Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
303 results
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twitter/finagle
A fault tolerant, protocol-agnostic RPC system
- #971 - LengthFieldFramer.apply in Scala 2.13 broken since Commit dc6680b
- #970 - New release for finagle with netty vlunerability fix
- #968 - Feature Request: Emoji Hashtags/Cashtags
- #965 - Client with TLS configuration not working on version v22.12.0 onwards - java.lang.IllegalArgumentException: ApplicationProtocols.Supported is not supported at this time for SslContextClientEngineFactory. Remote Info: Not Available
- #964 - Update the Netty to latest version (4.1.108.Final) - Vulnerability CVE-2024-29025
- #962 - finagle-http: Http methodbuilder does not allow setting sendInterrupts flag to backup request filter
Contributing Guide Code of Conduct -
akka/akka
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
- #32767 - Release 2.10.8
- #32765 - Absence of logging in least-shard allocation strategy
- #32751 - Failed: ClusterShardingPreparingForShutdown
- #32747 - Better defaults for FJP max spare threads
- #32739 - Failed: FileSourceSpec
- #32721 - Messages with deadline
Contributing Guide Code of Conduct -
playframework/playframework
The Community Maintained High Velocity Web Framework For Java and Scala.
- #13398 - Adopt JSpecify?
- #13358 - When is the next Play Framework release expected (4.0)
- #13319 - Support SBT 2.0
- #13314 - FakeRequest used on a controller in Play 2.9.5 & 2.9.6 times out
- #13302 - Add support for mill build tool
- #13279 - Non symmetric parsing/writing for x-www-form-urlencoded data
Contributing Guide Code of Conduct -
typelevel/cats
Lightweight, modular, and extensible library for functional programming.
- #4757 - Hierarchy of cats effect in Cats documentation does not match the one in the cats effect docs
- #4746 - Scala 3: Support `mapN` for tuples greater than 22
- #4727 - Monad Transformer typeclass
- #4709 - Add withFilter to FunctorFilter.Ops
- #4696 - drop/dropRight/take/takeRight on TraverseFilter
- #4689 - Show null compatibility with scala string interpolator
Contributing Guide Code of Conduct -
linkerd/linkerd
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.
- #2462 - m installing linkerd on the AKS cluster & getting the below error
- #2460 - ZooKeeper server set namer `io.l5d.serversets` appears to leak ZooKeeper watches
- #2451 - Namerd version admin port
- #2446 - serverSession: idleTimeMs times out while there is activity
- #2442 - We are running Namerd & Consul cluster in our environment ,getting below error frequently and that break application communication
- #2411 - Linkerd sporadically stops watching remote addresses in Namerd with thrift interpreter
Contributing Guide Code of Conduct -
sbt/sbt
sbt, the interactive build tool
- #8178 - Setting libraryDependencies := breaks eviction
- #8177 - `--no-server` doesn't seem to work
- #8175 - Compilation fails because inc_compile_3.zip files are still being used
- #8174 - pushRemoteCache does not send HTTP Authorization header
- #8160 - usePipelining sometimes breaks incremental compilation
- #8141 - SBT fails to compile bridges for module with older Scala version even when custom `javaHome` is set (it doesn't fork the compiler to compile the bridges)
Contributing Guide Code of Conduct -
microsoft/synapseml
Simple and Distributed Machine Learning
- #2401 - Uses SparkSession/Dataframe over SparkContext/RDD when writing model metadata
- #2395 - [BUG] crashed while call lightgbm fit method
- #2394 - [BUG]Inconsistent Training AUC after Saving/Loading Parquet Data
- #2393 - [BUG]mmlspark==0.18.1 BarrierJobUnsupportedRDDChainException
- #2392 - Stuck on LightGBM Distributed Training in PySpark – Hanging After Socket Communication
- #2355 - How to install to EMR from maven repository to /usr/lib/spark/jars
Contributing Guide Code of Conduct -
zio/zio
ZIO — A type-safe, composable library for async and concurrent programming in Scala
- #10051 - TestArrow.run/attempt is not stack safe
- #10050 - ZPipeline.splitOn merges adjacent strings together
- #10045 - [zio-test] incorrect comparison highlighting with array case class
- #10039 - [zio-test] Gen.fromZIO leaks memory
- #10037 - [zio-test] Relocate/suppress output.json.
- #10030 - Scala 3 explicit-nulls results in macro error when constructing ZLayer with Java objects
Contributing Guide Code of Conduct -
delta-io/delta
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
- #4976 - How to select variant type saved in delta lake
- #4963 - Add "table_type = DELTA" to the table properties
- #4954 - [BUG] Thread leaking when using UniForm
- #4948 - [delta]
- #4941 - [Feature Request] Skip creating FilteredColumnarBatch in ActiveAddFilesIterator if there is no active AddFiles in the batch
- #4930 - java.lang.NoClassDefFoundError: software/amazon/awssdk/core/exception/SdkException
Contributing Guide Code of Conduct -
twitter/scalding
A Scala API for Cascading
- #2001 - my account is closed
- #1998 - duplicate tags in pom files
- #1997 - incompatibility with recent java8 runtime environments due to hadoop
- #1988 - [Proposal] Support more sinks/sources in scalding-spark
- #1979 - Beam backend is missing some pipes
- #1971 - flake on optimization test
Contributing Guide Code of Conduct -
slick/slick
Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
- #3234 - Compilation hangs if the case class has a new field but slick.relational.Table doesn't have the new field yet. This is only true when using HNil
- #3125 - Filtering on slick table query is not working when using column not defined in projection
- #3051 - Scala 3: 22 fields limitation still exists
- #3030 - Java 8 support broken in Slick 3.5.2
- #3027 - Support Unique constraints (on multiple columns), and other constraints (such as Check constraints perhaps)
- #3026 - OracleProfile LocalDateTime can have 9 nanoseconds numbers but there is a restriction to just 3 in OracleProfile
Contributing Guide Code of Conduct -
http4s/http4s
A minimal, idiomatic Scala interface for HTTP
- #7697 - `Path.toRelative` can produce absolute paths
- #7696 - Path normalization turns absolute paths into relative ones
- #7668 - Ember server doesn't send full message without TCP_NODELAY
- #7655 - Ember Client fails when response completes before request
- #7648 - Support StaticFile on Native
- #7621 - Concerns regarding the use of `unsafeRunSync()` in logging functionality
Contributing Guide Code of Conduct -
circe/circe
Yet another JSON library for Scala
- #2393 - Automatic derivation of Codec for Scala 3 union types
- #2392 - Domain name registration
- #2386 - Road to version 1.0
- #2379 - Decoders derived with Configuration#strictDecoding fail fast at `decodeAccumulating`
- #2365 - No given instance of type io.circe.derivation.Default[this.Message] was found
- #2351 - How to remove null values in dictionaries and collections
Contributing Guide Code of Conduct -
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typelevel/fs2
Compositional, streaming I/O library for Scala
- #3567 - hold1 + concurrently releases bracket immediately
- #3560 - Improve unix sockets support
- #3542 - `fs2.interop.flow.PublisherToSubscriberSpec.should cancel upstream if downstream completes` flake
- #3541 - `fs2.interop.flow.PublisherToSubscriberSpec.should have the same output as input` timeout
- #3503 - fs2 gunzip doesn't support concatenated gzip files
- #3502 - Stream hangs on error with broadcastThrough and readOutputStream
Contributing Guide Code of Conduct -
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salesforce/transmogrifai
TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
- #579 - Docs & scaladoc websites are down
- #557 - Make RecordInsightsLOCO perform reasonable calculation on numeric features and fix the name to reflect actual calculation.
- #556 - Changing imputation for nulls in DateToUnitCircleTransformer
- #543 - Failed to run titanic example, got java.lang.AbstractMethodError
- #539 - Normalize special characters in string
- #535 - UV Computation
Contributing Guide Code of Conduct -
scalameta/metals
Scala language server with rich IDE features 🚀
- #7662 - No Diagnostics After External File Modifications
- #7658 - Ambiguous given instances when using bloop build server
- #7642 - Order of suggested completions: Extensions from companion should rank higher
- #7641 - metals.javaHome/javaVersion/metalsJavaHome are not effective in offline environment.
- #7634 - running a test from the gutter is not updated when the compilation finish
- #7630 - Fix issues when refactor might cause completion errors
Contributing Guide Code of Conduct -
typelevel/doobie
Functional JDBC layer for Scala.
- #2286 - Log row count in LogHandler
- #2285 - Provide useful stack traces
- #2273 - Doobie Type Mapping Issue with PostgreSQL NULL Arrays
- #2247 - Add doobie-postgres-tethys integration
- #2235 - Misleading import paths for Json/Jsonb stuff in doobie-postgres-circe module
- #2233 - Add support for Scala 3 enum derivation
Contributing Guide Code of Conduct -
zio/zio-quill
Compile-time Language Integrated Queries for Scala
- #3279 - Not compatible with zio-json since "4.8.4"
- #3257 - Incompatible with zio-schema-json ( zio-schema has reference to zio-json 0.7.38, but quill built with 0.6.2 )
- #3247 - Error type of a `transaction` seems too generic.
- #3242 - Can't use liftQuery with sql interpolator on Scala 2.x
- #3217 - SqlServerJdbcContext Timeouts
- #3165 - Option[List] type goes wrong in db when filter with a condition #541
Contributing Guide Code of Conduct