diff --git a/build.sbt b/build.sbt
index ff2085c..da78163 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@
 val Organization = "io.github.gitbucket"
 val Name = "gitbucket"
 val GitBucketVersion = "4.35.0"
-val ScalatraVersion = "2.7.0"
+val ScalatraVersion = "2.7.1"
 val JettyVersion = "9.4.32.v20200930"
 val JgitVersion = "5.9.0.202009080501-r"
 
@@ -17,7 +17,7 @@
 organization := Organization
 name := Name
 version := GitBucketVersion
-scalaVersion := "2.13.1"
+scalaVersion := "2.13.3"
 
 scalafmtOnCompile := true
 
@@ -75,7 +75,7 @@
 )
 
 // Compiler settings
-scalacOptions := Seq("-deprecation", "-language:postfixOps", "-opt:l:method")
+scalacOptions := Seq("-deprecation", "-language:postfixOps", "-opt:l:method", "-feature")
 javacOptions in compile ++= Seq("-target", "8", "-source", "8")
 javaOptions in Jetty += "-Dlogback.configurationFile=/logback-dev.xml"
 
diff --git a/project/build.properties b/project/build.properties
index 7de0a93..d91c272 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.4.4
+sbt.version=1.4.6
diff --git a/src/main/scala/gitbucket/core/controller/ControllerBase.scala b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
index a4bc72c..e5d3d0c 100644
--- a/src/main/scala/gitbucket/core/controller/ControllerBase.scala
+++ b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
@@ -421,7 +421,7 @@
     "new"
   )
 
-  protected def reservedNames(): Constraint = new Constraint() {
+  protected def reservedNames: Constraint = new Constraint() {
     override def validate(name: String, value: String, messages: Messages): Option[String] =
       if (allReservedNames.contains(value.toLowerCase)) {
         Some(s"${value} is reserved")
diff --git a/src/main/scala/gitbucket/core/controller/FileUploadController.scala b/src/main/scala/gitbucket/core/controller/FileUploadController.scala
index 61516bb..69cc725 100644
--- a/src/main/scala/gitbucket/core/controller/FileUploadController.scala
+++ b/src/main/scala/gitbucket/core/controller/FileUploadController.scala
@@ -37,7 +37,7 @@
     execute(
       { (file, fileId) =>
         FileUtils
-          .writeByteArrayToFile(new File(getTemporaryDir(session.getId), FileUtil.checkFilename(fileId)), file.get)
+          .writeByteArrayToFile(new File(getTemporaryDir(session.getId), FileUtil.checkFilename(fileId)), file.get())
         session += Keys.Session.Upload(fileId) -> file.name
       },
       FileUtil.isImage
@@ -49,7 +49,7 @@
     execute(
       { (file, fileId) =>
         FileUtils
-          .writeByteArrayToFile(new File(getTemporaryDir(session.getId), FileUtil.checkFilename(fileId)), file.get)
+          .writeByteArrayToFile(new File(getTemporaryDir(session.getId), FileUtil.checkFilename(fileId)), file.get())
         session += Keys.Session.Upload(fileId) -> file.name
       },
       _ => true
@@ -65,7 +65,7 @@
             getAttachedDir(params("owner"), params("repository")),
             FileUtil.checkFilename(fileId + "." + FileUtil.getExtension(file.getName))
           ),
-          file.get
+          file.get()
         )
       },
       _ => true
@@ -144,7 +144,7 @@
             { (file, fileId) =>
               FileUtils.writeByteArrayToFile(
                 new File(getReleaseFilesDir(owner, repository), FileUtil.checkFilename(tag + "/" + fileId)),
-                file.get
+                file.get()
               )
             },
             _ => true
diff --git a/src/main/scala/gitbucket/core/controller/api/ApiPullRequestControllerBase.scala b/src/main/scala/gitbucket/core/controller/api/ApiPullRequestControllerBase.scala
index 1774f82..bc6c6b1 100644
--- a/src/main/scala/gitbucket/core/controller/api/ApiPullRequestControllerBase.scala
+++ b/src/main/scala/gitbucket/core/controller/api/ApiPullRequestControllerBase.scala
@@ -230,9 +230,9 @@
       if (checkConflict(repository.owner, repository.name, pullReq.branch, issueId).isDefined) {
         NoContent
       } else {
-        NotFound
+        NotFound()
       }
-    }).getOrElse(NotFound)
+    }).getOrElse(NotFound())
   })
 
   /*
diff --git a/src/main/scala/gitbucket/core/model/AccessToken.scala b/src/main/scala/gitbucket/core/model/AccessToken.scala
index c952c03..694fbff 100644
--- a/src/main/scala/gitbucket/core/model/AccessToken.scala
+++ b/src/main/scala/gitbucket/core/model/AccessToken.scala
@@ -10,7 +10,7 @@
     val userName = column[String]("USER_NAME")
     val tokenHash = column[String]("TOKEN_HASH")
     val note = column[String]("NOTE")
-    def * = (accessTokenId, userName, tokenHash, note) <> (AccessToken.tupled, AccessToken.unapply)
+    def * = (accessTokenId, userName, tokenHash, note).<>(AccessToken.tupled, AccessToken.unapply)
   }
 }
 case class AccessToken(
diff --git a/src/main/scala/gitbucket/core/model/Account.scala b/src/main/scala/gitbucket/core/model/Account.scala
index 2379328..f4c0ab5 100644
--- a/src/main/scala/gitbucket/core/model/Account.scala
+++ b/src/main/scala/gitbucket/core/model/Account.scala
@@ -35,7 +35,7 @@
         groupAccount,
         removed,
         description.?
-      ) <> (Account.tupled, Account.unapply)
+      ).<>(Account.tupled, Account.unapply)
   }
 }
 
diff --git a/src/main/scala/gitbucket/core/model/AccountExtraMailAddress.scala b/src/main/scala/gitbucket/core/model/AccountExtraMailAddress.scala
index 88cc2fe..cb66f60 100644
--- a/src/main/scala/gitbucket/core/model/AccountExtraMailAddress.scala
+++ b/src/main/scala/gitbucket/core/model/AccountExtraMailAddress.scala
@@ -9,7 +9,7 @@
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val extraMailAddress = column[String]("EXTRA_MAIL_ADDRESS", O PrimaryKey)
     def * =
-      (userName, extraMailAddress) <> (AccountExtraMailAddress.tupled, AccountExtraMailAddress.unapply)
+      (userName, extraMailAddress).<>(AccountExtraMailAddress.tupled, AccountExtraMailAddress.unapply)
   }
 }
 
diff --git a/src/main/scala/gitbucket/core/model/AccountFederation.scala b/src/main/scala/gitbucket/core/model/AccountFederation.scala
index 35a6b4b..ee11f4f 100644
--- a/src/main/scala/gitbucket/core/model/AccountFederation.scala
+++ b/src/main/scala/gitbucket/core/model/AccountFederation.scala
@@ -9,7 +9,7 @@
     val issuer = column[String]("ISSUER")
     val subject = column[String]("SUBJECT")
     val userName = column[String]("USER_NAME")
-    def * = (issuer, subject, userName) <> (AccountFederation.tupled, AccountFederation.unapply)
+    def * = (issuer, subject, userName).<>(AccountFederation.tupled, AccountFederation.unapply)
 
     def byPrimaryKey(issuer: String, subject: String): Rep[Boolean] =
       (this.issuer === issuer.bind) && (this.subject === subject.bind)
diff --git a/src/main/scala/gitbucket/core/model/AccountPreference.scala b/src/main/scala/gitbucket/core/model/AccountPreference.scala
index 6704fcf..32f0210 100644
--- a/src/main/scala/gitbucket/core/model/AccountPreference.scala
+++ b/src/main/scala/gitbucket/core/model/AccountPreference.scala
@@ -9,7 +9,7 @@
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val highlighterTheme = column[String]("HIGHLIGHTER_THEME")
     def * =
-      (userName, highlighterTheme) <> (AccountPreference.tupled, AccountPreference.unapply)
+      (userName, highlighterTheme).<>(AccountPreference.tupled, AccountPreference.unapply)
 
     def byPrimaryKey(userName: String): Rep[Boolean] = this.userName === userName.bind
   }
diff --git a/src/main/scala/gitbucket/core/model/AccountWebHook.scala b/src/main/scala/gitbucket/core/model/AccountWebHook.scala
index 79f0c4b..7aa8edf 100644
--- a/src/main/scala/gitbucket/core/model/AccountWebHook.scala
+++ b/src/main/scala/gitbucket/core/model/AccountWebHook.scala
@@ -12,7 +12,7 @@
     val url = column[String]("URL")
     val token = column[Option[String]]("TOKEN")
     val ctype = column[WebHookContentType]("CTYPE")
-    def * = (userName, url, ctype, token) <> ((AccountWebHook.apply _).tupled, AccountWebHook.unapply)
+    def * = (userName, url, ctype, token).<>((AccountWebHook.apply _).tupled, AccountWebHook.unapply)
 
     def byPrimaryKey(userName: String, url: String) = (this.userName === userName.bind) && (this.url === url.bind)
   }
diff --git a/src/main/scala/gitbucket/core/model/AccountWebHookEvent.scala b/src/main/scala/gitbucket/core/model/AccountWebHookEvent.scala
index f169a36..d30eaa8 100644
--- a/src/main/scala/gitbucket/core/model/AccountWebHookEvent.scala
+++ b/src/main/scala/gitbucket/core/model/AccountWebHookEvent.scala
@@ -14,7 +14,7 @@
     val url = column[String]("URL")
     val event = column[WebHook.Event]("EVENT")
 
-    def * = (userName, url, event) <> ((AccountWebHookEvent.apply _).tupled, AccountWebHookEvent.unapply)
+    def * = (userName, url, event).<>((AccountWebHookEvent.apply _).tupled, AccountWebHookEvent.unapply)
 
     def byAccountWebHook(userName: String, url: String) = (this.userName === userName.bind) && (this.url === url.bind)
 
diff --git a/src/main/scala/gitbucket/core/model/Activity.scala b/src/main/scala/gitbucket/core/model/Activity.scala
index a7ca6fb..0466525 100644
--- a/src/main/scala/gitbucket/core/model/Activity.scala
+++ b/src/main/scala/gitbucket/core/model/Activity.scala
@@ -1,19 +1,19 @@
 package gitbucket.core.model
 
-/**
- * ActivityComponent has been deprecated, but keep it for binary compatibility.
- */
-@deprecated("ActivityComponent has been deprecated, but keep it for binary compatibility.", "4.34.0")
-trait ActivityComponent extends TemplateComponent { self: Profile =>
-  import profile.api._
-  import self._
+// /**
+//  * ActivityComponent has been deprecated, but keep it for binary compatibility.
+//  */
+// @deprecated("ActivityComponent has been deprecated, but keep it for binary compatibility.", "4.34.0")
+// trait ActivityComponent extends TemplateComponent { self: Profile =>
+//   import profile.api._
+//   import self._
 
-  lazy val Activities = TableQuery[Activities]
+//   lazy val Activities = TableQuery[Activities]
 
-  class Activities(tag: Tag) extends Table[Activity](tag, "ACTIVITY") with BasicTemplate {
-    def * = ???
-  }
-}
+//   class Activities(tag: Tag) extends Table[Activity](tag, "ACTIVITY") with BasicTemplate {
+//     def * = ???
+//   }
+// }
 
 case class Activity(
   userName: String,
diff --git a/src/main/scala/gitbucket/core/model/Collaborator.scala b/src/main/scala/gitbucket/core/model/Collaborator.scala
index 3cee46b..bb2b53b 100644
--- a/src/main/scala/gitbucket/core/model/Collaborator.scala
+++ b/src/main/scala/gitbucket/core/model/Collaborator.scala
@@ -8,7 +8,7 @@
   class Collaborators(tag: Tag) extends Table[Collaborator](tag, "COLLABORATOR") with BasicTemplate {
     val collaboratorName = column[String]("COLLABORATOR_NAME")
     val role = column[String]("ROLE")
-    def * = (userName, repositoryName, collaboratorName, role) <> (Collaborator.tupled, Collaborator.unapply)
+    def * = (userName, repositoryName, collaboratorName, role).<>(Collaborator.tupled, Collaborator.unapply)
 
     def byPrimaryKey(owner: String, repository: String, collaborator: String) =
       byRepository(owner, repository) && (collaboratorName === collaborator.bind)
diff --git a/src/main/scala/gitbucket/core/model/Comment.scala b/src/main/scala/gitbucket/core/model/Comment.scala
index 9314b2e..8997b85 100644
--- a/src/main/scala/gitbucket/core/model/Comment.scala
+++ b/src/main/scala/gitbucket/core/model/Comment.scala
@@ -20,7 +20,8 @@
     val registeredDate = column[java.util.Date]("REGISTERED_DATE")
     val updatedDate = column[java.util.Date]("UPDATED_DATE")
     def * =
-      (userName, repositoryName, issueId, commentId, action, commentedUserName, content, registeredDate, updatedDate) <> (IssueComment.tupled, IssueComment.unapply)
+      (userName, repositoryName, issueId, commentId, action, commentedUserName, content, registeredDate, updatedDate)
+        .<>(IssueComment.tupled, IssueComment.unapply)
 
     def byPrimaryKey(commentId: Int) = this.commentId === commentId.bind
   }
@@ -74,7 +75,7 @@
         originalCommitId,
         originalOldLine,
         originalNewLine
-      ) <> (CommitComment.tupled, CommitComment.unapply)
+      ).<>(CommitComment.tupled, CommitComment.unapply)
 
     def byPrimaryKey(commentId: Int) = this.commentId === commentId.bind
   }
diff --git a/src/main/scala/gitbucket/core/model/CommitStatus.scala b/src/main/scala/gitbucket/core/model/CommitStatus.scala
index c89f4be..1e605bc 100644
--- a/src/main/scala/gitbucket/core/model/CommitStatus.scala
+++ b/src/main/scala/gitbucket/core/model/CommitStatus.scala
@@ -29,7 +29,7 @@
         creator,
         registeredDate,
         updatedDate
-      ) <> ((CommitStatus.apply _).tupled, CommitStatus.unapply)
+      ).<>((CommitStatus.apply _).tupled, CommitStatus.unapply)
     def byPrimaryKey(id: Int) = commitStatusId === id.bind
   }
 }
diff --git a/src/main/scala/gitbucket/core/model/DeployKey.scala b/src/main/scala/gitbucket/core/model/DeployKey.scala
index dd13785..b52e525 100644
--- a/src/main/scala/gitbucket/core/model/DeployKey.scala
+++ b/src/main/scala/gitbucket/core/model/DeployKey.scala
@@ -11,7 +11,7 @@
     val publicKey = column[String]("PUBLIC_KEY")
     val allowWrite = column[Boolean]("ALLOW_WRITE")
     def * =
-      (userName, repositoryName, deployKeyId, title, publicKey, allowWrite) <> (DeployKey.tupled, DeployKey.unapply)
+      (userName, repositoryName, deployKeyId, title, publicKey, allowWrite).<>(DeployKey.tupled, DeployKey.unapply)
 
     def byPrimaryKey(userName: String, repositoryName: String, deployKeyId: Int) =
       (this.userName === userName.bind) && (this.repositoryName === repositoryName.bind) && (this.deployKeyId === deployKeyId.bind)
diff --git a/src/main/scala/gitbucket/core/model/GpgKey.scala b/src/main/scala/gitbucket/core/model/GpgKey.scala
index d4859f0..7758b9c 100644
--- a/src/main/scala/gitbucket/core/model/GpgKey.scala
+++ b/src/main/scala/gitbucket/core/model/GpgKey.scala
@@ -11,7 +11,7 @@
     val gpgKeyId = column[Long]("GPG_KEY_ID")
     val title = column[String]("TITLE")
     val publicKey = column[String]("PUBLIC_KEY")
-    def * = (userName, keyId, gpgKeyId, title, publicKey) <> (GpgKey.tupled, GpgKey.unapply)
+    def * = (userName, keyId, gpgKeyId, title, publicKey).<>(GpgKey.tupled, GpgKey.unapply)
 
     def byPrimaryKey(userName: String, keyId: Int) =
       (this.userName === userName.bind) && (this.keyId === keyId.bind)
diff --git a/src/main/scala/gitbucket/core/model/GroupMembers.scala b/src/main/scala/gitbucket/core/model/GroupMembers.scala
index 6c4c5b5..de14834 100644
--- a/src/main/scala/gitbucket/core/model/GroupMembers.scala
+++ b/src/main/scala/gitbucket/core/model/GroupMembers.scala
@@ -9,7 +9,7 @@
     val groupName = column[String]("GROUP_NAME", O PrimaryKey)
     val userName = column[String]("USER_NAME", O PrimaryKey)
     val isManager = column[Boolean]("MANAGER")
-    def * = (groupName, userName, isManager) <> (GroupMember.tupled, GroupMember.unapply)
+    def * = (groupName, userName, isManager).<>(GroupMember.tupled, GroupMember.unapply)
   }
 }
 
diff --git a/src/main/scala/gitbucket/core/model/Issue.scala b/src/main/scala/gitbucket/core/model/Issue.scala
index 635e94f..ccf2c81 100644
--- a/src/main/scala/gitbucket/core/model/Issue.scala
+++ b/src/main/scala/gitbucket/core/model/Issue.scala
@@ -49,7 +49,7 @@
         registeredDate,
         updatedDate,
         pullRequest
-      ) <> (Issue.tupled, Issue.unapply)
+      ).<>(Issue.tupled, Issue.unapply)
 
     def byPrimaryKey(owner: String, repository: String, issueId: Int) = byIssue(owner, repository, issueId)
   }
diff --git a/src/main/scala/gitbucket/core/model/IssueLabels.scala b/src/main/scala/gitbucket/core/model/IssueLabels.scala
index 57d3a65..6ea4691 100644
--- a/src/main/scala/gitbucket/core/model/IssueLabels.scala
+++ b/src/main/scala/gitbucket/core/model/IssueLabels.scala
@@ -6,7 +6,7 @@
   lazy val IssueLabels = TableQuery[IssueLabels]
 
   class IssueLabels(tag: Tag) extends Table[IssueLabel](tag, "ISSUE_LABEL") with IssueTemplate with LabelTemplate {
-    def * = (userName, repositoryName, issueId, labelId) <> (IssueLabel.tupled, IssueLabel.unapply)
+    def * = (userName, repositoryName, issueId, labelId).<>(IssueLabel.tupled, IssueLabel.unapply)
     def byPrimaryKey(owner: String, repository: String, issueId: Int, labelId: Int) =
       byIssue(owner, repository, issueId) && (this.labelId === labelId.bind)
   }
diff --git a/src/main/scala/gitbucket/core/model/Labels.scala b/src/main/scala/gitbucket/core/model/Labels.scala
index 70f4ae4..b21c0be 100644
--- a/src/main/scala/gitbucket/core/model/Labels.scala
+++ b/src/main/scala/gitbucket/core/model/Labels.scala
@@ -9,7 +9,7 @@
     override val labelId = column[Int]("LABEL_ID", O AutoInc)
     override val labelName = column[String]("LABEL_NAME")
     val color = column[String]("COLOR")
-    def * = (userName, repositoryName, labelId, labelName, color) <> (Label.tupled, Label.unapply)
+    def * = (userName, repositoryName, labelId, labelName, color).<>(Label.tupled, Label.unapply)
 
     def byPrimaryKey(owner: String, repository: String, labelId: Int) = byLabel(owner, repository, labelId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], labelId: Rep[Int]) =
diff --git a/src/main/scala/gitbucket/core/model/Milestone.scala b/src/main/scala/gitbucket/core/model/Milestone.scala
index 0074012..6578791 100644
--- a/src/main/scala/gitbucket/core/model/Milestone.scala
+++ b/src/main/scala/gitbucket/core/model/Milestone.scala
@@ -13,7 +13,8 @@
     val dueDate = column[Option[java.util.Date]]("DUE_DATE")
     val closedDate = column[Option[java.util.Date]]("CLOSED_DATE")
     def * =
-      (userName, repositoryName, milestoneId, title, description, dueDate, closedDate) <> (Milestone.tupled, Milestone.unapply)
+      (userName, repositoryName, milestoneId, title, description, dueDate, closedDate)
+        .<>(Milestone.tupled, Milestone.unapply)
 
     def byPrimaryKey(owner: String, repository: String, milestoneId: Int) = byMilestone(owner, repository, milestoneId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], milestoneId: Rep[Int]) =
diff --git a/src/main/scala/gitbucket/core/model/Priorities.scala b/src/main/scala/gitbucket/core/model/Priorities.scala
index 548b32f..5fbd552 100644
--- a/src/main/scala/gitbucket/core/model/Priorities.scala
+++ b/src/main/scala/gitbucket/core/model/Priorities.scala
@@ -13,7 +13,8 @@
     val isDefault = column[Boolean]("IS_DEFAULT")
     val color = column[String]("COLOR")
     def * =
-      (userName, repositoryName, priorityId, priorityName, description.?, isDefault, ordering, color) <> (Priority.tupled, Priority.unapply)
+      (userName, repositoryName, priorityId, priorityName, description.?, isDefault, ordering, color)
+        .<>(Priority.tupled, Priority.unapply)
 
     def byPrimaryKey(owner: String, repository: String, priorityId: Int) = byPriority(owner, repository, priorityId)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], priorityId: Rep[Int]) =
diff --git a/src/main/scala/gitbucket/core/model/Profile.scala b/src/main/scala/gitbucket/core/model/Profile.scala
index 0226e03..2d746fa 100644
--- a/src/main/scala/gitbucket/core/model/Profile.scala
+++ b/src/main/scala/gitbucket/core/model/Profile.scala
@@ -45,7 +45,6 @@
     with Profile
     with AccessTokenComponent
     with AccountComponent
-    with ActivityComponent // ActivityComponent has been deprecated, but keep it for binary compatibility
     with CollaboratorComponent
     with CommitCommentComponent
     with CommitStatusComponent
diff --git a/src/main/scala/gitbucket/core/model/ProtectedBranch.scala b/src/main/scala/gitbucket/core/model/ProtectedBranch.scala
index b101081..91a0358 100644
--- a/src/main/scala/gitbucket/core/model/ProtectedBranch.scala
+++ b/src/main/scala/gitbucket/core/model/ProtectedBranch.scala
@@ -7,7 +7,7 @@
   lazy val ProtectedBranches = TableQuery[ProtectedBranches]
   class ProtectedBranches(tag: Tag) extends Table[ProtectedBranch](tag, "PROTECTED_BRANCH") with BranchTemplate {
     val statusCheckAdmin = column[Boolean]("STATUS_CHECK_ADMIN")
-    def * = (userName, repositoryName, branch, statusCheckAdmin) <> (ProtectedBranch.tupled, ProtectedBranch.unapply)
+    def * = (userName, repositoryName, branch, statusCheckAdmin).<>(ProtectedBranch.tupled, ProtectedBranch.unapply)
     def byPrimaryKey(userName: String, repositoryName: String, branch: String) =
       byBranch(userName, repositoryName, branch)
     def byPrimaryKey(userName: Rep[String], repositoryName: Rep[String], branch: Rep[String]) =
@@ -20,7 +20,7 @@
       with BranchTemplate {
     val context = column[String]("CONTEXT")
     def * =
-      (userName, repositoryName, branch, context) <> (ProtectedBranchContext.tupled, ProtectedBranchContext.unapply)
+      (userName, repositoryName, branch, context).<>(ProtectedBranchContext.tupled, ProtectedBranchContext.unapply)
   }
 }
 
diff --git a/src/main/scala/gitbucket/core/model/PullRequest.scala b/src/main/scala/gitbucket/core/model/PullRequest.scala
index 1e3adc0..7cf292d 100644
--- a/src/main/scala/gitbucket/core/model/PullRequest.scala
+++ b/src/main/scala/gitbucket/core/model/PullRequest.scala
@@ -25,7 +25,7 @@
         commitIdFrom,
         commitIdTo,
         isDraft
-      ) <> (PullRequest.tupled, PullRequest.unapply)
+      ).<>(PullRequest.tupled, PullRequest.unapply)
 
     def byPrimaryKey(userName: String, repositoryName: String, issueId: Int) =
       byIssue(userName, repositoryName, issueId)
diff --git a/src/main/scala/gitbucket/core/model/ReleaseAsset.scala b/src/main/scala/gitbucket/core/model/ReleaseAsset.scala
index 3bab8ce..28ca2ca 100644
--- a/src/main/scala/gitbucket/core/model/ReleaseAsset.scala
+++ b/src/main/scala/gitbucket/core/model/ReleaseAsset.scala
@@ -21,7 +21,8 @@
     val updatedDate = column[Date]("UPDATED_DATE")
 
     def * =
-      (userName, repositoryName, tag, releaseAssetId, fileName, label, size, uploader, registeredDate, updatedDate) <> (ReleaseAsset.tupled, ReleaseAsset.unapply)
+      (userName, repositoryName, tag, releaseAssetId, fileName, label, size, uploader, registeredDate, updatedDate)
+        .<>(ReleaseAsset.tupled, ReleaseAsset.unapply)
     def byPrimaryKey(owner: String, repository: String, tag: String, fileName: String) =
       byTag(owner, repository, tag) && (this.fileName === fileName.bind)
     def byTag(owner: String, repository: String, tag: String) =
diff --git a/src/main/scala/gitbucket/core/model/ReleaseTag.scala b/src/main/scala/gitbucket/core/model/ReleaseTag.scala
index dad2e8b..7101da1 100644
--- a/src/main/scala/gitbucket/core/model/ReleaseTag.scala
+++ b/src/main/scala/gitbucket/core/model/ReleaseTag.scala
@@ -17,7 +17,8 @@
     val updatedDate = column[java.util.Date]("UPDATED_DATE")
 
     def * =
-      (userName, repositoryName, name, tag, author, content, registeredDate, updatedDate) <> (ReleaseTag.tupled, ReleaseTag.unapply)
+      (userName, repositoryName, name, tag, author, content, registeredDate, updatedDate)
+        .<>(ReleaseTag.tupled, ReleaseTag.unapply)
     def byPrimaryKey(owner: String, repository: String, tag: String) = byTag(owner, repository, tag)
     def byTag(owner: String, repository: String, tag: String) =
       byRepository(owner, repository) && (this.tag === tag.bind)
diff --git a/src/main/scala/gitbucket/core/model/Repository.scala b/src/main/scala/gitbucket/core/model/Repository.scala
index a62047d..b536c82 100644
--- a/src/main/scala/gitbucket/core/model/Repository.scala
+++ b/src/main/scala/gitbucket/core/model/Repository.scala
@@ -42,46 +42,48 @@
           parentRepositoryName.?
         ),
         (issuesOption, externalIssuesUrl.?, wikiOption, externalWikiUrl.?, allowFork, mergeOptions, defaultMergeOption)
-      ).shaped <> ({
-        case (repository, options) =>
-          Repository(
-            repository._1,
-            repository._2,
-            repository._3,
-            repository._4,
-            repository._5,
-            repository._6,
-            repository._7,
-            repository._8,
-            repository._9,
-            repository._10,
-            repository._11,
-            repository._12,
-            RepositoryOptions.tupled.apply(options)
-          )
-      }, { (r: Repository) =>
-        Some(
-          (
+      ).shaped.<>(
+        {
+          case (repository, options) =>
+            Repository(
+              repository._1,
+              repository._2,
+              repository._3,
+              repository._4,
+              repository._5,
+              repository._6,
+              repository._7,
+              repository._8,
+              repository._9,
+              repository._10,
+              repository._11,
+              repository._12,
+              RepositoryOptions.tupled.apply(options)
+            )
+        }, { (r: Repository) =>
+          Some(
             (
-              r.userName,
-              r.repositoryName,
-              r.isPrivate,
-              r.description,
-              r.defaultBranch,
-              r.registeredDate,
-              r.updatedDate,
-              r.lastActivityDate,
-              r.originUserName,
-              r.originRepositoryName,
-              r.parentUserName,
-              r.parentRepositoryName
-            ),
-            (
-              RepositoryOptions.unapply(r.options).get
+              (
+                r.userName,
+                r.repositoryName,
+                r.isPrivate,
+                r.description,
+                r.defaultBranch,
+                r.registeredDate,
+                r.updatedDate,
+                r.lastActivityDate,
+                r.originUserName,
+                r.originRepositoryName,
+                r.parentUserName,
+                r.parentRepositoryName
+              ),
+              (
+                RepositoryOptions.unapply(r.options).get
+              )
             )
           )
-        )
-      })
+        }
+      )
 
     def byPrimaryKey(owner: String, repository: String) = byRepository(owner, repository)
   }
diff --git a/src/main/scala/gitbucket/core/model/RepositoryWebHook.scala b/src/main/scala/gitbucket/core/model/RepositoryWebHook.scala
index cbe38f8..5301c18 100644
--- a/src/main/scala/gitbucket/core/model/RepositoryWebHook.scala
+++ b/src/main/scala/gitbucket/core/model/RepositoryWebHook.scala
@@ -14,7 +14,8 @@
     val token = column[Option[String]]("TOKEN")
     val ctype = column[WebHookContentType]("CTYPE")
     def * =
-      (userName, repositoryName, hookId, url, ctype, token) <> ((RepositoryWebHook.apply _).tupled, RepositoryWebHook.unapply)
+      (userName, repositoryName, hookId, url, ctype, token)
+        .<>((RepositoryWebHook.apply _).tupled, RepositoryWebHook.unapply)
 
     def byRepositoryUrl(owner: String, repository: String, url: String) =
       byRepository(owner, repository) && (this.url === url.bind)
diff --git a/src/main/scala/gitbucket/core/model/RepositoryWebHookEvent.scala b/src/main/scala/gitbucket/core/model/RepositoryWebHookEvent.scala
index 79ca9a9..4165c67 100644
--- a/src/main/scala/gitbucket/core/model/RepositoryWebHookEvent.scala
+++ b/src/main/scala/gitbucket/core/model/RepositoryWebHookEvent.scala
@@ -12,7 +12,7 @@
     val url = column[String]("URL")
     val event = column[WebHook.Event]("EVENT")
     def * =
-      (userName, repositoryName, url, event) <> ((RepositoryWebHookEvent.apply _).tupled, RepositoryWebHookEvent.unapply)
+      (userName, repositoryName, url, event).<>((RepositoryWebHookEvent.apply _).tupled, RepositoryWebHookEvent.unapply)
 
     def byRepositoryWebHook(owner: String, repository: String, url: String) =
       byRepository(owner, repository) && (this.url === url.bind)
diff --git a/src/main/scala/gitbucket/core/model/SshKey.scala b/src/main/scala/gitbucket/core/model/SshKey.scala
index d6379ed..2abd149 100644
--- a/src/main/scala/gitbucket/core/model/SshKey.scala
+++ b/src/main/scala/gitbucket/core/model/SshKey.scala
@@ -10,7 +10,7 @@
     val sshKeyId = column[Int]("SSH_KEY_ID", O AutoInc)
     val title = column[String]("TITLE")
     val publicKey = column[String]("PUBLIC_KEY")
-    def * = (userName, sshKeyId, title, publicKey) <> (SshKey.tupled, SshKey.unapply)
+    def * = (userName, sshKeyId, title, publicKey).<>(SshKey.tupled, SshKey.unapply)
 
     def byPrimaryKey(userName: String, sshKeyId: Int) =
       (this.userName === userName.bind) && (this.sshKeyId === sshKeyId.bind)
diff --git a/src/main/scala/gitbucket/core/service/AccountService.scala b/src/main/scala/gitbucket/core/service/AccountService.scala
index 3c256c8..b445468 100644
--- a/src/main/scala/gitbucket/core/service/AccountService.scala
+++ b/src/main/scala/gitbucket/core/service/AccountService.scala
@@ -105,13 +105,13 @@
   }
 
   def getAccountByUserName(userName: String, includeRemoved: Boolean = false)(implicit s: Session): Option[Account] =
-    Accounts filter (t => (t.userName === userName.bind) && (t.removed === false.bind, !includeRemoved)) firstOption
+    Accounts filter (t => (t.userName === userName.bind).&&(t.removed === false.bind, !includeRemoved)) firstOption
 
   def getAccountByUserNameIgnoreCase(userName: String, includeRemoved: Boolean = false)(
     implicit s: Session
   ): Option[Account] =
     Accounts filter (
-      t => (t.userName.toLowerCase === userName.toLowerCase.bind) && (t.removed === false.bind, !includeRemoved)
+      t => (t.userName.toLowerCase === userName.toLowerCase.bind).&&(t.removed === false.bind, !includeRemoved)
     ) firstOption
 
   def getAccountsByUserNames(userNames: Set[String], knowns: Set[Account], includeRemoved: Boolean = false)(
@@ -123,7 +123,7 @@
       map
     } else {
       map ++ Accounts
-        .filter(t => (t.userName inSetBind needs) && (t.removed === false.bind, !includeRemoved))
+        .filter(t => (t.userName inSetBind needs).&&(t.removed === false.bind, !includeRemoved))
         .list
         .map(a => a.userName -> a)
         .toMap
@@ -140,15 +140,15 @@
             (x.map { e =>
                 e.extraMailAddress.toLowerCase === mailAddress.toLowerCase.bind
               }
-              .getOrElse(false.bind))) && (a.removed === false.bind, !includeRemoved)
+              .getOrElse(false.bind))).&&(a.removed === false.bind, !includeRemoved)
       }
       .map { case (a, e) => a } firstOption
 
   def getAllUsers(includeRemoved: Boolean = true, includeGroups: Boolean = true)(implicit s: Session): List[Account] = {
     Accounts filter { t =>
-      (1.bind === 1.bind) &&
-      (t.groupAccount === false.bind, !includeGroups) &&
-      (t.removed === false.bind, !includeRemoved)
+      (1.bind === 1.bind)
+        .&&(t.groupAccount === false.bind, !includeGroups)
+        .&&(t.removed === false.bind, !includeRemoved)
     } sortBy (_.userName) list
   }
 
diff --git a/src/main/scala/gitbucket/core/service/ActivityService.scala b/src/main/scala/gitbucket/core/service/ActivityService.scala
index 4c830ba..4246440 100644
--- a/src/main/scala/gitbucket/core/service/ActivityService.scala
+++ b/src/main/scala/gitbucket/core/service/ActivityService.scala
@@ -98,6 +98,8 @@
     }
   }
 
-  def recordActivity[T <: { def toActivity: Activity }](info: T): Unit =
+  def recordActivity[T <: { def toActivity: Activity }](info: T): Unit = {
+    import scala.language.reflectiveCalls
     writeLog(info.toActivity)
+  }
 }
diff --git a/src/main/scala/gitbucket/core/service/IssuesService.scala b/src/main/scala/gitbucket/core/service/IssuesService.scala
index 98e8f51..6e9463b 100644
--- a/src/main/scala/gitbucket/core/service/IssuesService.scala
+++ b/src/main/scala/gitbucket/core/service/IssuesService.scala
@@ -351,49 +351,64 @@
        } else {
          ((t1.userName ++ "/" ++ t1.repositoryName) inSetBind (repos.map { case (owner, repo) => s"$owner/$repo" }))
        }) &&
-      (t1.closed === (condition.state == "closed").bind) &&
-      (t1.milestoneId.? isEmpty, condition.milestone == Some(None)) &&
-      (t1.priorityId.? isEmpty, condition.priority == Some(None)) &&
-      (t1.assignedUserName.? isEmpty, condition.assigned == Some(None)) &&
-      (t1.openedUserName === condition.author.get.bind, condition.author.isDefined) &&
+      (t1.closed === (condition.state == "closed").bind)
+        .&&(t1.milestoneId.? isEmpty, condition.milestone == Some(None))
+        .&&(t1.priorityId.? isEmpty, condition.priority == Some(None))
+        .&&(t1.assignedUserName.? isEmpty, condition.assigned == Some(None))
+        .&&(t1.openedUserName === condition.author.get.bind, condition.author.isDefined) &&
       (searchOption match {
         case IssueSearchOption.Issues       => t1.pullRequest === false
         case IssueSearchOption.PullRequests => t1.pullRequest === true
         case IssueSearchOption.Both         => t1.pullRequest === false || t1.pullRequest === true
-      }) &&
+      })
       // Milestone filter
-      (Milestones filter { t2 =>
-        (t2.byPrimaryKey(t1.userName, t1.repositoryName, t1.milestoneId)) &&
-        (t2.title === condition.milestone.get.get.bind)
-      } exists, condition.milestone.flatten.isDefined) &&
-      // Priority filter
-      (Priorities filter { t2 =>
-        (t2.byPrimaryKey(t1.userName, t1.repositoryName, t1.priorityId)) &&
-        (t2.priorityName === condition.priority.get.get.bind)
-      } exists, condition.priority.flatten.isDefined) &&
-      // Assignee filter
-      (t1.assignedUserName === condition.assigned.get.get.bind, condition.assigned.flatten.isDefined) &&
-      // Label filter
-      (IssueLabels filter { t2 =>
-        (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
-        (t2.labelId in
-          (Labels filter { t3 =>
-            (t3.byRepository(t1.userName, t1.repositoryName)) &&
-            (t3.labelName inSetBind condition.labels)
-          } map (_.labelId)))
-      } exists, condition.labels.nonEmpty) &&
-      // Visibility filter
-      (Repositories filter { t2 =>
-        (t2.byRepository(t1.userName, t1.repositoryName)) &&
-        (t2.isPrivate === (condition.visibility == Some("private")).bind)
-      } exists, condition.visibility.nonEmpty) &&
-      // Organization (group) filter
-      (t1.userName inSetBind condition.groups, condition.groups.nonEmpty) &&
-      // Mentioned filter
-      ((t1.openedUserName === condition.mentioned.get.bind) || t1.assignedUserName === condition.mentioned.get.bind ||
-      (IssueComments filter { t2 =>
-        (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) && (t2.commentedUserName === condition.mentioned.get.bind)
-      } exists), condition.mentioned.isDefined)
+        .&&(
+          Milestones filter { t2 =>
+            (t2.byPrimaryKey(t1.userName, t1.repositoryName, t1.milestoneId)) &&
+            (t2.title === condition.milestone.get.get.bind)
+          } exists,
+          condition.milestone.flatten.isDefined
+        )
+        // Priority filter
+        .&&(
+          Priorities filter { t2 =>
+            (t2.byPrimaryKey(t1.userName, t1.repositoryName, t1.priorityId)) &&
+            (t2.priorityName === condition.priority.get.get.bind)
+          } exists,
+          condition.priority.flatten.isDefined
+        )
+        // Assignee filter
+        .&&(t1.assignedUserName === condition.assigned.get.get.bind, condition.assigned.flatten.isDefined)
+        // Label filter
+        .&&(
+          IssueLabels filter { t2 =>
+            (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) &&
+            (t2.labelId in
+              (Labels filter { t3 =>
+                (t3.byRepository(t1.userName, t1.repositoryName)) &&
+                (t3.labelName inSetBind condition.labels)
+              } map (_.labelId)))
+          } exists,
+          condition.labels.nonEmpty
+        )
+        // Visibility filter
+        .&&(
+          Repositories filter { t2 =>
+            (t2.byRepository(t1.userName, t1.repositoryName)) &&
+            (t2.isPrivate === (condition.visibility == Some("private")).bind)
+          } exists,
+          condition.visibility.nonEmpty
+        )
+        // Organization (group) filter
+        .&&(t1.userName inSetBind condition.groups, condition.groups.nonEmpty)
+        // Mentioned filter
+        .&&(
+          (t1.openedUserName === condition.mentioned.get.bind) || t1.assignedUserName === condition.mentioned.get.bind ||
+            (IssueComments filter { t2 =>
+              (t2.byIssue(t1.userName, t1.repositoryName, t1.issueId)) && (t2.commentedUserName === condition.mentioned.get.bind)
+            } exists),
+          condition.mentioned.isDefined
+        )
     }
 
   def insertIssue(
@@ -692,8 +707,8 @@
         case (t1, t2) =>
           keywords
             .map { keyword =>
-              (t1.title.toLowerCase like (s"%${likeEncode(keyword)}%", '^')) ||
-              (t1.content.toLowerCase like (s"%${likeEncode(keyword)}%", '^'))
+              (t1.title.toLowerCase.like(s"%${likeEncode(keyword)}%", '^')) ||
+              (t1.content.toLowerCase.like(s"%${likeEncode(keyword)}%", '^'))
             }
             .reduceLeft(_ && _)
       }
@@ -720,7 +735,7 @@
           t2.pullRequest === pullRequest.bind &&
             keywords
               .map { query =>
-                t1.content.toLowerCase like (s"%${likeEncode(query)}%", '^')
+                t1.content.toLowerCase.like(s"%${likeEncode(query)}%", '^')
               }
               .reduceLeft(_ && _)
       }
diff --git a/src/main/scala/gitbucket/core/service/MergeService.scala b/src/main/scala/gitbucket/core/service/MergeService.scala
index 55f1f64..3e0d24d 100644
--- a/src/main/scala/gitbucket/core/service/MergeService.scala
+++ b/src/main/scala/gitbucket/core/service/MergeService.scala
@@ -561,7 +561,7 @@
     }
 
     def checkConflict(): Option[String] = {
-      checkConflictCache.getOrElse(checkConflictForce)
+      checkConflictCache().getOrElse(checkConflictForce())
     }
 
     def checkConflictForce(): Option[String] = {
diff --git a/src/main/scala/gitbucket/core/service/PullRequestService.scala b/src/main/scala/gitbucket/core/service/PullRequestService.scala
index 5344a17..fd68a8a 100644
--- a/src/main/scala/gitbucket/core/service/PullRequestService.scala
+++ b/src/main/scala/gitbucket/core/service/PullRequestService.scala
@@ -77,9 +77,9 @@
       }
       .filter {
         case (t1, t2) =>
-          (t2.closed === closed.bind) &&
-            (t1.userName === owner.get.bind, owner.isDefined) &&
-            (t1.repositoryName === repository.get.bind, repository.isDefined)
+          (t2.closed === closed.bind)
+            .&&(t1.userName === owner.get.bind, owner.isDefined)
+            .&&(t1.repositoryName === repository.get.bind, repository.isDefined)
       }
       .groupBy { case (t1, t2) => t2.openedUserName }
       .map { case (userName, t) => userName -> t.length }
@@ -183,10 +183,10 @@
       }
       .filter {
         case (t1, t2) =>
-          (t1.requestUserName === userName.bind) &&
-            (t1.requestRepositoryName === repositoryName.bind) &&
-            (t1.requestBranch === branch.bind) &&
-            (t2.closed === closed.get.bind, closed.isDefined)
+          (t1.requestUserName === userName.bind)
+            .&&(t1.requestRepositoryName === repositoryName.bind)
+            .&&(t1.requestBranch === branch.bind)
+            .&&(t2.closed === closed.get.bind, closed.isDefined)
       }
       .map { case (t1, t2) => t1 }
       .list
@@ -201,10 +201,10 @@
       }
       .filter {
         case (t1, t2) =>
-          (t1.requestUserName === userName.bind) &&
-            (t1.requestRepositoryName === repositoryName.bind) &&
-            (t1.branch === branch.bind) &&
-            (t2.closed === closed.get.bind, closed.isDefined)
+          (t1.requestUserName === userName.bind)
+            .&&(t1.requestRepositoryName === repositoryName.bind)
+            .&&(t1.branch === branch.bind)
+            .&&(t2.closed === closed.get.bind, closed.isDefined)
       }
       .map { case (t1, t2) => t1 }
       .list
diff --git a/src/main/scala/gitbucket/core/service/WebHookService.scala b/src/main/scala/gitbucket/core/service/WebHookService.scala
index 7d12cc3..1d10bb5 100644
--- a/src/main/scala/gitbucket/core/service/WebHookService.scala
+++ b/src/main/scala/gitbucket/core/service/WebHookService.scala
@@ -283,7 +283,7 @@
       val json = JsonFormat(payload)
 
       webHooks.map { webHook =>
-        val reqPromise = Promise[HttpRequest]
+        val reqPromise = Promise[HttpRequest]()
         val f = Future {
           val itcp = new org.apache.http.HttpRequestInterceptor {
             def process(res: HttpRequest, ctx: HttpContext): Unit = {
diff --git a/src/main/scala/gitbucket/core/util/JDBCUtil.scala b/src/main/scala/gitbucket/core/util/JDBCUtil.scala
index 0b2fa65..fe650bd 100644
--- a/src/main/scala/gitbucket/core/util/JDBCUtil.scala
+++ b/src/main/scala/gitbucket/core/util/JDBCUtil.scala
@@ -202,7 +202,7 @@
     }
 
     private def allTablesOrderByDependencies(meta: DatabaseMetaData): Seq[String] = {
-      val tables = allTableNames.map { tableName =>
+      val tables = allTableNames().map { tableName =>
         TableDependency(tableName, childTables(meta, tableName))
       }
 
diff --git a/src/main/scala/gitbucket/core/util/LDAPUtil.scala b/src/main/scala/gitbucket/core/util/LDAPUtil.scala
index 623170f..8ab912b 100644
--- a/src/main/scala/gitbucket/core/util/LDAPUtil.scala
+++ b/src/main/scala/gitbucket/core/util/LDAPUtil.scala
@@ -125,6 +125,8 @@
   }
 
   private def getSslProvider(): Provider = {
+    import scala.language.existentials
+
     val cachedInstance = provider.get()
     if (cachedInstance == null) {
       val cls = try {
diff --git a/src/test/scala/gitbucket/core/service/AccessTokenServiceSpec.scala b/src/test/scala/gitbucket/core/service/AccessTokenServiceSpec.scala
index 2403ddc..56c7ce7 100644
--- a/src/test/scala/gitbucket/core/service/AccessTokenServiceSpec.scala
+++ b/src/test/scala/gitbucket/core/service/AccessTokenServiceSpec.scala
@@ -71,7 +71,7 @@
     withTestDB { implicit session =>
       val tokenIt = List("token1", "token1", "token1", "token2").iterator
       val service = new AccessTokenService {
-        override def makeAccessTokenString: String = tokenIt.next
+        override def makeAccessTokenString: String = tokenIt.next()
       }
 
       assert(service.generateAccessToken("root", "note1")._2 == "token1")