Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
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scala/scala-async
An asynchronous programming facility for Scala
- #303 - what if we don't care the response of async execute , but it should be complete
- #265 - Is async macro leaking?
- #242 - Write an deep dive technical doc
- #232 - Scala 3 / Dotty plans?
- #183 - scoverage does not highlight the executed async code
- #166 - Using async/await as a general solution for handling with async code
Contributing Guide Code of Conduct -
scala-steward-org/scala-steward
:robot: A bot that helps you keep your projects up-to-date
- #3371 - `scala-cli` dependencies: "WARN Unable to bump version for update [...]"
- #3359 - Scalafmt cannot run when buildRoots is set
- #3357 - Config option to update files only in defined paths
- #3348 - Wrong targetRefName when create azure-repo PullRequestPayload
- #3329 - Feature to limit branch name length
- #3318 - Clarification of "updatePullRequests" for grouped PRs
Contributing Guide Code of Conduct -
scalameta/scalameta
Library to read, analyze, transform and generate Scala programs
- #3971 - semanticdb is unavailable due to fatal errors
- #3913 - Enclose all optional-braces regions in a tree
- #3394 - Support for SAM in symbol for semanticdb
- #3372 - Add Ast node(s) representing comments
- #3338 - Publish error: Error while reading InlineInfoAttribute from scala.meta.transversers.Transformer
- #3311 - OccurrenceSuite 2.12 -> 2.13: incorrect def for generic type bound
Contributing Guide Code of Conduct -
akka/alpakka
Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
- #3253 - Alpakka connector for Azure Storage
- #3236 - Implement .getExecutionInfo() and executionInfo.getQueryTrace();
- #3169 - Show useful information when failing on redirect
- #3158 - Version 7.0.2 collides with AWS SQS SDK 2.25.14
- #3137 - GCS support offers no way to set Content-Encoding header
- #3109 - Alpakka MQTT Streaming not receiving message
Contributing Guide Code of Conduct -
ghostdogpr/caliban
Functional GraphQL library for Scala
- #2235 - Setup CI to run benchmarks and access results
- #2184 - Fine-grained support for `null` values.
- #2063 - Add an apollo rover template
- #1926 - Codegen: Support union types as scala 3 union types
- #1743 - Supporting Scala.js / Scala Native on the server
- #1673 - Provide a way to extract span parent from request headers in caliban-tracing
Contributing Guide Code of Conduct -
bigdatagenomics/adam
ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
- #2407 - Fix deploy snapshot Github Action failures
- #2401 - Refactoring Error Logging Inconsistencies in MdTag.scala
- #2385 - Missing Fastq reads
- #2349 - StackOverflowError in avro SpecificDatumWriter
- #2335 - Add Scala 2.13 to build
- #2281 - Spare not needed groupBy when calling toFragments() on AlignmentDataset
Contributing Guide Code of Conduct -
reactivemongo/reactivemongo
:leaves: Non-blocking, Reactive MongoDB Driver for Scala
- #1250 - Scala 3.3.x support blocked by potential bug in Scala 3.3.0
- #1166 - Update the supported aggregation stage
- #1056 - Aggregation on view
- #1031 - Restricted aggregation pipeline as update operator
- #996 - Update Build and CI
- #632 - JSON4S module
Contributing Guide Code of Conduct -
playframework/play-slick
Slick Plugin for Play
- #701 - Unsupported operations post upgrading to scala 2.12
- #600 - Play evolutions throwing error when trying to run it for the first time
- #572 - In Play 2.8.2, slick.dbs.default.profile config throws ClassNotFound exception when using custom Profile
- #498 - Evolution script is skipped if there is any Cyrillic character
- #455 - Cannot acquire connection on many "refresh"
- #445 - Connections not being returned to pool on transaction failure
Contributing Guide Code of Conduct -
scalacenter/scalafix
Refactoring and linting tool for Scala
- #2073 - sbt-scalafix (sometimes) crashes on Linux
- #2065 - Publish `scalafix-testkit` for Scala 2.12.20
- #2061 - RemoveUnused: Expression parentheses not properly handled after removing unused variable
- #2054 - Partial semanticdb information for sources compiled with Scala 3
- #2049 - Improve semantic information for types compiled by dotty
- #2041 - Official support for writing community rules in Scala 3
Contributing Guide Code of Conduct -
guardian/grid
The Guardian’s image management system
- #4282 - Deny leases can’t easily be set to start in the future
- #4261 - Scala Steward can not run on this repo until it allows building under Java 21
- #4246 - [feature] Agency picks
- #4024 - Add support for IPTC Subject Codes
- #4017 - Cropping PNG fails
- #3997 - Viewer doesn’t show checkered background for cutouts without `optimisedPng`
Contributing Guide Code of Conduct -
nvidia/spark-rapids
Spark RAPIDS plugin - accelerate Apache Spark with GPUs
- #11485 - [BUG] Integration tests failing in join_test.py
- #11480 - SPARK-31159: rebasing dates in write
- #11479 - [BUG] spark400 build failed do not conform to class UnaryExprMeta's type parameter
- #11478 - SPARK-35427: datetime rebasing in the EXCEPTION mode
- #11476 - unannotated array of struct with unannotated array
- #11475 - struct with unannotated array
Contributing Guide Code of Conduct -
purplekingdomgames/indigo
An FP game engine for Scala.
- #766 - Switch from `keyCode` to `code` in keyboard
- #765 - Physics: Replace collision groups with collision pairs
- #764 - Engine Plugins
- #762 - Upgrade to Scala 3.5.0
- #760 - Add support for lone Joy-Con (and other would be controller with only one axis)
- #757 - Consider switching to Separating Axis Theorem for collision checks
Contributing Guide Code of Conduct -
virtuslab/scala-cli
Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
- #3189 - make it easy to use JavaFX with java module system and automatic platform classifier
- #3188 - Add option to enable easy java module path loading
- #3184 - assertion failed: asTerm called on not-a-Term val <none>
- #3178 - `--watch` doesn't work correctly with Markdown inputs
- #3177 - `--watch` doesn't work correctly with Scala `.sc` scripts
- #3170 - Release v1.5.1
Contributing Guide Code of Conduct -
twitter/bijection
Reversible conversions between types
- #559 - changes to continuous integration
- #314 - move bijection-x modules out
- #283 - FuturePoolJavaFutureConverter is not compatible w/ twitter-util 19.1.0
- #282 - Getting error when schema is updated com.twitter.bijection.InversionFailure: Failed to invert:
- #276 - Create Bijections for various Java's Date APIs
- #271 - Add InjectionK and BijectionK
Contributing Guide Code of Conduct -
lightbend-labs/mima
A tool for catching binary incompatibility in Scala
- #817 - Don't report `ReversedMissingMethodProblem` for sealed traits
- #807 - False positive InheritedNewAbstractMethodProblem?
- #794 - Adding a private lazy val introduces a binary incompability in Scala 3
- #788 - Avoid use of `IntegrationTest` config, which sbt has now deprecated
- #771 - `case class` issues in package-private objects are not skipped
- #718 - Move publishing to sbt-ci-release, to make releases easier to do
Contributing Guide Code of Conduct -
twitter/scrooge
A Thrift parser/generator
- #369 - Scala 2.13 immutable-sequences?
- #368 - Java code generated from thrift file lacks MethodPerEndpoint, ServicePerEndpointReq, and RepServicePerEndpoint APIs
- #363 - Upgrading libthrift to a newer version, security vulnerabilities
- #352 - Add option to generate higher-kinded-type service interface
- #346 - Add configuration choice of getting an immutable type in code generation for `bytes` thrift type
- #342 - Feature Suggestion: Custom type adapters
Contributing Guide Code of Conduct -
twitter/storehaus
Storehaus is a library that makes it easy to work with asynchronous key value stores
- #354 - Finagle Deps are way behind the mainline.
- #351 - redis fails if you do an empty multiget
- #340 - Memcache write-read error
- #339 - how to integrate hbase with summingbird?
- #338 - Replace addOpt with Seimgroup.maybPlus after merging latest algebird
- #329 - RedisSortedSet mergeable has a questionable semigroup
Contributing Guide Code of Conduct -
iltotore/iron
Strong type constraints for Scala
- #268 - Support MultiplicativeGroup, AdditiveSemigroup and friends
- #265 - Group constraints classes and type aliases together
- #255 - Add talks/articles links to website
- #253 - Make RefinedTypeOps definition more ergonomic
- #240 - Use skunk 1.0.0-M.x instead of 0.6.x
- #224 - Spark/Gallia/... support?
Contributing Guide Code of Conduct -
dispatch/reboot
Scala wrapper for the Java AsyncHttpClient.
- #236 - Set up dependency update for this repository
- #231 - Emoji character in domains not recognized correctly (punycode)
- #190 - Investigate different thread allocation semantics under the hood
- #111 - Having to unwrap exceptions from ExecutionException
Contributing Guide Code of Conduct -
xebia-functional/fetch
Simple & Efficient data access for Scala and Scala.js
- #602 - DataCache trait doesn't allow to use bounds and typeclasses on keys and values
- #429 - Make possible to define timeouts on smaller parts of Fetch and handle timeouts (or other errors)
- #352 - Http4sExample fails
- #165 - Discuss how the Fetch implementation could support streaming
- #163 - Less restrictive DataSource effect implicits
- #142 - Supporting cache backend
Contributing Guide Code of Conduct