diff --git a/app/templating/DateHelper.scala b/app/templating/DateHelper.scala
index 046e43a054fa8..60f2fa70ae6fd 100644
--- a/app/templating/DateHelper.scala
+++ b/app/templating/DateHelper.scala
@@ -12,7 +12,7 @@ import chess.format.pgn.Tag.Date
 
 trait DateHelper { self: I18nHelper with StringHelper with NumberHelper =>
 
-  export PeriodLocales.{ showPeriod, showDuration }
+  export PeriodLocales.showDuration
 
   private val dateTimeStyle = "MS"
   private val dateStyle     = "M-"
diff --git a/app/views/relay/roundForm.scala b/app/views/relay/roundForm.scala
index 2a210ee6c0d24..12dc0d5860cc4 100644
--- a/app/views/relay/roundForm.scala
+++ b/app/views/relay/roundForm.scala
@@ -100,9 +100,11 @@ object roundForm:
         )(form3.flatpickr(_, minDate = None)),
         isGranted(_.Relay) option
           form3.group(
-            form("throttle"),
-            raw("Throttle in seconds"),
-            help = raw("Optional, to manually throttle requests. Min 2s, max 60s.").some,
+            form("period"),
+            raw("Period in seconds"),
+            help = raw(
+              "Optional, how long to wait between requests. Min 2s, max 60s. Defaults to automatic based on the number of viewers."
+            ).some,
             half = true
           )(form3.input(_, typ = "number"))
       ),
diff --git a/modules/i18n/src/main/PeriodLocales.scala b/modules/i18n/src/main/PeriodLocales.scala
index 4043db7a06bfa..34961f2e1bcff 100644
--- a/modules/i18n/src/main/PeriodLocales.scala
+++ b/modules/i18n/src/main/PeriodLocales.scala
@@ -3,7 +3,7 @@ package lila.i18n
 import org.joda.time.format.{ PeriodFormat, PeriodFormatter }
 import org.joda.time.{ DurationFieldType, PeriodType, Period as JodaPeriod }
 import play.api.i18n.Lang
-import java.time.{ Duration, Period }
+import java.time.Duration
 
 // TODO replace with threeten-extra?
 // https://www.threeten.org/threeten-extra/apidocs/org.threeten.extra/org/threeten/extra/AmountFormats.html
@@ -18,8 +18,5 @@ object PeriodLocales:
   private def periodFormatter(using lang: Lang): PeriodFormatter =
     PeriodFormat wordBased lang.locale
 
-  def showPeriod(period: Period)(using Lang): String =
-    periodFormatter print JodaPeriod(period).normalizedStandard(periodType)
-
   def showDuration(duration: Duration)(using Lang): String =
     periodFormatter print JodaPeriod(duration.toMillis).normalizedStandard(periodType)
diff --git a/modules/relay/src/main/RelayFetch.scala b/modules/relay/src/main/RelayFetch.scala
index 4bcb610ca6806..e1f2eec33e0ba 100644
--- a/modules/relay/src/main/RelayFetch.scala
+++ b/modules/relay/src/main/RelayFetch.scala
@@ -144,7 +144,7 @@ final private class RelayFetch(
           gameProxy.upgradeIfPresent flatMap
           gameRepo.withInitialFens flatMap { games =>
             if (games.size == ids.size)
-              games.map { case (game, fen) =>
+              games.map { (game, fen) =>
                 pgnDump(game, fen, gameIdsUpstreamPgnFlags).dmap(_.render)
               }.parallel dmap MultiPgn.apply
             else
diff --git a/modules/swiss/src/main/SwissApi.scala b/modules/swiss/src/main/SwissApi.scala
index d43e2e7268b63..a64ed7dc1e56e 100644
--- a/modules/swiss/src/main/SwissApi.scala
+++ b/modules/swiss/src/main/SwissApi.scala
@@ -4,6 +4,7 @@ import akka.stream.scaladsl.*
 import alleycats.Zero
 import java.nio.charset.StandardCharsets.UTF_8
 import java.security.MessageDigest
+import java.time.format.{ DateTimeFormatter, FormatStyle }
 import reactivemongo.akkastream.cursorProducer
 import reactivemongo.api.*
 import reactivemongo.api.bson.*
@@ -145,24 +146,20 @@ final class SwissApi(
 
   def scheduleNextRound(swiss: Swiss, date: Instant): Funit =
     Sequencing(swiss.id)(cache.swissCache.notFinishedById) { old =>
-      (!old.settings.manualRounds).?? {
-        mongo.swiss
+      for
+        _ <- !old.settings.manualRounds ?? mongo.swiss
           .updateField($id(old.id), "settings.i", Swiss.RoundInterval.manual)
           .void
-      } >> {
-        if (old.isCreated) mongo.swiss.updateField($id(old.id), "startsAt", date).void
-        else if (old.isStarted && old.nbOngoing == 0)
+        _ <- old.isCreated ?? mongo.swiss.updateField($id(old.id), "startsAt", date).void
+        _ <- (!old.isFinished && old.nbOngoing == 0) ??
           mongo.swiss.updateField($id(old.id), "nextRoundAt", date).void >>- {
-            import java.time.format.{ DateTimeFormatter, FormatStyle }
             val formatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM, FormatStyle.SHORT)
             val showDate  = formatter print date
             systemChat(swiss.id, s"Round ${swiss.round.value + 1} scheduled at $showDate UTC")
           }
-        else funit
-      } >>- {
+      yield
         cache.swissCache clear swiss.id
         socket.reload(swiss.id)
-      }
     }
 
   def verdicts(swiss: Swiss, me: Option[User]): Fu[SwissCondition.All.WithVerdicts] =
diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 21ab001735199..0ad4d2708a1f6 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -57,7 +57,7 @@ object Dependencies {
   }
 
   object reactivemongo {
-    val driver = "org.reactivemongo" %% "reactivemongo"               % "1.1.0-RC7"
+    val driver = "org.reactivemongo" %% "reactivemongo"               % "1.1.0-RC9"
     val stream = "org.reactivemongo" %% "reactivemongo-akkastream"    % "1.1.0-RC9"
     val shaded = "org.reactivemongo"  % "reactivemongo-shaded-native" % s"1.1.0-RC6-$os-x86-64"
     // val kamon  = "org.reactivemongo" %% "reactivemongo-kamon"         % "1.0.8"