diff --git a/Dockerfile b/Dockerfile
index 63f748c..17e5577 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,6 +20,7 @@ ENV AUDIO_BEETSTAGGING TRUE
 ENV CONVERTER_THREADS="0"
 ENV CONVERTER_OUTPUT_FORMAT="mp4"
 ENV CONVERTER_OUTPUT_EXTENSION="mp4"
+ENV CONVERTER_MINIMUM_SIZE="0"
 ENV CONVERTER_SORT_STREAMS="True"
 ENV CONVERTER_PROCESS_SAME_EXTENSIONS="False"
 ENV CONVERTER_FORCE_CONVERT="False"
@@ -35,7 +36,7 @@ ENV METADATA_DOWNLOAD_ARTWORK="poster"
 ENV METADATA_PRESERVE_SOURCE_DISPOSITION="True"
 # video settings
 ENV VIDEO_CODEC="h264, x264"
-ENV VIDEO_BITRATE="0"
+ENV VIDEO_MAX_BITRATE="0"
 ENV VIDEO_CRF="-1"
 ENV VIDEO_CRF_PROFILES=""
 ENV VIDEO_MAX_WIDTH="0"
@@ -70,13 +71,15 @@ ENV SUBTITLE_LANGUAGES=""
 ENV SUBTITLE_DEFAULT_LANGUAGE=""
 ENV SUBTITLE_FIRST_STREAM_OF_LANGUAGE="False"
 ENV SUBTITLE_ENCODING=""
-ENV SUBTITLE_BURN_SUBTITLES=""
+ENV SUBTITLE_BURN_SUBTITLES="False"
+ENV SUBTITLE_BURN_DISPOSITIONS="forced"
 ENV SUBTITLE_DOWNLOAD_SUBS="False"
 ENV SUBTITLE_DOWNLOAD_HEARING_IMPAIRED_SUBS="False"
 ENV SUBTITLE_DOWNLOAD_PROVIDERS=""
 ENV SUBTITLE_EMBED_SUBS="True"
 ENV SUBTITLE_EMBED_IMAGE_SUBS="False"
 ENV SUBTITLE_EMBED_ONLY_INTERNAL_SUBS="False"
+ENV SUBTITLE_FILENAME_DISPOSITIONS="forced"
 ENV SUBTITLE_IGNORE_EMBEDDED_SUBS="False"
 ENV SUBTITLE_ATTACHMENT_CODEC=""
 
diff --git a/root/scripts/update.py b/root/scripts/update.py
index a66c06a..5cd8f7e 100644
--- a/root/scripts/update.py
+++ b/root/scripts/update.py
@@ -22,6 +22,8 @@ def main():
         safeConfigParser.set("Converter", "output-format", os.environ.get("CONVERTER_OUTPUT_FORMAT"))
     if os.environ.get("CONVERTER_OUTPUT_EXTENSION"):    
         safeConfigParser.set("Converter", "output-extension", os.environ.get("CONVERTER_OUTPUT_EXTENSION"))
+    if os.environ.get("CONVERTER_MINIMUM_SIZE"):    
+        safeConfigParser.set("Converter", "minimum-size", os.environ.get("CONVERTER_MINIMUM_SIZE"))
     if os.environ.get("CONVERTER_SORT_STREAMS"):    
         safeConfigParser.set("Converter", "sort-streams", os.environ.get("CONVERTER_SORT_STREAMS"))
     if os.environ.get("CONVERTER_PROCESS_SAME_EXTENSIONS"):    
@@ -52,8 +54,8 @@ def main():
     # Set Video Settings
     if os.environ.get("VIDEO_CODEC"):
         safeConfigParser.set("Video", "codec", os.environ.get("VIDEO_CODEC"))
-    if os.environ.get("VIDEO_BITRATE"):
-        safeConfigParser.set("Video", "bitrate", os.environ.get("VIDEO_BITRATE"))
+    if os.environ.get("VIDEO_MAX_BITRATE"):
+        safeConfigParser.set("Video", "max-bitrate", os.environ.get("VIDEO_MAX_BITRATE"))
     if os.environ.get("VIDEO_CRF"):
         safeConfigParser.set("Video", "crf", os.environ.get("VIDEO_CRF"))
     if os.environ.get("VIDEO_CRF_PROFILES"):
@@ -124,6 +126,8 @@ def main():
         safeConfigParser.set("Subtitle", "encoding", os.environ.get("SUBTITLE_ENCODING"))
     if os.environ.get("SUBTITLE_BURN_SUBTITLES"):
         safeConfigParser.set("Subtitle", "burn-subtitles", os.environ.get("SUBTITLE_BURN_SUBTITLES"))
+    if os.environ.get("SUBTITLE_BURN_DISPOSITIONS"):
+        safeConfigParser.set("Subtitle", "burn-dispositions", os.environ.get("SUBTITLE_BURN_DISPOSITIONS"))
     if os.environ.get("SUBTITLE_DOWNLOAD_SUBS"):
         safeConfigParser.set("Subtitle", "download-subs", os.environ.get("SUBTITLE_DOWNLOAD_SUBS"))
     if os.environ.get("SUBTITLE_DOWNLOAD_HEARING_IMPAIRED_SUBS"):
@@ -136,6 +140,8 @@ def main():
         safeConfigParser.set("Subtitle", "embed-image-subs", os.environ.get("SUBTITLE_EMBED_IMAGE_SUBS"))
     if os.environ.get("SUBTITLE_EMBED_ONLY_INTERNAL_SUBS"):
         safeConfigParser.set("Subtitle", "embed-only-internal-subs", os.environ.get("SUBTITLE_EMBED_ONLY_INTERNAL_SUBS"))
+    if os.environ.get("SUBTITLE_FILENAME_DISPOSITIONS"):
+        safeConfigParser.set("Subtitle", "filename-dispositions", os.environ.get("SUBTITLE_FILENAME_DISPOSITIONS"))
     if os.environ.get("SUBTITLE_IGNORE_EMBEDDED_SUBS"):
         safeConfigParser.set("Subtitle", "ignore-embedded-subs", os.environ.get("SUBTITLE_IGNORE_EMBEDDED_SUBS"))
     if os.environ.get("SUBTITLE_ATTACHMENT_CODEC"):