Scala3 Play3 Apache Pekko migration - #2595

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mathieuancelin wants to merge 86 commits into

scala3-play3-pekko-migration

Commits on Jun 12, 2026

Phase 1: build → Scala 3.8.3 / Play 3.0.10 / Pekko 1.6
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Phase 2: mechanical akka → org.apache.pekko rename (app/test/conf)
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Phase 3: forced rewrites (kaleidoscope, runtime reflection, swagger)
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Phase 4 (1/n): Scala 3 migration mode, keyword backticks, explicit implicit types
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Phase 4 (2/n): Play 3 ActionBuilder ambiguity + Scala 2.13 collection fixes
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Phase 4 (3/n): netty implicits, mapValues brace-form, asScala converter, JsonValidator toSeq
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Phase 4 (4/n): MutableList→ListBuffer, reactor Consumer, ActionBuilder paren/parser forms
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Phase 4 (5/n): treerouter routes.toSeq + getOrElse(Seq.empty).toSeq
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Phase 4 (6/n): CollectionConverters wildcard, r-shadowing, println auto-tupling, WSResponse.body[String]
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Phase 4 (7/n): scala.jdk single-name imports, println tuples, globalConfig type
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Phase 4 (8/n): graphql JsNumber(Float).toDouble, sliceArrayWithArgs collection.IndexedSeq, ClassTag Array.empty[String]
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Phase 4 (9/n): rediscala (using actorSystem), JsArray.value.toSeq at source
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Phase 4 (10/n): doc.scala toSeq, WSCookie safeCookies.toSeq, webhooks error() collection.Seq param
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Phase 4 (11/n): explicit type on implicit val logger = Logger(...) (fixes EnhancedRow implicit Logger)
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Phase 4 (12/n): rediscala (using actorSystem) constructors, reactivepg redis: ReactivePgRedis
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Phase 4 (13/n): export backtick (stateexporter), PekkoHttpServerComponents, PekkoSSLConfig, breakOut→toSet, Right/rbac/polyfill/cookies toSeq
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Phase 4 (14/n): jwt remove unused parallel import, CustomCollector collect(), more toSeq (oauth/workflow/teams/analytics), script.scala JsError collection.Seq
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Phase 4 (15/n): asEither collection.Seq return types, more arr.value/.collect toSeq (oidc/EntityFiltering/OpenapiToJson)
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Phase 4 (16/n): KaleidoscopeShim use scala.util.matching.Regex (shadowed by otoroshi.utils.Regex), gzip breakOut, filterKeys/coraza toSeq
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Phase 4 (17/n): rediscala fork SentinelMonitoredRedisClient username param, izanami response type, sangria InterfaceTypeDefinition interfaces=
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Phase 4 (18/n): dyn.scala ssl-config adaptation (secure defaults), sliceArrayWithArgs collection.Seq, OpenapiToJson/oidc/sources/netty toSeq, coraza wasm host fns
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Phase 4 (19/n): newTargets/greenrules toSeq, h1h2client drop ambiguous JavaConverters, netty request varargs toSeq
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Phase 4 (20/n): h1h2client drop local JavaConverters, eureka body[String], api.scala headers immutable, graphql validateQuery args, html applyOnIf explicit lambda, sources/entities toSeq
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Phase 4 (21/n): Source[ByteString,Any] ascription for applyOn/applyOnIf existential, graphql untag urlArg, vertx pool.close handler
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Phase 4 (22/n): graphql resolve JsValue, tailscale ResponseReceiver ascription, kubernetes body[String]/toSeq, coraza immutable Seq
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Phase 4 (23/n): tailscale ResponseReceiver asInstanceOf cast
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Phase 4 (24/n): Play 3 WSRequest withDisableUrlEncoding/addCookies stubs, coraza Seq import, xml class not case-class, sangria validateQuery 4-arg
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Phase 4 (25/25): coraza directives toSeq — app/ COMPILES on Scala 3 / Play 3 / Pekko (1874 → 0 errors)
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Commits on Jun 13, 2026

Commits on Jun 15, 2026

cleanup
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Commits on Jul 2, 2026

fix #2596
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fix #2597
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fix #2598
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remove log
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Increase sbt heap size to avoid heap space errors at compilation

ptitFicus
authored and
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read audiance as array (fix #2607)
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fix #2608
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fix weird scrolling behaviour

Zwiterrion
authored and
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completly remove ace

Zwiterrion
authored and
mathieuancelin
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fix: report declared legacy quotas on apikey quotas endpoint

Zwiterrion
authored and
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fix: stop sending removed _type to elasticsearch 8 on writes

Zwiterrion
authored and
mathieuancelin
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add a button to fill es cluster version - fix #2614
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add alert on error
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adapt ElasticWritesAnalyticsSpec to Scala 3 ScalaTest API
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update js deps
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Commits on Jul 3, 2026

Commits on Jul 6, 2026

Commits on Jul 8, 2026