sending in case anyone would like to test.
this adds markdown rendering support.

Index: Makefile
===================================================================
RCS file: /cvs/ports/textproc/mupdf/Makefile,v
diff -u -p -r1.163 Makefile
--- Makefile	21 Feb 2026 08:37:14 -0000	1.163
+++ Makefile	22 Jun 2026 13:40:03 -0000
@@ -2,9 +2,11 @@ COMMENT =	graphic library, pdf parser, v
 
 SHARED_LIBS +=  mupdf                 15.0
 
-V =		1.27.2
+V =		1.28.0-rc1
 DISTNAME =	mupdf-$V-source
 PKGNAME =	mupdf-${V:S/-rc/rc/}
+
+DIST_TUPLE =	github ArtifexSoftware thirdparty-cmark-gfm 74e0f5b6b62bbdd1e262c92f4bb2c6c871c6307e thirdparty/cmark-gfm
 
 CATEGORIES =	textproc x11
 
Index: distinfo
===================================================================
RCS file: /cvs/ports/textproc/mupdf/distinfo,v
diff -u -p -r1.80 distinfo
--- distinfo	21 Feb 2026 08:37:14 -0000	1.80
+++ distinfo	22 Jun 2026 13:40:03 -0000
@@ -1,2 +1,4 @@
-SHA256 (mupdf-1.27.2-source.tar.gz) = VThnsTUwPcTCWrZ8XyNNjpAKDjbmboSE2ZrcBf4ehzc=
-SIZE (mupdf-1.27.2-source.tar.gz) = 66968384
+SHA256 (ArtifexSoftware-thirdparty-cmark-gfm-74e0f5b6b62bbdd1e262c92f4bb2c6c871c6307e.tar.gz) = FyCZ4UCfALUJUyJ4ztys09IHrl6kgZvRici0OqrHQdo=
+SHA256 (mupdf-1.28.0-rc1-source.tar.gz) = M1kImwjYEut5/Gg8DzEo+gqQE2PoZC03QAo/wcRWVVQ=
+SIZE (ArtifexSoftware-thirdparty-cmark-gfm-74e0f5b6b62bbdd1e262c92f4bb2c6c871c6307e.tar.gz) = 301449
+SIZE (mupdf-1.28.0-rc1-source.tar.gz) = 68714621
Index: patches/patch-Makerules
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-Makerules,v
diff -u -p -r1.33 patch-Makerules
--- patches/patch-Makerules	4 Jun 2025 12:32:03 -0000	1.33
+++ patches/patch-Makerules	22 Jun 2026 13:40:03 -0000
@@ -1,7 +1,7 @@
 Index: Makerules
 --- Makerules.orig
 +++ Makerules
-@@ -151,7 +151,7 @@ ifeq ($(build),debug)
+@@ -155,7 +155,7 @@ ifeq ($(build),debug)
    CFLAGS += -pipe -g
    LDFLAGS += -g
  else ifeq ($(build),release)
Index: patches/patch-docs_man_mupdf_1
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-docs_man_mupdf_1,v
diff -u -p -r1.7 patch-docs_man_mupdf_1
--- patches/patch-docs_man_mupdf_1	13 May 2025 09:24:26 -0000	1.7
+++ patches/patch-docs_man_mupdf_1	22 Jun 2026 13:40:03 -0000
@@ -3,13 +3,13 @@ espie@ added feature
 Index: docs/man/mupdf.1
 --- docs/man/mupdf.1.orig
 +++ docs/man/mupdf.1
-@@ -119,6 +119,9 @@ Pan page left or right.
+@@ -121,6 +121,9 @@ Pan page left or right.
  .TP
  .B Control + Scroll wheel
  Zoom in or out.
 +.TP
 +.B Shift + Control + Scroll wheel
 +Fine grained Zoom in or out.
- 
+ .
  .SH KEY BINDINGS
- 
+ .SS Page navigation
Index: patches/patch-platform_x11_x11_main_c
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-platform_x11_x11_main_c,v
diff -u -p -r1.14 patch-platform_x11_x11_main_c
--- patches/patch-platform_x11_x11_main_c	6 Feb 2026 11:47:31 -0000	1.14
+++ patches/patch-platform_x11_x11_main_c	22 Jun 2026 13:40:03 -0000
@@ -32,20 +32,20 @@ Index: platform/x11/x11_main.c
  }
  
  void winopenuri(pdfapp_t *app, char *buf)
-@@ -989,6 +988,16 @@ int main(int argc, char **argv)
- 	tmo_at.tv_sec = 0;
- 	tmo_at.tv_usec = 0;
- 	timeout = NULL;
+@@ -992,6 +991,16 @@ int main(int argc, char **argv)
+ 		tmo_at.tv_sec = 0;
+ 		tmo_at.tv_usec = 0;
+ 		timeout = NULL;
 +
 +#ifdef HAVE_CURL
-+	if (pledge("stdio rpath wpath cpath inet dns proc exec", NULL) == -1)
-+#else
-+	if (pledge("stdio rpath wpath cpath proc exec", NULL) == -1)
-+#endif
-+	{
-+		fprintf(stderr, "pledge: %s\n", strerror(errno));
-+		exit(1);
-+	}
++		if (pledge("stdio rpath wpath cpath inet dns proc exec", NULL) == -1)
++	#else
++		if (pledge("stdio rpath wpath cpath proc exec", NULL) == -1)
++	#endif
++		{
++			fprintf(stderr, "pledge: %s\n", strerror(errno));
++			exit(1);
++		}
  
- 	if (kbps)
- 		pdfapp_open_progressive(&gapp, filename, 0, kbps);
+ 		if (kbps)
+ 			pdfapp_open_progressive(&gapp, filename, 0, kbps);
Index: patches/patch-source_tools_mudraw_c
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-source_tools_mudraw_c,v
diff -u -p -r1.22 patch-source_tools_mudraw_c
--- patches/patch-source_tools_mudraw_c	6 Feb 2026 11:47:31 -0000	1.22
+++ patches/patch-source_tools_mudraw_c	22 Jun 2026 13:40:03 -0000
@@ -12,7 +12,7 @@ Index: source/tools/mudraw.c
  #include <string.h>
  #include <limits.h>
  #include <stdlib.h>
-@@ -2208,6 +2210,12 @@ int mudraw_main(int argc, char **argv)
+@@ -2290,6 +2292,12 @@ int mudraw_main(int argc, char **argv)
  
  	if (fz_optind == argc)
  		return usage();
Index: patches/patch-source_tools_pdfpages_c
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-source_tools_pdfpages_c,v
diff -u -p -r1.6 patch-source_tools_pdfpages_c
--- patches/patch-source_tools_pdfpages_c	22 Mar 2024 13:14:37 -0000	1.6
+++ patches/patch-source_tools_pdfpages_c	22 Jun 2026 13:40:03 -0000
@@ -13,7 +13,7 @@ Index: source/tools/pdfpages.c
  #include <stdlib.h>
  #include <stdio.h>
  
-@@ -223,6 +226,12 @@ int pdfpages_main(int argc, char **argv)
+@@ -228,6 +231,12 @@ int pdfpages_main(int argc, char **argv)
  
  	if (fz_optind == argc)
  		return infousage();
Index: patches/patch-source_tools_pdfposter_c
===================================================================
RCS file: /cvs/ports/textproc/mupdf/patches/patch-source_tools_pdfposter_c,v
diff -u -p -r1.11 patch-source_tools_pdfposter_c
--- patches/patch-source_tools_pdfposter_c	6 Feb 2026 11:47:31 -0000	1.11
+++ patches/patch-source_tools_pdfposter_c	22 Jun 2026 13:40:03 -0000
@@ -12,7 +12,7 @@ Index: source/tools/pdfposter.c
  #include <string.h>
  #include <stdlib.h>
  #include <stdio.h>
-@@ -262,6 +264,12 @@ int pdfposter_main(int argc, char **argv)
+@@ -266,6 +268,12 @@ int pdfposter_main(int argc, char **argv)
  		(strstr(argv[fz_optind], ".pdf") || strstr(argv[fz_optind], ".PDF")))
  	{
  		outfile = fz_optpath(argv[fz_optind++]);
Index: pkg/PLIST
===================================================================
RCS file: /cvs/ports/textproc/mupdf/pkg/PLIST,v
diff -u -p -r1.36 PLIST
--- pkg/PLIST	6 Feb 2026 11:47:31 -0000	1.36
+++ pkg/PLIST	22 Jun 2026 13:40:03 -0000
@@ -37,6 +37,7 @@ include/mupdf/fitz/image.h
 include/mupdf/fitz/json.h
 include/mupdf/fitz/link.h
 include/mupdf/fitz/log.h
+include/mupdf/fitz/options.h
 include/mupdf/fitz/outline.h
 include/mupdf/fitz/output-svg.h
 include/mupdf/fitz/output.h