time-micros specification
  • AVRO-3469 Build and test using .NET SDK 7.0
  • AVRO-3468 Default values for logical types not supported
  • AVRO-3467 Use oracle-actions to test with Early Access JDKs
  • AVRO-3453 Avrogen Add Generated Code Attribute
  • AVRO-3432 Add command line option to skip creation of directories
  • AVRO-3411 Add Visual Studio Code Devcontainer support
  • AVRO-3388 Implement extra codecs for C# as seperate nuget packages
  • AVRO-3265 avrogen generates uncompilable code when namespace ends with “.Avro”
  • AVRO-3219 Support nullable enum type fields


  • AVRO-3531 GenericDatumReader in multithread lead to infinite loop
  • AVRO-3482 Reuse MAGIC in DataFileReader
  • AVRO-3586 Make Avro Build Reproducible
  • AVRO-3441 Automatically register LogicalTypeFactory classes
  • AVRO-3375 Add union branch, array index and map key “path” information to serialization errors
  • AVRO-3374 Fully qualified type reference “ns.int” loses namespace
  • AVRO-3294 IDL parsing allows doc comments in strange places
  • AVRO-3273 avro-maven-plugin breaks on old versions of Maven
  • AVRO-3266 Output stream incompatible with MagicS3GuardCommitter
  • AVRO-3243 Lock conflicts when using computeIfAbsent
  • AVRO-3120 Support Next Java LTS (Java 17)
  • AVRO-2498 UUID generation is not working


  • AVRO-3489 Replace istanbul with nyc for code coverage
  • AVRO-3322 Buffer is not defined in browser environment
  • AVRO-3084 Fix JavaScript interop test to work with other languages on CI


  • AVRO-3263 Schema validation warning on invalid schema with a long field


  • AVRO-3542 Scale assignment optimization
  • AVRO-3521 “Scale” property from decimal object
  • AVRO-3380 Byte reading in avro.io does not assert bytes read
  • AVRO-3229 validate the default value of an enum field
  • AVRO-3218 Pass LogicalType to BytesDecimalSchema



  • AVRO-3558 Add a demo crate that shows usage as WebAssembly
  • AVRO-3526 Improve resolving Bytes and Fixed from string
  • AVRO-3506 Implement Single Object Writer
  • AVRO-3507 Implement Single Object Reader
  • AVRO-3405 Add API for user-provided metadata to file
  • AVRO-3339 Rename crate from avro-rs to apache-avro
  • AVRO-3479 Derive Avro Schema macro



This is the first release that provides the apache-avro crate at crates.io!


A list of all JIRA tickets fixed in 1.11.1 could be found here

Language repositories

In addition, language-specific release artifacts are available:

Thanks to everyone for contributing!

Avro 1.11.0

The Apache Avro community is pleased to announce the release of Avro 1.11.0!

All signed release artifacts, signatures and verification instructions can be found here

This release includes 120 Jira issues, including some interesting features:

  • Specification: AVRO-3212 Support documentation tags for FIXED types
  • C#: AVRO-2961 Support dotnet framework 5.0
  • C#: AVRO-3225 Prevent memory errors when deserializing untrusted data
  • C++: AVRO-2923 Logical type corrections
  • Java: AVRO-2863 Support Avro core on android
  • Javascript: AVRO-3131 Drop support for node.js 10
  • Perl: AVRO-3190 Fix error when reading from EOF
  • Python: AVRO-2906 Improved performance validating deep record data
  • Python: AVRO-2914 Drop Python 2 support
  • Python: AVRO-3004 Drop Python 3.5 support
  • Ruby: AVRO-3108 Drop Ruby 2.5 support

For the first time, the 1.11.0 release includes experimental support for Rust. Work is continuing on this donated SDK, but we have not versioned and published official artifacts for this release.

Python: The avro package fully supports Python 3. We will no longer publish a separate avro-python3 package

And of course upgraded dependencies to latest versions, CVE fixes and more: https://issues.apache.org/jira/issues/?jql=project%3DAVRO%20AND%20fixVersion%3D1.11.0

The link to all fixed JIRA issues and a brief summary can be found at: https://github.com/apache/avro/releases/tag/release-1.11.0

In addition, language-specific release artifacts are available:

Thanks to everyone for contributing!

Avro 1.10.2

Apache Avro 1.10.2 has been released!

Avro 1.10.1

Apache Avro 1.10.1 has been released!

Avro 1.10.0

Apache Avro 1.10.0 has been released!

Avro 1.9.2

Apache Avro 1.9.2 has been released!

Avro 1.9.1

Apache Avro 1.9.1 has been released!

Avro 1.9.0

Apache Avro 1.9.0 has been released!

Avro 1.8.2

Apache Avro 1.8.2 has been released!

Avro 1.8.1

Apache Avro 1.8.1 has been released!

Avro 1.8.0

Apache Avro 1.8.0 has been released!

Avro 1.7.7

Apache Avro 1.7.7 has been released!

Avro 1.7.6

Apache Avro 1.7.6 has been released!

Avro 1.7.5

Apache Avro 1.7.5 has been released!

Avro 1.7.4

Apache Avro 1.7.4 has been released!

Avro 1.7.3

Apache Avro 1.7.3 has been released!

Avro 1.7.2

Apache Avro 1.7.2 has been released!

Avro 1.7.1

Apache Avro 1.7.1 has been released!

Avro 1.7.0

Apache Avro 1.7.0 has been released!

Avro 1.6.3

Apache Avro 1.6.3 has been released!

Avro 1.6.2

Apache Avro 1.6.2 has been released!

Avro 1.6.1

Apache Avro 1.6.1 has been released!

Avro 1.6.0

Apache Avro 1.6.0 has been released!

Avro 1.5.4

Apache Avro 1.5.4 has been released!

Avro 1.5.3

Apache Avro 1.5.3 has been released!

Avro 1.5.2

Apache Avro 1.5.2 has been released!

Avro 1.5.1

Apache Avro 1.5.1 has been released!

Avro 1.5.0

Apache Avro 1.5.0 has been released!

Avro 1.4.1

Apache Avro 1.4.1 has been released!

Avro 1.4.0

Apache Avro 1.4.0 has been released!

Avro 1.0.0

The first release of Avro is now available. To download, it, use the “Download” link below.

Avro 1.3.3

Apache Avro 1.3.3 has been released!

Avro 1.3.2

Apache Avro 1.3.2 has been released!

Avro 1.3.1

Apache Avro 1.3.1 has been released!

Avro 1.3.0

Apache Avro 1.3.0 has been released!

Avro 1.2.0

Apache Avro 1.2.0 is now available!

Avro 1.1.0

Apache Avro 1.1.0 is now available!

Avro joins Apache

Avro has joined the Apache Software Foundation as a Hadoop subproject.