diff --git a/mtproto.go b/mtproto.go
index 4b9eb167..7b583e7f 100755
--- a/mtproto.go
+++ b/mtproto.go
@@ -256,7 +256,7 @@ func (m *MTProto) ExportNewSender(dcID int, mem bool) (*MTProto, error) {
 	}
 	sender, _ := NewMTProto(cfg)
 	m.Logger.Info("exporting new sender for DC " + strconv.Itoa(dcID))
-	err = sender.CreateConnection(true)
+	err = sender.CreateConnection(false)
 	if err != nil {
 		return nil, errors.Wrap(err, "creating connection")
 	}
@@ -269,6 +269,8 @@ func (m *MTProto) CreateConnection(withLog bool) error {
 	m.stopRoutines = cancelfunc
 	if withLog {
 		m.Logger.Info("Connecting to [" + m.Addr + "] - <Tcp> ...")
+	} else {
+		m.Logger.Debug("Connecting to [" + m.Addr + "] - <Tcp> ...")
 	}
 	err := m.connect(ctx)
 	if err != nil {
@@ -281,7 +283,14 @@ func (m *MTProto) CreateConnection(withLog bool) error {
 		} else {
 			m.Logger.Info("Connection to [" + m.Addr + "] - <Tcp> established")
 		}
+	} else {
+		if m.proxy != nil && m.proxy.Host != "" {
+			m.Logger.Debug("Connection to (~" + m.proxy.Host + ")[" + m.Addr + "] - <Tcp> established")
+		} else {
+			m.Logger.Debug("Connection to [" + m.Addr + "] - <Tcp> established")
+		}
 	}
+
 	m.startReadingResponses(ctx)
 	if !m.encrypted {
 		m.Logger.Debug("authKey not found, creating new one")
diff --git a/telegram/const.go b/telegram/const.go
index 474fe5f8..1e3e176e 100644
--- a/telegram/const.go
+++ b/telegram/const.go
@@ -4,7 +4,7 @@ import "regexp"
 
 const (
 	ApiVersion = 181
-	Version    = "v2.3.11"
+	Version    = "v2.3.12"
 
 	LogDebug   = "debug"
 	LogInfo    = "info"
diff --git a/telegram/helpers.go b/telegram/helpers.go
index ff27676e..5aa7ca68 100644
--- a/telegram/helpers.go
+++ b/telegram/helpers.go
@@ -602,15 +602,13 @@ func gatherVideoMetadata(path string, attrs []DocumentAttribute) ([]DocumentAttr
 		}
 
 		lines := strings.Split(strings.TrimSpace(string(out)), "\n")
-		if len(lines) == 3 {
-			dur, _ = strconv.ParseFloat(strings.TrimSpace(lines[2]), 64)
-			width, _ = strconv.ParseInt(strings.TrimSpace(lines[0]), 10, 32)
-			height, _ = strconv.ParseInt(strings.TrimSpace(lines[1]), 10, 32)
-		} else {
-			width, _ = strconv.ParseInt(strings.TrimSpace(lines[0]), 10, 32)
-			height, _ = strconv.ParseInt(strings.TrimSpace(lines[1]), 10, 32)
-			if len(lines) > 4 {
-				dur, _ = strconv.ParseFloat(strings.TrimSpace(lines[4]), 64)
+		for i, line := range lines {
+			if i == 0 {
+				width, _ = strconv.ParseInt(strings.TrimSpace(line), 10, 32)
+			} else if i == 1 {
+				height, _ = strconv.ParseInt(strings.TrimSpace(line), 10, 32)
+			} else if i == len(lines)-1 {
+				dur, _ = strconv.ParseFloat(strings.TrimSpace(line), 64)
 			}
 		}
 
diff --git a/telegram/media.go b/telegram/media.go
index d9778247..dd4bb3ea 100644
--- a/telegram/media.go
+++ b/telegram/media.go
@@ -106,6 +106,7 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 		}
 	}
 
+	c.Logger.Debug(fmt.Sprintf("expected workers: %d, preallocated workers: %d", numWorkers, sendersPreallocated))
 	for i := sendersPreallocated; i < numWorkers; i++ {
 		x, _ := c.CreateExportedSender(c.GetDC())
 		// go c.AddNewExportedSenderToMap(c.GetDC(), x) TODO: Implement this
@@ -130,7 +131,7 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 					go func(i int, part []byte, p int) {
 						defer wg.Done()
 					uploadStartPoint:
-						c.Logger.Debug("Uploading part", p, "with size", len(part), "in KB:", len(part)/1024, "to", i)
+						c.Logger.Debug(fmt.Sprintf("uploading part %d/%d in chunks of %d", p, totalParts, len(part)/1024))
 						if !IsFsBig {
 							_, err = sender[i].c.UploadSaveFilePart(fileId, int32(p), part)
 							hash.Write(part)
@@ -138,12 +139,8 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 							_, err = sender[i].c.UploadSaveBigFilePart(fileId, int32(p), int32(totalParts), part)
 						}
 						if err != nil {
-							if matchError(err, "FLOOD_WAIT_") {
-								if waitTime := getFloodWait(err); waitTime > 0 {
-									c.Logger.Warn("flood wait", waitTime, "seconds, waiting...")
-									time.Sleep(time.Duration(waitTime) * time.Second)
-									goto uploadStartPoint
-								}
+							if handleIfFlood(err, c) {
+								goto uploadStartPoint
 							}
 							c.Logger.Error(err)
 						}
@@ -170,7 +167,7 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 		}
 
 	lastPartUploadStartPoint:
-		c.Logger.Debug("Uploading last part", totalParts-1, "with size", len(part), "in KB:", len(part)/1024)
+		c.Logger.Debug(fmt.Sprintf("uploading last part %d/%d in chunks of %d", totalParts-1, totalParts, len(part)/1024))
 		if !IsFsBig {
 			_, err = c.UploadSaveFilePart(fileId, int32(totalParts)-1, part)
 		} else {
@@ -178,12 +175,8 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 		}
 
 		if err != nil {
-			if matchError(err, "FLOOD_WAIT_") {
-				if waitTime := getFloodWait(err); waitTime > 0 {
-					c.Logger.Warn("flood wait", waitTime, "seconds, waiting...")
-					time.Sleep(time.Duration(waitTime) * time.Second)
-					goto lastPartUploadStartPoint
-				}
+			if handleIfFlood(err, c) {
+				goto lastPartUploadStartPoint
 			}
 			c.Logger.Error(err)
 		}
@@ -191,8 +184,6 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 		if opts.ProgressCallback != nil {
 			go opts.ProgressCallback(int32(totalParts), int32(totalParts))
 		}
-
-		c.Logger.Debug("Uploaded last part", totalParts-1, "with size", len(part), "in KB:", len(part)/1024)
 	}
 
 	wg.Wait()
@@ -225,6 +216,18 @@ func (c *Client) UploadFile(src interface{}, Opts ...*UploadOptions) (InputFile,
 	}, nil
 }
 
+func handleIfFlood(err error, c *Client) bool {
+	if matchError(err, "FLOOD_WAIT_") {
+		if waitTime := getFloodWait(err); waitTime > 0 {
+			c.Logger.Warn("flood wait", waitTime, "seconds, waiting...")
+			time.Sleep(time.Duration(waitTime) * time.Second)
+			return true
+		}
+	}
+
+	return false
+}
+
 func prettifyFileName(file string) string {
 	return filepath.Base(file)
 }