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scalacenter

16 indexed repositories · View on GitHub

bloop
Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.

Scala · 943 stars
scalafix
Refactoring and linting tool for Scala

Scala · 875 stars
scastie
An interactive playground for Scala

Scala · 439 stars
scaladex
The Scala Package Index

Scala · 223 stars
sbt-missinglink
An sbt plugin for missinglink

Scala · 136 stars
scalac-profiling
Compilation profiling tool for Scala 2 projects

Scala · 131 stars
scala3-migrate
A tool to help migrating from Scala 2 to Scala 3

Scala · 113 stars
sbt-version-policy
Compatibility checks for your dependencies

Scala · 85 stars
sbt-dependency-submission
A Github Action to submit the dependency graph of an sbt build to the Dependency Submission API

Scala · 72 stars
scala-debug-adapter
Implementation of the Debug Adapter Protocol for Scala

Scala · 66 stars
tasty-query

Scala · 61 stars
scalafix.g8
Giter8 template to implement custom rewrites

Scala · 10 stars
gradle-bloop
Gradle plugin for Bloop

Scala · 9 stars
homebrew-bloop
Homebrew formula for Bloop

Ruby · 2 stars
bloop-config
Bloop configuration library

Scala · 1 star
scoop-bloop

0 stars

Beginner friendly Everything

Open All

DisableSyntax.keywords = [forSome] never reports anything Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

scalacenter/scalafix#2522 · Opened Sep 18, 2026
lint.ignore has no effect despite being documented as suppressing diagnostics Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

scalacenter/scalafix#2521 · Opened Sep 18, 2026
Warnings from previous compiles are silently dropped by the default CLI reporter Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

scalacenter/bloop#3061 · Opened Sep 9, 2026
Error downloading ch.epfl.scala:sbt-github-dependency-submission Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

scalacenter/sbt-dependency-submission#389 · 1 comment · Opened Sep 4, 2026
cli: repeated --[tool-]classpath arguments are silently ignored Open

cli enhancement good first issue

Difficulty 3/5 1-2 days Newbie friendliness 68/100

scalacenter/scalafix#2501 · 2 comments · Opened Sep 1, 2026
Sonatype does not use publish API or the publish API is broken Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

scalacenter/scaladex#1778 · 2 comments · 1 reaction · Opened Aug 26, 2026
The response body of error 503 is not valid JSON Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

scalacenter/scaladex#1726 · Opened Aug 5, 2026
Implement API rate limits to prevent abuse Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 35/100

scalacenter/scaladex#1725 · Opened Aug 4, 2026
Scala version does not sync properly Open

bug needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 58/100

scalacenter/scastie#1294 · Opened Jul 31, 2026
Bloop returns wrong errors Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

scalacenter/bloop#3034 · 4 comments · Opened Jul 30, 2026
CommandsDocGenerator produces broken output since the case-app 2.x migration, and CI can't notice Open

docs priority / low

Difficulty 4/5 3-5 days Newbie friendliness 68/100

scalacenter/bloop#3024 · 1 comment · Opened Jul 23, 2026
OrganizeImports: regex alternation (|) in groups config doesn't match imports correctly Open

bug good first issue OrganizeImports

Difficulty 3/5 1-2 days Newbie friendliness 70/100

scalacenter/scalafix#2477 · 4 comments · Opened Jul 14, 2026
Why are we getting double PRs from Scala Steward? Open

scalacenter/sbt-version-policy#278 · 1 assignee · Opened Jul 3, 2026
Fails with "Missing environment variable GITHUB_TOKEN. This task must run in a Github Action" after upgrading to sbt 2 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

scalacenter/sbt-dependency-submission#364 · Opened Jun 16, 2026
Provide machine-readable output for lint & rewrite rules Open

cli feature interfaces

Difficulty 5/5 Over a week Newbie friendliness 45/100

scalacenter/scalafix#2459 · 3 comments · Opened Jun 15, 2026
Allow JVM version selection (at least LTS versions) Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

scalacenter/scastie#1291 · Opened Jun 11, 2026
Problem adding library dependencies Open

bug needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scalacenter/scastie#1282 · 1 comment · Opened Apr 21, 2026
I'm getting this error when attempting to debug a Scala 3.8.2 compiled program from Vscode: Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

scalacenter/scala-debug-adapter#958 · 1 comment · Opened Apr 19, 2026
[Bug] Wrong library version after organization change Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

scalacenter/scaladex#1694 · Opened Apr 11, 2026
Bloop CLI fails (again/still?) with Uninitialized TermDisplay Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

scalacenter/bloop#2905 · 2 comments · Opened Mar 30, 2026
[Bug] https://index.scala-lang.org/ returning 502 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scalacenter/scaladex#1687 · 12 comments · Opened Mar 29, 2026
Using Scala-cli leads to crash Open

bug needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 52/100

scalacenter/scastie#1279 · 6 comments · Opened Mar 28, 2026
SBT Runners status zombie tasks? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

scalacenter/scastie#1275 · Opened Mar 16, 2026
Cannot run snippets with old Scala versions 2.13.x (like 2.13.0) Open

bug needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scalacenter/scastie#1272 · 8 comments · Opened Mar 5, 2026
Differing Color Themes Scala Docs <-> Scastie Open

bug needs-triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

scalacenter/scastie#1267 · Opened Mar 2, 2026
Tab does not indent code Open

bug needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

scalacenter/scastie#1261 · Opened Feb 20, 2026
Implement better Scaladex search Open

good-first-issue

Difficulty 5/5 Over a week Newbie friendliness 35/100

scalacenter/scastie#1260 · Opened Feb 20, 2026
Autoimports go above using directives (this is strange I thought we handle it at compiler level) Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

scalacenter/scastie#1206 · 1 comment · Opened Nov 14, 2025
snippets missing, bad seo Open

bug needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scalacenter/scastie#1204 · 7 comments · Opened Nov 14, 2025
https://github.com/scalacenter/scastie/actions/runs/19043005322/job/54384451768 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

scalacenter/scastie#1192 · Opened Nov 5, 2025
No completions on using directive dependencies Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

scalacenter/scastie#1185 · 1 comment · Opened Nov 5, 2025
Switching between scala version / target type : js => scala 3 => js does not update read only plugin versions Open

bug needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 20/100

scalacenter/scastie#1178 · 1 comment · Opened Nov 5, 2025
Can't add maven dependency via search Open

bug needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scalacenter/scastie#1165 · 1 comment · Opened Oct 14, 2025
Dependency snapshot includes evicted transitive dependency Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

scalacenter/sbt-dependency-submission#266 · 3 comments · Opened Aug 27, 2025
Missing breakpoint when enclosing class contains package name Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scalacenter/scala-debug-adapter#886 · Opened Aug 17, 2025
Feature Request: Use .config/bloop/ for project level settings Open

configuration format help wanted priority / low

Difficulty 5/5 Over a week Newbie friendliness 35/100

scalacenter/bloop#2698 · 14 reactions · Opened Jul 10, 2025
Keep a trace of compiled files Open

enhancement ergonomics

scalacenter/bloop#2697 · 2 comments · 1 assignee · Opened Jul 8, 2025
[Bug] dotty-cps-async shows old version (before migration to other organization) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scalacenter/scaladex#1594 · 2 comments · Opened Jun 28, 2025
ExplicitResultTypes seems to ignore rewriteStructuralTypesToNamedSubclass = false Open

ExplicitResultTypes feature

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scalacenter/scalafix#2262 · 1 comment · Opened Jun 25, 2025
ExplicitResultTypes silently does nothing with invalid classpath Open

ExplicitResultTypes feature

Difficulty 3/5 1-2 days Newbie friendliness 38/100

scalacenter/scalafix#2261 · Opened Jun 24, 2025
A simple gradle 8.14 + jdk24 build does not seems to work Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

scalacenter/gradle-bloop#186 · Opened May 30, 2025
why does it switch to scala 2.11 when my code is all on scala version 2.13 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scalacenter/sbt-dependency-submission#257 · 1 comment · Opened May 5, 2025
[Bug] Information about ScalaFX shows very old version, incorrect artifact Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 50/100

scalacenter/scaladex#1576 · 2 comments · Opened Apr 30, 2025
Bloop uses all of my CPU and won't stop until I send it SIGKILL Open

needs more info needs reproduction

Difficulty 5/5 Over a week Newbie friendliness 25/100

scalacenter/bloop#2659 · 5 comments · Opened Apr 28, 2025
Unclear error message when configuration attribute is not properly set Open

documentation upstream

Difficulty 3/5 1-2 days Newbie friendliness 45/100

scalacenter/scalafix#2230 · 4 comments · Opened Apr 15, 2025
[Bug] Missing newer versions of sbt-license-report Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scalacenter/scaladex#1572 · Opened Apr 7, 2025
UX: bloop help is not exteremely friendly Open

cli difficulty / easy help wanted priority / low

Difficulty 3/5 1-2 days Newbie friendliness 35/100

scalacenter/bloop#2650 · 2 comments · 1 reaction · Opened Apr 4, 2025
Support dependency sources from a directory, not a JAR Open

help wanted priority / low

Difficulty 4/5 3-5 days Newbie friendliness 35/100

scalacenter/bloop#2649 · 5 comments · Opened Mar 31, 2025
[sbt 2.x] Cached/incremental invocations across builds & machines Open

feature sbt

Difficulty 4/5 3-5 days Newbie friendliness 42/100

scalacenter/scalafix#2216 · Opened Mar 28, 2025
Add a way to get documentation for symbol Open

scalacenter/tasty-query#452 · 3 comments · 1 assignee · Opened Mar 20, 2025

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