diff --git a/NEWS b/NEWS
index 6f54dff3f..b6d7f7a8c 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,14 @@ For full details, see the git log at: https://github.com/ksh93/ksh/tree/1.0
 
 Any uppercase BUG_* names are modernish shell bug IDs.
 
+2022-06-09:
+
+- The POSIX mode has been amended to use a UNIX pipe(2) instead of a
+  socketpair(2) to connect commands in a pipeline, as the standard requires.
+  (When reading directly from a pipeline in posix mode, the <#pattern and
+  <##pattern redirection operators will not work and the -n option to the
+  read built-in will not return early when reading from a slow device.)
+
 2022-06-08:
 
 - If -B/--braceexpand is turned on in --posix mode, it now only allows brace
diff --git a/src/cmd/ksh93/Mamfile b/src/cmd/ksh93/Mamfile
index 614fa75a4..bbff8a017 100644
--- a/src/cmd/ksh93/Mamfile
+++ b/src/cmd/ksh93/Mamfile
@@ -1281,6 +1281,7 @@ make install
 			done aliases.o generated
 			make builtins.o
 				make data/builtins.c
+					prev FEATURE/poll implicit
 					prev FEATURE/cmds implicit
 					prev include/jobs.h implicit
 					prev include/builtins.h implicit
diff --git a/src/cmd/ksh93/data/builtins.c b/src/cmd/ksh93/data/builtins.c
index 2fc839c4b..8f0883de2 100644
--- a/src/cmd/ksh93/data/builtins.c
+++ b/src/cmd/ksh93/data/builtins.c
@@ -29,6 +29,7 @@
 #include	"builtins.h"
 #include	"jobs.h"
 #include	"FEATURE/cmds"
+#include	"FEATURE/poll"
 #define	bltin(x)	(b_##x)
 /* The following is for builtins that do not accept -- options */
 #define	Bltin(x)	(B_##x)
@@ -1407,7 +1408,7 @@ const char sh_optpwd[] =
 ;
 
 const char sh_optread[] =
-"[-1c?\n@(#)$Id: read (ksh 93u+m) 2022-02-16 $\n]"
+"[-1c?\n@(#)$Id: read (ksh 93u+m) 2022-06-09 $\n]"
 "[--catalog?" SH_DICT "]"
 "[+NAME?read - read a line from standard input]"
 "[+DESCRIPTION?\bread\b reads a line from standard input and breaks it "
@@ -1433,7 +1434,13 @@ const char sh_optread[] =
 	"the line starting at index 0.]"
 "[C?Unset \avar\a and read  \avar\a as a compound variable.]"
 "[d]:[delim?Read until delimiter \adelim\a instead of to the end of line.]"
-"[n]#[count?Read at most \acount\a characters or (for binary fields) bytes.]"
+"[n]#[count?Read at most \acount\a characters or (for binary fields) bytes."
+#if _pipe_socketpair
+	" When reading from a slow device, "
+	"will return as soon as any characters have been read, "
+	"unless the \bposix\b shell option is on."
+#endif
+	"]"
 "[N]#[count?Read exactly \acount\a characters or (for binary fields) bytes.]"
 "[p?Read from the current co-process instead of standard input. "
 	"An end-of-file causes \bread\b to disconnect the co-process "
diff --git a/src/cmd/ksh93/include/version.h b/src/cmd/ksh93/include/version.h
index dcf1e9c1f..dca29cf74 100644
--- a/src/cmd/ksh93/include/version.h
+++ b/src/cmd/ksh93/include/version.h
@@ -21,7 +21,7 @@
 
 #define SH_RELEASE_FORK	"93u+m"		/* only change if you develop a new ksh93 fork */
 #define SH_RELEASE_SVER	"1.0.0-beta.2"	/* semantic version number: https://semver.org */
-#define SH_RELEASE_DATE	"2022-06-08"	/* must be in this format for $((.sh.version)) */
+#define SH_RELEASE_DATE	"2022-06-09"	/* must be in this format for $((.sh.version)) */
 #define SH_RELEASE_CPYR	"(c) 2020-2022 Contributors to ksh " SH_RELEASE_FORK
 
 /* Scripts sometimes field-split ${.sh.version}, so don't change amount of whitespace. */
diff --git a/src/cmd/ksh93/sh.1 b/src/cmd/ksh93/sh.1
index 391dd5032..7557a9481 100644
--- a/src/cmd/ksh93/sh.1
+++ b/src/cmd/ksh93/sh.1
@@ -184,6 +184,12 @@ separated by
 .BR | .
 The standard output of each command but the last
 is connected by a
+.IR socketpair (2)
+or
+(if the
+.B posix
+shell option is on)
+by a
 .IR pipe (2)
 to the standard input of the next command.
 Each command,
@@ -7723,6 +7729,21 @@ disables fast filescan loops of type
 makes the \fB<>\fR redirection operator default to redirecting standard input
 if no file descriptor number precedes it;
 .IP \[bu]
+causes the shell to use a standard UNIX
+.IR pipe (2)
+instead of a
+.IR socketpair (2)
+to connect commands in a pipeline
+(when reading directly from a pipeline, the
+.BI <# pattern
+and
+.BI <## pattern
+redirection operators will not work and the
+.B -n
+option to the
+.B read
+built-in will not return early when reading from a slow device);
+.IP \[bu]
 disables the special floating point constants \fBInf\fR and \fBNaN\fR in
 arithmetic evaluation so that, e.g., \fB$((inf))\fR and \fB$((nan))\fR refer
 to the variables by those names;
diff --git a/src/cmd/ksh93/sh/io.c b/src/cmd/ksh93/sh/io.c
index 4d26420b5..05ea03635 100644
--- a/src/cmd/ksh93/sh/io.c
+++ b/src/cmd/ksh93/sh/io.c
@@ -913,6 +913,10 @@ int sh_iomovefd(register int fdold)
 int	sh_pipe(register int pv[])
 {
 	int fd[2];
+#ifdef pipe
+	if(sh_isoption(SH_POSIX))
+		return(sh_rpipe(pv));
+#endif
 	if(pipe(fd)<0 || (pv[0]=fd[0])<0 || (pv[1]=fd[1])<0)
 	{
 		errormsg(SH_DICT,ERROR_system(1),e_pipe);