diff --git a/app/build.gradle b/app/build.gradle
index 53010628..f7f56f14 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,8 +10,8 @@ apply plugin: 'com.google.gms.google-services'
 
 android {
 
-    def appVersionCode = 435
-    def appVersionName = '1.40.18'
+    def appVersionCode = 437
+    def appVersionName = '1.40.20'
 
     signingConfigs {
         release {
diff --git a/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColr.java b/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColr.java
index e1b424d0..3d97baa6 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColr.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColr.java
@@ -261,6 +261,11 @@ public class MtbColr extends EntityBase {
         return this;
     }
 
+    public MtbColr setDataColloRif(LocalDate dataColloRif) {
+        this.dataColloRif = UtilityDate.formatDate(dataColloRif, UtilityDate.COMMONS_DATE_FORMATS.DMY_SLASH);
+        return this;
+    }
+
     public BigDecimal getQtaCnf() {
         return qtaCnf;
     }
diff --git a/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColt.java b/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColt.java
index d7865aed..7d59974f 100644
--- a/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColt.java
+++ b/app/src/main/java/it/integry/integrywmsnative/core/model/MtbColt.java
@@ -10,6 +10,7 @@ import com.annimon.stream.Stream;
 import org.jetbrains.annotations.Nullable;
 
 import java.math.BigDecimal;
+import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -170,6 +171,11 @@ public class MtbColt extends EntityBase {
         return this;
     }
 
+    public MtbColt setDataCollo(LocalDate dataCollo) {
+        this.dataCollo = UtilityDate.formatDate(dataCollo, UtilityDate.COMMONS_DATE_FORMATS.DMY_SLASH);
+        return this;
+    }
+
     public String getSerCollo() {
         return serCollo;
     }
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java b/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
index 32e2709c..9bdf9748 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/login/viewmodel/LoginViewModel.java
@@ -90,7 +90,7 @@ public class LoginViewModel {
         this.mSystemRESTConsumer.getAvailableCodMdeps(availableCodMdeps -> {
             SettingsManager.iDB().setAvailableCodMdep(availableCodMdeps);
 
-            if (availableCodMdeps == null || availableCodMdeps.size() == 0) {
+            if (availableCodMdeps == null || availableCodMdeps.isEmpty()) {
                 this.sendError(new InvalidUserDepositException());
                 return;
             }
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/ProdRecuperoMaterialeViewModel.java b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/ProdRecuperoMaterialeViewModel.java
index 3e2c3ee9..9436d891 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/ProdRecuperoMaterialeViewModel.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/ProdRecuperoMaterialeViewModel.java
@@ -3,13 +3,12 @@ package it.integry.integrywmsnative.gest.prod_recupero_materiale;
 import androidx.databinding.ObservableArrayList;
 import androidx.lifecycle.MutableLiveData;
 
-import com.annimon.stream.Stream;
-
 import java.math.BigDecimal;
 import java.math.RoundingMode;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.stream.Collectors;
 
 import javax.inject.Inject;
 
@@ -93,14 +92,14 @@ public class ProdRecuperoMaterialeViewModel {
 
 
     private HistoryVersamentoProdULDTO getHistoryElementFromMtbColt(MtbColt mtbColt) {
-        List<HistoryVersamentoProdULDTO> filteredItems = Stream.of(this.mUlList.getValue())
+        List<HistoryVersamentoProdULDTO> filteredItems = this.mUlList.getValue().stream()
                 .filter(x -> Objects.equals(x.getNumColloRif(), mtbColt.getNumCollo()) &&
-                        x.getDataColloRif().equals(mtbColt.getDataColloS()) &&
+                        x.getDataColloRif().equals(UtilityDate.toLocalDate(mtbColt.getDataColloD())) &&
                         x.getSerColloRif().equalsIgnoreCase(mtbColt.getSerCollo()) &&
                         x.getGestioneRif().equalsIgnoreCase(mtbColt.getGestione()))
-                .toList();
+                .collect(Collectors.toList());
 
-        if (filteredItems != null && filteredItems.size() > 0) {
+        if (!filteredItems.isEmpty()) {
             return filteredItems.get(0);
         }
 
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULDTO.java b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULDTO.java
index a7d44981..232a68c6 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULDTO.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULDTO.java
@@ -2,6 +2,7 @@ package it.integry.integrywmsnative.gest.prod_recupero_materiale.dto;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
+import java.time.LocalDate;
 import java.util.Date;
 import java.util.List;
 
@@ -11,7 +12,7 @@ import it.integry.integrywmsnative.core.utility.UtilityBigDecimal;
 public class HistoryVersamentoProdULDTO {
 
     private String gestione;
-    private String dataCollo;
+    private LocalDate dataCollo;
     private String serCollo;
     private Integer numCollo;
     private String segno;
@@ -28,7 +29,7 @@ public class HistoryVersamentoProdULDTO {
     private String descrizioneArt;
     private String untMis;
     private String gestioneRif;
-    private String dataColloRif;
+    private LocalDate dataColloRif;
     private String serColloRif;
     private Integer numColloRif;
 
@@ -50,11 +51,11 @@ public class HistoryVersamentoProdULDTO {
         return this;
     }
 
-    public String getDataCollo() {
+    public LocalDate getDataCollo() {
         return dataCollo;
     }
 
-    public HistoryVersamentoProdULDTO setDataCollo(String dataCollo) {
+    public HistoryVersamentoProdULDTO setDataCollo(LocalDate dataCollo) {
         this.dataCollo = dataCollo;
         return this;
     }
@@ -203,11 +204,11 @@ public class HistoryVersamentoProdULDTO {
         return this;
     }
 
-    public String getDataColloRif() {
+    public LocalDate getDataColloRif() {
         return dataColloRif;
     }
 
-    public HistoryVersamentoProdULDTO setDataColloRif(String dataColloRif) {
+    public HistoryVersamentoProdULDTO setDataColloRif(LocalDate dataColloRif) {
         this.dataColloRif = dataColloRif;
         return this;
     }
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULRestDTO.java b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULRestDTO.java
index 2c812e76..0209834f 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULRestDTO.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/dto/HistoryVersamentoProdULRestDTO.java
@@ -1,16 +1,16 @@
 package it.integry.integrywmsnative.gest.prod_recupero_materiale.dto;
 
 import java.math.BigDecimal;
+import java.time.LocalDate;
 import java.util.Date;
 
-import it.integry.integrywmsnative.core.model.MtbAart;
 import it.integry.integrywmsnative.core.utility.UtilityDate;
 
 public class HistoryVersamentoProdULRestDTO {
 
 
     private String gestione;
-    private String dataCollo;
+    private LocalDate dataCollo;
     private String serCollo;
     private Integer numCollo;
     private String segno;
@@ -27,7 +27,7 @@ public class HistoryVersamentoProdULRestDTO {
     private String descrizioneArt;
     private String untMis;
     private String gestioneRif;
-    private String dataColloRif;
+    private LocalDate dataColloRif;
     private String serColloRif;
     private Integer numColloRif;
 
@@ -55,11 +55,11 @@ public class HistoryVersamentoProdULRestDTO {
         return this;
     }
 
-    public String getDataCollo() {
+    public LocalDate getDataCollo() {
         return dataCollo;
     }
 
-    public HistoryVersamentoProdULRestDTO setDataCollo(String dataCollo) {
+    public HistoryVersamentoProdULRestDTO setDataCollo(LocalDate dataCollo) {
         this.dataCollo = dataCollo;
         return this;
     }
@@ -208,11 +208,11 @@ public class HistoryVersamentoProdULRestDTO {
         return this;
     }
 
-    public String getDataColloRif() {
+    public LocalDate getDataColloRif() {
         return dataColloRif;
     }
 
-    public HistoryVersamentoProdULRestDTO setDataColloRif(String dataColloRif) {
+    public HistoryVersamentoProdULRestDTO setDataColloRif(LocalDate dataColloRif) {
         this.dataColloRif = dataColloRif;
         return this;
     }
diff --git a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
index c465c62f..bfa6841a 100644
--- a/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
+++ b/app/src/main/java/it/integry/integrywmsnative/gest/prod_recupero_materiale/rest/ProdRecuperMaterialeRESTConsumer.java
@@ -264,7 +264,7 @@ public class ProdRecuperMaterialeRESTConsumer extends _BaseRESTConsumer {
                     });
 
 
-            if (newUlList.size() > 0) {
+            if (!newUlList.isEmpty()) {
                 List<String> codMarts = Stream.of(newUlList)
                         .map(HistoryVersamentoProdULDTO::getCodMart)
                         .withoutNulls()