Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
305 results
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akka/akka-core
A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
- #32859 - Release 2.10.14
- #32817 - bug: Sometimes when using app-version an entire node will not receive any projections in cluster sharding
- #32814 - feat: allow persistence plugins to opt-out of (or take responsibility for) the circuit breaker
- #32811 - Make event metadata optional in case of deserialization errors
- #32801 - Split Brain Resolver downs whole cluster during Kubernetes rolling update due to indirectly connected nodes
- #32797 - Failed: PendingGetShardHomesSpec
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.
- #4795 - Add commonly known operators to algebra type classes
- #4792 - Named version of `mapN` and friends
- #4789 - OptionIdOps.some should handle nulls correctly
- #4788 - Add EuclidianRing[Int, Long, Short, Byte] to Alleycats
- #4787 - IArray instances (Scala 3)
- #4783 - Warning: "Calls to parameterless method compose will be easy to mistake for calls to overloads which have a single implicit parameter list"
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
- #8400 - dependencyTree loses track of dependency if it has <relocated> tag in POM
- #8396 - [1.x] doc fails with "ClassNotFoundException: dotty.tools.dottydoc.Main"
- #8393 - `ResolverExtra.combineDefaultResolvers` appears to ignore passed in resolvers
- #8389 - When `loadFailed` is triggered and the subsequent task is also failing, sbt process is terminated
- #8376 - sbt fails to evict transitive scala-library 2.13.16 if scala-library 3.x is published to Ivy Local
- #8367 - [2.x] When `crossPaths := false` the output directory still contains the Scala version
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
- #5643 - [Feature Request] Support CDC in kernel-based dsv2 delta streaming source
- #5631 - [Feature Request] Require partition filter
- #5624 - Add the test abstraction so that we can design delta integration tests run agaist both locally OSS UC server and external OSS UC server
- #5623 - [Feature Request][Spark] Support ServerSide Table Scan Planning for Fine-Grained Access Control
- #5611 - [Feature Request][Spark] Vacuum progress logging for better observability
- #5594 - [Feature Request][Spark] Add table identifier for VACUUM log messages for better observability
Contributing Guide Code of Conduct -
chipsalliance/chisel
Chisel: A Modern Hardware Design Language
- #5107 - Line up poke() and register output changes in .vcd trace
- #5100 - Chisel 8 Tracker
- #5078 - Adding custom information to Chisel for CIRCT Passes
- #5077 - [chiselsim] `stepUntil`, but asserting if it doesn't happen?
- #5061 - Naming plugin support for arguments
- #5049 - [Scala3] SouceLine support for VerificationStatement API
Contributing Guide Code of Conduct -
microsoft/synapseml
Simple and Distributed Machine Learning
- #2452 - Error Training LGBM Classifier on Databricks
- #2442 - LightGBM numBatches and earlyStoppingRound conflict
- #2441 - When will EBMs be released to the public?
- #2438 - Error Training LGBM Regressor on Fabric
- #2433 - Feature Request: Support for GPT-5 configurable parameters
- #2425 - Error: no module named 'synapse.ml'
Contributing Guide Code of Conduct -
zio/zio
ZIO — A type-safe, composable library for async and concurrent programming in Scala
- #10270 - Consider removing `foreach` override in `BitChunk`
- #10269 - Rechunking to a smaller size in the peeling Sink seems to break the `peel` contract
- #10260 - .sandbox allows 'full' recovery from external interruption when in an uninterruptible region
- #10222 - Remove `catchNonFatalOrDie` operator
- #10208 - Infinite loop when exception is thrown during execution of `ZIO.failCause`
- #10187 - [zio-test] `checkAll(Gen.elements(???))` doesn't check all test cases
Contributing Guide Code of Conduct -
chipsalliance/rocket-chip
Rocket Chip Generator
- #3774 - [BUG] Long-latency instruction writeback is incorrectly attributed to a trapping instruction's PC in the Commit Log
- #3773 - [Bug]RV32D `fld` leaves the upper 32 bits stale
- #3772 - No file error when compiling Make Verilog
- #3770 - make run-binary-debug failed, unable to generate complete waveform
- #3768 - [Bug?] DCache AMO store_data Returns Wrong Value
- #3761 - Confusing assertion error in TLAtomicAutomata
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
- #3304 - Please support sortBy subquery
- #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)
Contributing Guide Code of Conduct -
http4s/http4s
A minimal, idiomatic Scala interface for HTTP
- #7749 - No request/response body sizes recorded by Metrics middlewares
- #7741 - the page containing the EPUB version of the docuementation has not been listed in the sidebar of the "Quick Start" page
- #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
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
- #3636 - Emit a last stream on cancel
- #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
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 🚀
- #7999 - Inlay hints show parent classes for x-ray mode
- #7998 - Don't infer method in select position
- #7997 - Scala metals 1.6.4 logs not always show why Future timed out
- #7974 - Could not find a line from stack traces
- #7970 - Add auto imports for Java
- #7956 - Go-to-definition doesn’t work correctly for Scala scripts in versions after 3.7.0
Contributing Guide Code of Conduct
