diff --git a/NEWS.md b/NEWS.md
index 359914c99..a394ff6dd 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,11 @@
+# Version ?
+
+## New features and enhancements
+
+* mkvmerge: mkvmerge now allows appending AV1, VP8, VP9, h.264/AVC and
+  h.265/HEVC tracks whose pixel dimensions differ. Implements #2582.
+
+
 # Version 35.0.0 "All The Love In The World" 2019-06-22
 
 ## New features and enhancements
diff --git a/src/output/p_av1.cpp b/src/output/p_av1.cpp
index 96c37b5ef..79b263a98 100644
--- a/src/output/p_av1.cpp
+++ b/src/output/p_av1.cpp
@@ -142,14 +142,11 @@ av1_video_packetizer_c::set_is_unframed() {
 
 connection_result_e
 av1_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
-                                       std::string &error_message) {
+                                       std::string &) {
   auto psrc = dynamic_cast<av1_video_packetizer_c *>(src);
   if (!psrc)
     return CAN_CONNECT_NO_FORMAT;
 
-  connect_check_v_width( m_hvideo_pixel_width,  psrc->m_hvideo_pixel_width);
-  connect_check_v_height(m_hvideo_pixel_height, psrc->m_hvideo_pixel_height);
-
   return CAN_CONNECT_YES;
 }
 
diff --git a/src/output/p_avc.cpp b/src/output/p_avc.cpp
index 9d758715c..4599f8677 100644
--- a/src/output/p_avc.cpp
+++ b/src/output/p_avc.cpp
@@ -128,10 +128,6 @@ avc_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
   if (!vsrc)
     return CAN_CONNECT_NO_FORMAT;
 
-  auto result = generic_video_packetizer_c::can_connect_to(src, error_message);
-  if (CAN_CONNECT_YES != result)
-    return result;
-
   if (m_ti.m_private_data && vsrc->m_ti.m_private_data && memcmp(m_ti.m_private_data->get_buffer(), vsrc->m_ti.m_private_data->get_buffer(), m_ti.m_private_data->get_size())) {
     error_message = fmt::format(Y("The codec's private data does not match. Both have the same length ({0}) but different content."), m_ti.m_private_data->get_size());
     return CAN_CONNECT_MAYBE_CODECPRIVATE;
diff --git a/src/output/p_avc_es.cpp b/src/output/p_avc_es.cpp
index ede163dc3..9781fda96 100644
--- a/src/output/p_avc_es.cpp
+++ b/src/output/p_avc_es.cpp
@@ -231,9 +231,6 @@ avc_es_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
   if (!vsrc)
     return CAN_CONNECT_NO_FORMAT;
 
-  connect_check_v_width( m_hvideo_pixel_width,  vsrc->m_hvideo_pixel_width);
-  connect_check_v_height(m_hvideo_pixel_height, vsrc->m_hvideo_pixel_height);
-  connect_check_codec_id(m_hcodec_id,           vsrc->m_hcodec_id);
   connect_check_codec_private(src);
 
   return CAN_CONNECT_YES;
diff --git a/src/output/p_hevc.cpp b/src/output/p_hevc.cpp
index 52b537501..21d17dd5f 100644
--- a/src/output/p_hevc.cpp
+++ b/src/output/p_hevc.cpp
@@ -96,10 +96,6 @@ hevc_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
   if (!vsrc)
     return CAN_CONNECT_NO_FORMAT;
 
-  auto result = generic_video_packetizer_c::can_connect_to(src, error_message);
-  if (CAN_CONNECT_YES != result)
-    return result;
-
   if (m_ti.m_private_data && vsrc->m_ti.m_private_data && memcmp(m_ti.m_private_data->get_buffer(), vsrc->m_ti.m_private_data->get_buffer(), m_ti.m_private_data->get_size())) {
     error_message = fmt::format(Y("The codec's private data does not match. Both have the same length ({0}) but different content."), m_ti.m_private_data->get_size());
     return CAN_CONNECT_MAYBE_CODECPRIVATE;
diff --git a/src/output/p_hevc_es.cpp b/src/output/p_hevc_es.cpp
index 65b9c5f15..38925b2af 100644
--- a/src/output/p_hevc_es.cpp
+++ b/src/output/p_hevc_es.cpp
@@ -212,9 +212,6 @@ hevc_es_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
   if (!vsrc)
     return CAN_CONNECT_NO_FORMAT;
 
-  connect_check_v_width( m_hvideo_pixel_width,  vsrc->m_hvideo_pixel_width);
-  connect_check_v_height(m_hvideo_pixel_height, vsrc->m_hvideo_pixel_height);
-  connect_check_codec_id(m_hcodec_id,           vsrc->m_hcodec_id);
   connect_check_codec_private(src);
 
   return CAN_CONNECT_YES;
diff --git a/src/output/p_vpx.cpp b/src/output/p_vpx.cpp
index 8cba70d1a..c9628a4b1 100644
--- a/src/output/p_vpx.cpp
+++ b/src/output/p_vpx.cpp
@@ -121,9 +121,6 @@ vpx_video_packetizer_c::can_connect_to(generic_packetizer_c *src,
 
   connect_check_codec_id(m_hcodec_id, psrc->m_hcodec_id);
 
-  connect_check_v_width(m_hvideo_pixel_width,      psrc->m_hvideo_pixel_width);
-  connect_check_v_height(m_hvideo_pixel_height,    psrc->m_hvideo_pixel_height);
-
   return CAN_CONNECT_YES;
 }