diff --git a/src/main/java/org/olat/course/assessment/ui/mode/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/course/assessment/ui/mode/_i18n/LocalStrings_de.properties
index 84e56b1cbccf2c8ff4a45b5d239f89dc77c643f2..cca3d851635a996fe95c04b7ba25c97dfb79c006 100644
--- a/src/main/java/org/olat/course/assessment/ui/mode/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/course/assessment/ui/mode/_i18n/LocalStrings_de.properties
@@ -110,8 +110,8 @@ table.header.externalId=$org.olat.repository\:table.header.externalid
 table.header.externalRef=$org.olat.repository\:table.header.externalref
 table.header.status=Status
 table.header.target=F\u00FCr
-target.courseAndGroups=Teilnehmer aus Kurs und ausgew\u00E4hlte Gruppen
-target.courseGroupsAndCurriculums=Teilnehmer aus Kurs und ausgew\u00E4hlte Gruppen oder Curriculum
+target.courseAndGroups=Teilnehmer des Kurses und der ausgew\u00E4hlten Gruppen
+target.courseGroupsAndCurriculums=Teilnehmer des Kurses und der ausgew\u00E4hlten Gruppen oder Curriculum
 target.curriculumElements=Nur Curriculumteilnehmer
 target.groups=Nur Gruppenteilnehmer
 target.course=Nur Kursteilnehmer
diff --git a/src/main/java/org/olat/ims/qti21/questionimport/CSVToAssessmentItemConverter.java b/src/main/java/org/olat/ims/qti21/questionimport/CSVToAssessmentItemConverter.java
index 9da7d24c93378ab980c8f8a0fb4ffe4037e422af..67c2a398c3d923c7ea306535610e798d02ba0373 100644
--- a/src/main/java/org/olat/ims/qti21/questionimport/CSVToAssessmentItemConverter.java
+++ b/src/main/java/org/olat/ims/qti21/questionimport/CSVToAssessmentItemConverter.java
@@ -39,6 +39,7 @@ import org.olat.ims.qti21.model.xml.interactions.FIBAssessmentItemBuilder;
 import org.olat.ims.qti21.model.xml.interactions.FIBAssessmentItemBuilder.EntryType;
 import org.olat.ims.qti21.model.xml.interactions.FIBAssessmentItemBuilder.TextEntry;
 import org.olat.ims.qti21.model.xml.interactions.KPrimAssessmentItemBuilder;
+import org.olat.ims.qti21.model.xml.interactions.LobAssessmentItemBuilder;
 import org.olat.ims.qti21.model.xml.interactions.MatchAssessmentItemBuilder;
 import org.olat.ims.qti21.model.xml.interactions.MultipleChoiceAssessmentItemBuilder;
 import org.olat.ims.qti21.model.xml.interactions.SimpleChoiceAssessmentItemBuilder;
@@ -650,7 +651,8 @@ public class CSVToAssessmentItemConverter {
 		if (itemBuilder instanceof SimpleChoiceAssessmentItemBuilder
 				|| itemBuilder instanceof FIBAssessmentItemBuilder
 				|| itemBuilder instanceof KPrimAssessmentItemBuilder
-				|| itemBuilder instanceof MatchAssessmentItemBuilder) {
+				|| itemBuilder instanceof MatchAssessmentItemBuilder
+				|| itemBuilder instanceof LobAssessmentItemBuilder) {
 			itemBuilder.setMinScore(0.0d);
 			itemBuilder.setMaxScore(points);
 		}
diff --git a/src/main/java/org/olat/modules/bigbluebutton/ui/BigBlueButtonMeetingController.java b/src/main/java/org/olat/modules/bigbluebutton/ui/BigBlueButtonMeetingController.java
index 925136c6276286d5c248cfaaedcc8bfade525f1a..71d1460f8e20de7e3fe66ac2560a3b6340aabfe5 100644
--- a/src/main/java/org/olat/modules/bigbluebutton/ui/BigBlueButtonMeetingController.java
+++ b/src/main/java/org/olat/modules/bigbluebutton/ui/BigBlueButtonMeetingController.java
@@ -159,7 +159,7 @@ public class BigBlueButtonMeetingController extends FormBasicController implemen
 		}
 
 		Date now = new Date();
-		Date start = meeting.getStartWithLeadTime();
+		Date start = (administrator || moderator) ? meeting.getStartWithLeadTime() : meeting.getStartDate();
 		Date end = meeting.getEndWithFollowupTime();
 		return !((start != null && start.compareTo(now) >= 0) || (end != null && end.compareTo(now) <= 0));
 	}
diff --git a/src/main/java/org/olat/modules/bigbluebutton/ui/EditBigBlueButtonMeetingController.java b/src/main/java/org/olat/modules/bigbluebutton/ui/EditBigBlueButtonMeetingController.java
index 665d573e5b06e9e4d6d568b0605c496b2666adda..baa43adcda0032f54ed9ddf37e3a7c197f2915d0 100644
--- a/src/main/java/org/olat/modules/bigbluebutton/ui/EditBigBlueButtonMeetingController.java
+++ b/src/main/java/org/olat/modules/bigbluebutton/ui/EditBigBlueButtonMeetingController.java
@@ -186,6 +186,7 @@ public class EditBigBlueButtonMeetingController extends FormBasicController {
 			String leadtime = meeting == null ? null : Long.toString(meeting.getLeadTime());
 			leadTimeEl = uifactory.addTextElement("meeting.leadTime", 8, leadtime, formLayout);
 			leadTimeEl.setEnabled(editable);
+			leadTimeEl.setExampleKey("meeting.leadTime.explain", null);
 			
 			Date endDate = meeting == null ? null : meeting.getEndDate();
 			if (endDate == null && startDate != null) {
diff --git a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_de.properties
index ba3f5ff987d5fc94bf5e94ea121d473a03d8afe2..db52545f0ec195ab112ea9b467a23fcb490b8430 100644
--- a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_de.properties
@@ -60,6 +60,7 @@ meeting.followupTime=Nachlaufzeit (Min.)
 meeting.go.button=Zum Online-Termin Raum
 meeting.join.button=Meeting beitreten
 meeting.leadTime=Vorlaufzeit (Min.)
+meeting.leadTime.explain=Die Vorlaufzeit ist nur f\u00FCr Moderatoren relevant.
 meeting.name=Name
 meeting.permanent=Online-Termin planung
 meeting.permanent.on=Ohne Datum
diff --git a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_en.properties b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_en.properties
index 1544cdd523424ba8506aa33dc6dec44bb3f5dbdd..b8f5b002aa1388be2c037fa64c1789481e7fafa9 100644
--- a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_en.properties
+++ b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_en.properties
@@ -60,6 +60,7 @@ meeting.followupTime=Follow-up (min.)
 meeting.go.button=Go to the onlin-meeting room
 meeting.join.button=Join the meeting
 meeting.leadTime=Prep time (min.)
+meeting.leadTime.explain=Prep time is only relevant for moderators.
 meeting.name=Name
 meeting.permanent=Onine-Meeting scheduling
 meeting.permanent.on=Without date
diff --git a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_fr.properties b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_fr.properties
index 0ce54dc26cf6d53e53378a8291f273911918d34f..1c00b63b205692efaaf5a4972cc7452562760552 100644
--- a/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_fr.properties
+++ b/src/main/java/org/olat/modules/bigbluebutton/ui/_i18n/LocalStrings_fr.properties
@@ -60,6 +60,7 @@ meeting.followupTime=P\u00E9riode de temporisation (min.)
 meeting.go.button=Aller \u00E0 la salle du meeting
 meeting.join.button=Rejoindre le meeting
 meeting.leadTime=Pr\u00E9paration (min.)
+meeting.leadTime.explain=La p\u00E9riode de pr\u00E9paration n'est utilis\u00E9e que pour les mod\u00E9rateurs.
 meeting.name=Nom
 meeting.permanent=Type
 meeting.permanent.on=Permanent
diff --git a/src/main/java/org/olat/social/shareLink/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/social/shareLink/_i18n/LocalStrings_de.properties
index 3cabe78ae5243259ac553057c54bcc08a5124f6c..39ebcfe8e5ebb5b69b962d9543b3c5aa5c57c59a 100644
--- a/src/main/java/org/olat/social/shareLink/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/social/shareLink/_i18n/LocalStrings_de.properties
@@ -7,5 +7,5 @@ share.digg=Link auf digg teilen
 share.mail=Link per Mail versenden
 share.link=Link kopieren
 share.qrcode=QR-Code kopieren
-landingpage.set.current=Aktuelle Seite in Profil als pers\u00f6nliche Startseite festlegen
+landingpage.set.current=Aktuelle Seite im Profil als pers\u00f6nliche Startseite festlegen
 landingpage.set.message=Die aktuelle Seite wird bei der n\u00e4chsten Anmeldung als Startseite verwendet.
diff --git a/src/test/java/org/olat/selenium/page/qti/QTI21CSVImportWizard.java b/src/test/java/org/olat/selenium/page/qti/QTI21CSVImportWizard.java
index ea34173f4ecc0173b72a5ddb31255adb642a4d36..0006ef43b0f1bcb4f365b65effd9aa527f7da3b7 100644
--- a/src/test/java/org/olat/selenium/page/qti/QTI21CSVImportWizard.java
+++ b/src/test/java/org/olat/selenium/page/qti/QTI21CSVImportWizard.java
@@ -20,6 +20,7 @@
 package org.olat.selenium.page.qti;
 
 import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
 import java.util.List;
 
 import org.apache.commons.io.IOUtils;
@@ -60,7 +61,7 @@ public class QTI21CSVImportWizard {
 	public QTI21CSVImportWizard importFile(String filename) {
 		StringBuilder sb = new StringBuilder(32000);
 		try(InputStream inStream = JunitTestHelper.class.getResourceAsStream("file_resources/" + filename)) {
-			String content = IOUtils.toString(inStream, "UTF-8");
+			String content = IOUtils.toString(inStream, StandardCharsets.UTF_8);
 			String[] lines = content.split("\r?\n");
 			for(String line:lines) {
 				String[] cols = line.split("\t");
diff --git a/src/test/java/org/olat/selenium/page/user/EfficiencyStatementPage.java b/src/test/java/org/olat/selenium/page/user/EfficiencyStatementPage.java
index 35d14203311af24701dee58f0d4221d2bf4a4829..00bdd54de7847fa1ac47cf38066b9f1492445677 100644
--- a/src/test/java/org/olat/selenium/page/user/EfficiencyStatementPage.java
+++ b/src/test/java/org/olat/selenium/page/user/EfficiencyStatementPage.java
@@ -105,19 +105,9 @@ public class EfficiencyStatementPage {
 	 * @return
 	 */
 	public EfficiencyStatementPage assertOnCourseDetails(String testNodeTitle, boolean passed) {
-		By courseCertificateBy = By.xpath("//div[contains(@class,'o_efficiencystatement')]//table//tr[td/span[contains(text(),'" + testNodeTitle + "')]]");
-		List<WebElement> certifiatesTable = browser.findElements(courseCertificateBy);
-		Assert.assertFalse(certifiatesTable.isEmpty());
-		
-		By by;
-		if(passed) {
-			by = By.cssSelector("td.text-left span.o_state.o_passed");
-		} else {
-			by = By.cssSelector("td.text-left span.o_state.o_failed");
-		}
-		List<WebElement> passedEl = certifiatesTable.get(0).findElements(by);
-		Assert.assertFalse(passedEl.isEmpty());
-		Assert.assertTrue(passedEl.get(0).isDisplayed());
+		String stateClassname = passed ? "o_passed" : "o_failed";
+		By courseCertificateBy = By.xpath("//div[contains(@class,'o_efficiencystatement')]//table//tr[td/span[contains(text(),'" + testNodeTitle + "')]]/td[contains(@class,'text-left')]/span[contains(@class,'o_state')][contains(@class,'" + stateClassname + "')]");
+		OOGraphene.waitElement(courseCertificateBy, browser);
 		return this;
 	}