Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
306 results
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akka/akka
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
- #32801 - Split Brain Resolver downs whole cluster during Kubernetes rolling update due to indirectly connected nodes
- #32797 - Failed: PendingGetShardHomesSpec
- #32789 - feat: Add self-healing capabilities around shard state consistency
- #32782 - failed: ShutdownAfterJoinSeedNodesSpec
- #32778 - Failed: Multi node test GKE cluster InternalError
- #32777 - Failed: ClusterSingletonApiSpec (Aeron UDP)
Contributing Guide Code of Conduct -
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 -
playframework/playframework
The Community Maintained High Velocity Web Framework For Java and Scala.
- #13595 - feature request: add Scala 3 context function methods to Action
- #13589 - Isolate Selenium from play.api.test.Helpers
- #13563 - Feature Request: Allow Type Parameters in Routes
- #13523 - Document sbt-digest's `indexWriter` to make use of fingerprinted assets in JavaScript
- #13513 - Gradle Plugin: "playRun" and project dependencies
- #13512 - Gradle Plugin: Gradle "project" system property
Contributing Guide Code of Conduct -
typelevel/cats
Lightweight, modular, and extensible library for functional programming.
- #4770 - Tuple semigroupal syntax widens constant type in Scala 3
- #4763 - `NonEmptyList` lacks def `updated` at index
- #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
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
- #8335 - [2.x] stdout does not work if `Test / fork := true`
- #8334 - [2.x] sbt 2 classpath issue
- #8333 - Failed to compile - Could not find required component 'xsbti'
- #8328 - [2.x] object internal does not have a member method erasedValue
- #8326 - ParseKeySpec flaky
- #8300 - SBT ignores JDK used in launcher in --bsp mode
Contributing Guide Code of Conduct -
microsoft/synapseml
Simple and Distributed Machine Learning
- #2433 - Feature Request: Support for GPT-5 configurable parameters
- #2425 - Error: no module named 'synapse.ml'
- #2420 - [BUG] AzureSearchWriter sends GeographyPoint field as JSON string instead of GeoJSON object, causing Azure AI Search request failure.
- #2417 - [BUG] ONNXModel fails in local Spark 3.5.6 environment
- #2416 - How do I generate the evaluation results when using early stopping
- #2414 - For spark 3.1.1, which version of SynapseML should I choose?
Contributing Guide Code of Conduct -
chipsalliance/chisel
Chisel: A Modern Hardware Design Language
- #5052 - Verilator reports error when using ChiselSim while BlackBox modules contain `initial` block
- #5049 - [Scala3] SouceLine support for VerificationStatement API
- #5038 - Double-boring can lead to FIRRTL with sink on the RHS of a propassign
- #5001 - HierarchicalModuleName does not work with assert
- #4996 - `stop(msg)` does not emit correct verilog
- #4986 - Allow zero length VecInit()
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
- #5319 - [Feature Request] Implement kernel-based dsv2 delta streaming source (M2: support advanced read options)
- #5318 - [Feature Request] Implement kernel-based dsv2 delta streaming source (M1: basic functionalities)
- #5310 - [Feature Request] Use DeltaParquetFileFormat in kernel-spark connector to enable column mapping
- #5308 - [Feature Request] Table-level Sort Order Specification for OPTIMIZE operations
- #5296 - [BUG][Spark] Deletion Vectors cause errors in delta merge when column "path" present in schema
- #5272 - [BUG][Kernel] _last_checkpoint can be corrupted by concurrent writers
Contributing Guide Code of Conduct -
zio/zio
ZIO — A type-safe, composable library for async and concurrent programming in Scala
- #10190 - Documentation: Atomic Modify with Continuation
- #10187 - [zio-test] `checkAll(Gen.elements(???))` doesn't check all test cases
- #10185 - `ZLayer` cache ignores differences in inputs / requirements
- #10181 - Increased GC pressure since ZIO 2.1.20
- #10179 - ZLayer.make fails with covariant type constructors on Scala 3
- #10174 - Confused for schedules for Fixed Points in Time?
Contributing Guide Code of Conduct -
chipsalliance/rocket-chip
Rocket Chip Generator
- #3761 - Confusing assertion error in TLAtomicAutomata
- #3756 - The system starts up particularly slowly,Copying data from the SD card is particularly slow.
- #3755 - Support for Cache Discard Instruction (e.g., CDISCARD) in Rocketchip
- #3753 - Query Regarding tohost System Call Handling in Rocket Chip
- #3752 - Query Regarding Memory Access Exception Handling in Rocket Chip
- #3751 - Query Regarding Simulator Discrepancies in Exception Handling and Data Consistency for Specific Memory Accesses
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
- #3268 - distinctOn doesn't work with "outer" sortBy without explicit subquery
- #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
- #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
- #7737 - Draining response body using exceptOr method runs the observe in pipe applied in middleware to response body in Default Client but doesn't do it on ember client.
- #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
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
- #2365 - No given instance of type io.circe.derivation.Default[this.Message] was found
- #2351 - How to remove null values in dictionaries and collections
- #2326 - Support deriving Encoder / Decoder for `NamedTuples` ?
Contributing Guide Code of Conduct -
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typelevel/fs2
Compositional, streaming I/O library for Scala
- #3611 - Private key and certificates on repo
- #3608 - Create another version of groupWithin() which won't create a singleton chunk when elements are available in bulk after being idle for a long time
- #3607 - Unexpected behavior of onFinalize behavior
- #3605 - Add support for QUIC to fs2.io.net
- #3595 - Investigate intermittent test failure in ParEvalMapSuite
- #3590 - Test http4s servers fail release bound port on shutdown when using fs2 3.12.0
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 🚀
- #7882 - Test failures in Scala 2 community build on 2.13.18 nightlies
- #7881 - When running a test with `(`, it is ignored (munit)
- #7872 - Completions stop working dotty.tools.dotc.CompilationUnit$SuspendException
- #7844 - `MatchError` in presentation compiler on import and recompilations
- #7824 - Don't auto-insert `)` between `(` and `"`
- #7804 - scala.reflect.internal.FatalError:
Contributing Guide Code of Conduct
