diff --git a/community-build/community-projects/cats b/community-build/community-projects/cats
index 771c6c802f59..46458272d33c 160000
--- a/community-build/community-projects/cats
+++ b/community-build/community-projects/cats
@@ -1 +1 @@
-Subproject commit 771c6c802f59c72dbc1be1898081c9c882ddfeb0
+Subproject commit 46458272d33c136a7c2d60646040679ce63c67d5
diff --git a/community-build/community-projects/cats-effect-3 b/community-build/community-projects/cats-effect-3
index 1d425e6efdf8..ab116dc954b6 160000
--- a/community-build/community-projects/cats-effect-3
+++ b/community-build/community-projects/cats-effect-3
@@ -1 +1 @@
-Subproject commit 1d425e6efdf8aee619a4a906e950473c51f78161
+Subproject commit ab116dc954b65a0799c6475055a77e0968af82a7
diff --git a/community-build/community-projects/endpoints4s b/community-build/community-projects/endpoints4s
index 3a667a3608ff..af057da29fc8 160000
--- a/community-build/community-projects/endpoints4s
+++ b/community-build/community-projects/endpoints4s
@@ -1 +1 @@
-Subproject commit 3a667a3608ff9950c24e9b2b5038c71c1690a21d
+Subproject commit af057da29fc81344f4316c300198e9bdcae85006
diff --git a/community-build/community-projects/intent b/community-build/community-projects/intent
index 466662fb36ed..ab0fad2340eb 160000
--- a/community-build/community-projects/intent
+++ b/community-build/community-projects/intent
@@ -1 +1 @@
-Subproject commit 466662fb36ed38d1f045449682bdc109496c6b2d
+Subproject commit ab0fad2340eb3966fda4203cf79d29b50994069d
diff --git a/community-build/community-projects/minitest b/community-build/community-projects/minitest
index fb23874c030f..27a9a5504444 160000
--- a/community-build/community-projects/minitest
+++ b/community-build/community-projects/minitest
@@ -1 +1 @@
-Subproject commit fb23874c030fea4f8d6b160fd4df45bde71ca02b
+Subproject commit 27a9a55044445e9acd96f1ce86240ef0d6fbae1f
diff --git a/community-build/community-projects/munit b/community-build/community-projects/munit
index 5c77d7316fc6..fec8b75ff69b 160000
--- a/community-build/community-projects/munit
+++ b/community-build/community-projects/munit
@@ -1 +1 @@
-Subproject commit 5c77d7316fc66adaed64e9532ee0a45a668b01ec
+Subproject commit fec8b75ff69b43000cc9297e73506f8b1abfc0de
diff --git a/community-build/community-projects/scala-collection-compat b/community-build/community-projects/scala-collection-compat
index b39b4b64732d..7ba80be2439f 160000
--- a/community-build/community-projects/scala-collection-compat
+++ b/community-build/community-projects/scala-collection-compat
@@ -1 +1 @@
-Subproject commit b39b4b64732d9dd5e0f065e4180f656237ac4444
+Subproject commit 7ba80be2439f22577502ca01432a99853867ee01
diff --git a/community-build/community-projects/scala-parser-combinators b/community-build/community-projects/scala-parser-combinators
index f2f0b4f89e1f..1253ea3c8519 160000
--- a/community-build/community-projects/scala-parser-combinators
+++ b/community-build/community-projects/scala-parser-combinators
@@ -1 +1 @@
-Subproject commit f2f0b4f89e1fc0ffb67bbc3f93567b866880a01b
+Subproject commit 1253ea3c8519fe1001a7b01d34711e17d1b9a394
diff --git a/community-build/community-projects/scalacheck b/community-build/community-projects/scalacheck
index fbfaabd7b628..c72a6fd1c4b8 160000
--- a/community-build/community-projects/scalacheck
+++ b/community-build/community-projects/scalacheck
@@ -1 +1 @@
-Subproject commit fbfaabd7b628e9b0d8f78ed8a91a0672cf56ba15
+Subproject commit c72a6fd1c4b8118401d86c24a9ba995b5aafeed6
diff --git a/community-build/community-projects/scalatestplus-junit b/community-build/community-projects/scalatestplus-junit
index ce02c8628b56..e5b13957c774 160000
--- a/community-build/community-projects/scalatestplus-junit
+++ b/community-build/community-projects/scalatestplus-junit
@@ -1 +1 @@
-Subproject commit ce02c8628b56c18e3df5405af6084a9e092423be
+Subproject commit e5b13957c77448a3f953836980695dbc1658b9ab
diff --git a/community-build/community-projects/scalatestplus-scalacheck b/community-build/community-projects/scalatestplus-scalacheck
index 32e7dc67a949..ee5c16198f03 160000
--- a/community-build/community-projects/scalatestplus-scalacheck
+++ b/community-build/community-projects/scalatestplus-scalacheck
@@ -1 +1 @@
-Subproject commit 32e7dc67a9490147e6a04be9125c3ef0940d6819
+Subproject commit ee5c16198f03f49d69b3de2b03605dd05434b8c6
diff --git a/community-build/community-projects/scodec b/community-build/community-projects/scodec
index 96a77ecaaf91..7e6e9c819169 160000
--- a/community-build/community-projects/scodec
+++ b/community-build/community-projects/scodec
@@ -1 +1 @@
-Subproject commit 96a77ecaaf913f195bb4079966a2e9fb41ce214e
+Subproject commit 7e6e9c81916930469a6a4fafa05fcca210a6e855
diff --git a/community-build/community-projects/scodec-bits b/community-build/community-projects/scodec-bits
index 5081dc10310d..d539c937316e 160000
--- a/community-build/community-projects/scodec-bits
+++ b/community-build/community-projects/scodec-bits
@@ -1 +1 @@
-Subproject commit 5081dc10310dc2010d3b968c2772d72b57eb7d1c
+Subproject commit d539c937316e076f768c618fb3d762052f7639ba
diff --git a/community-build/community-projects/verify b/community-build/community-projects/verify
index ae37d7e153fc..539530784b05 160000
--- a/community-build/community-projects/verify
+++ b/community-build/community-projects/verify
@@ -1 +1 @@
-Subproject commit ae37d7e153fc62d64c40a72c45f810511aef2e01
+Subproject commit 539530784b05897fa884dece3932197f430f9564
diff --git a/community-build/src/scala/dotty/communitybuild/projects.scala b/community-build/src/scala/dotty/communitybuild/projects.scala
index ae030dc66336..41c95f058e18 100644
--- a/community-build/src/scala/dotty/communitybuild/projects.scala
+++ b/community-build/src/scala/dotty/communitybuild/projects.scala
@@ -150,6 +150,7 @@ object SbtCommunityProject:
   def scalacOptions = List(
     "-Xcheck-macros",
     "-Ysafe-init",
+    "-Yexplicit-nulls",
   )
 
 object projects:
@@ -290,7 +291,8 @@ object projects:
     // Problem parsing scalatest.dotty/target/scala-3.0.0-M2/src_managed/main/org/scalatest/concurrent/ConductorFixture.scala:[602..624..3843], documentation may not be generated.
     // dotty.tools.dotc.core.MissingType:
     dependencies = List(scalaXml),
-    testOnlyDependencies = () => List(scalatestplusJunit, scalatestplusTestNG)
+    testOnlyDependencies = () => List(scalatestplusJunit, scalatestplusTestNG),
+    scalacOptions = SbtCommunityProject.scalacOptions.filter(_ != "-Yexplicit-nulls")
   )
 
   lazy val scalatestplusScalacheck = SbtCommunityProject(
@@ -319,7 +321,8 @@ object projects:
     project       = "scala-xml",
     sbtTestCommand = "xml/test",
     sbtPublishCommand = "xml/publishLocal",
-    sbtDocCommand = "xml/doc"
+    sbtDocCommand = "xml/doc",
+    scalacOptions = SbtCommunityProject.scalacOptions.filter(_ != "-Yexplicit-nulls"),
   )
 
   lazy val scalap = SbtCommunityProject(
diff --git a/library/src/scala/runtime/stdLibPatches/Predef.scala b/library/src/scala/runtime/stdLibPatches/Predef.scala
index 2146254a9467..3d8a2a2cb8a5 100644
--- a/library/src/scala/runtime/stdLibPatches/Predef.scala
+++ b/library/src/scala/runtime/stdLibPatches/Predef.scala
@@ -62,4 +62,5 @@ object Predef:
      *  `eq` or `ne` methods, only `==` and `!=` inherited from `Any`. */
     inline def ne(inline y: AnyRef | Null): Boolean =
       !(x eq y)
+  extension (inline opt: Option.type) inline def fromNullable[T](t: T|Null): Option[T] = Option(t).asInstanceOf
 end Predef