diff --git a/Changelog.txt b/Changelog.txt
index e44776e1c..566eb9411 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -10,6 +10,7 @@
    * Add more mpv preview settings in UI
    * Add cmd convert param "/teletextonlypage:<number>" - thx dystopia2017
    * Add export of TTML SMPTE-TT with inline Base64 encoded PNG images
+   * Add new settings for webvtt auto merge
 * IMPROVED:
    * Update Hebrew translation - thx אלחנן 
    * Update Slovenian translation - thx Jadran
@@ -21,12 +22,17 @@
    * Update Italian language - thx bovirus
    * Update Catalan translation - thx  jordimas
    * Update German translation - thx Netspark
+   * Update Bulgarian translation - thx Калин
    * Find/Replace are no longer modal windows - thx Cyberyoda1411/domddol
    * Replace: Add find/replace target + minor redesign
    * List all EBU language codes - thx TerrorizedGakon
    * Update Whisper CPP to v1.3.0
    * Update Whisper Const-me to 1.11
    * Make main text boxes a little wider - thx Cyberyoda1411
+   * Allow raw VTT preview in mpv - thx DeicPro
+   * Make custom "Toogle custom tags (surround with)" work with empty start or end tag
+   * Fix common errors Chinese issue with six dots - thx TokerX
+   * Keep original text box visible when not allowing edit of original - thx OmrSi
 * FIXED:
    * Fix "Add embedded subtitles" with ANSI encoding - thx Cyberyoda1411
    * Fix running Whisper CPP/Const-me after setting folder for Whisper OpenAI - thx rsmith02ct
@@ -37,6 +43,8 @@
    * Fix possible crash reading .ts files - thx hepalin
    * Fix crash in split lines - thx Papai
    * Fix video cut duration in "Generate video with burned-in subitle" - thx Alxndr
+   * Fix "Insert after" with minimum gap zero ms - thx steam3d
+   * Fix crash in image export - thx dimailer
 
 
 3.6.12 (26th March 2023)
@@ -728,6 +736,7 @@
    * Update Tesseract 5 Alpha to "2021-05-06" - thx iGom
    * Add French letters in OCR char inspect - thx tormento
    * Handle Unicode control char in "Remove empty lines" - thx igenaya
+   * Improve audio-to-text post processing a little - thx oep42
 * FIXED:
    * Fix for unwanted line copy with alt+arrow-up/down fast - thx Nathália
    * Fix for reading BDSup position - thx akaicat
diff --git a/src/ui/Forms/AudioToText/WhisperDownload.cs b/src/ui/Forms/AudioToText/WhisperDownload.cs
index 7cf76cb75..743530fe2 100644
--- a/src/ui/Forms/AudioToText/WhisperDownload.cs
+++ b/src/ui/Forms/AudioToText/WhisperDownload.cs
@@ -11,19 +11,21 @@ namespace Nikse.SubtitleEdit.Forms.AudioToText
 {
     public sealed partial class WhisperDownload : Form
     {
-        private const string DownloadUrl64Cpp = "https://github.com/ggerganov/whisper.cpp/releases/download/v1.3.0/whisper-blas-bin-x64.zip";
-        private const string DownloadUrl32Cpp = "https://github.com/ggerganov/whisper.cpp/releases/download/v1.3.0/whisper-blas-bin-Win32.zip";
+        private const string DownloadUrl64Cpp = "https://github.com/ggerganov/whisper.cpp/releases/download/v1.4.0/whisper-blas-bin-x64.zip";
+        private const string DownloadUrl32Cpp = "https://github.com/ggerganov/whisper.cpp/releases/download/v1.4.0/whisper-blas-bin-Win32.zip";
         private readonly CancellationTokenSource _cancellationTokenSource;
         private readonly string _whisperChoice;
 
         private static readonly string[] Sha512Hashes =
         {
-            "e193e845380676b59deade82d3f1de70ac54da3b5ffa70b4eabb3a2a96ad312d8f197403604805cef182c85c3a3370dd74a2b0b7bccf2d95b1022c10ce8c7b79", // 64-bit OpenBLAS
-            "4218423f79d856096cdc8d88aad2e361740940e706e0b1d07dc3455571022419ad14cfef717f63e8fc61a7a1ef67b6722cec8b3c4c25ad7f087a23b1b89c5d91", // 32-bit OpenBLAS
+            "fc1878c3b7200d0531c376bbe52319a55575e3ceeeacecbee54a366116c30eb1aa3d0a34c742f9fd5a47ffb9f24cba75653d1498e95e4f6f86c00f6d5e593d2a", // 64-bit OpenBLAS
+            "44cb0f326ece26c1b41bd0b20663bc946990a7c3b56150966eebefb783496089289b6002ce93d08f1862bf6600e9912ac62057c268698672397192c55eeb30a2", // 32-bit OpenBLAS
         };
 
         private static readonly string[] OldSha512Hashes =
         {
+            "e193e845380676b59deade82d3f1de70ac54da3b5ffa70b4eabb3a2a96ad312d8f197403604805cef182c85c3a3370dd74a2b0b7bccf2d95b1022c10ce8c7b79", // 64-bit OpenBLAS
+            "4218423f79d856096cdc8d88aad2e361740940e706e0b1d07dc3455571022419ad14cfef717f63e8fc61a7a1ef67b6722cec8b3c4c25ad7f087a23b1b89c5d91", // 32-bit OpenBLAS
             "a6a75a5d63b933c3529a500b7dd8b330530894b09461bb0a715dbedb31bf2e3493238e86af6d7cc64f3af196a6d61d96bb23853f98d21c8172d5d53d7aad33d9", // 64-bit OpenBLAS
             "92f64f207c400c7c0f1fc27006bf2a1e4170fdc63d045dfdf0a0848b3d727f2763eccfb55e10b6e745e9d39892d24cb9b4c471594011d041458c1ff8722e1ffc", // 32-bit OpenBLAS
             "f2073d5ce928e59f7717a82f0330e4d628c81e6cb421b934b4792ac16fb9a33fb9482812874f39d4c7ca02a47a9739d5dd46ddc2e0abc0eb1097dc60bb0616b2", // AVX2 64-bit