diff --git a/src/channel.c b/src/channel.c
index 757d942..aa478f1 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -737,27 +737,58 @@
 }
 
 /*
- * Set various properties from an "options" argument.
+ * Set various properties from an "opt" argument.
  */
     void
-channel_set_options(channel_T *channel, jobopt_T *options)
+channel_set_options(channel_T *channel, jobopt_T *opt)
 {
-    int part;
+    int    part;
+    char_u **cbp;
 
-    if (options->jo_set & JO_MODE)
+    if (opt->jo_set & JO_MODE)
 	for (part = PART_SOCK; part <= PART_IN; ++part)
-	    channel->ch_part[part].ch_mode = options->jo_mode;
-    if (options->jo_set & JO_TIMEOUT)
-	for (part = PART_SOCK; part <= PART_IN; ++part)
-	    channel->ch_part[part].ch_timeout = options->jo_timeout;
+	    channel->ch_part[part].ch_mode = opt->jo_mode;
+    if (opt->jo_set & JO_IN_MODE)
+	channel->ch_part[PART_IN].ch_mode = opt->jo_in_mode;
+    if (opt->jo_set & JO_OUT_MODE)
+	channel->ch_part[PART_OUT].ch_mode = opt->jo_out_mode;
+    if (opt->jo_set & JO_ERR_MODE)
+	channel->ch_part[PART_ERR].ch_mode = opt->jo_err_mode;
 
-    if (options->jo_set & JO_CALLBACK)
+    if (opt->jo_set & JO_TIMEOUT)
+	for (part = PART_SOCK; part <= PART_IN; ++part)
+	    channel->ch_part[part].ch_timeout = opt->jo_timeout;
+    if (opt->jo_set & JO_OUT_TIMEOUT)
+	channel->ch_part[PART_OUT].ch_timeout = opt->jo_out_timeout;
+    if (opt->jo_set & JO_ERR_TIMEOUT)
+	channel->ch_part[PART_ERR].ch_timeout = opt->jo_err_timeout;
+
+    if (opt->jo_set & JO_CALLBACK)
     {
-	vim_free(channel->ch_callback);
-	if (options->jo_callback != NULL && *options->jo_callback != NUL)
-	    channel->ch_callback = vim_strsave(options->jo_callback);
+	cbp = &channel->ch_callback;
+	vim_free(*cbp);
+	if (opt->jo_callback != NULL && *opt->jo_callback != NUL)
+	    *cbp = vim_strsave(opt->jo_callback);
 	else
-	    channel->ch_callback = NULL;
+	    *cbp = NULL;
+    }
+    if (opt->jo_set & JO_OUT_CALLBACK)
+    {
+	cbp = &channel->ch_part[PART_OUT].ch_callback;
+	vim_free(*cbp);
+	if (opt->jo_out_cb != NULL && *opt->jo_out_cb != NUL)
+	    *cbp = vim_strsave(opt->jo_out_cb);
+	else
+	    *cbp = NULL;
+    }
+    if (opt->jo_set & JO_ERR_CALLBACK)
+    {
+	cbp = &channel->ch_part[PART_ERR].ch_callback;
+	vim_free(*cbp);
+	if (opt->jo_err_cb != NULL && *opt->jo_err_cb != NUL)
+	    *cbp = vim_strsave(opt->jo_err_cb);
+	else
+	    *cbp = NULL;
     }
 }
 
diff --git a/src/eval.c b/src/eval.c
index 30b94e1..bc1d081 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -9873,6 +9873,34 @@
     return NULL;
 }
 
+    static int
+handle_mode(typval_T *item, jobopt_T *opt, ch_mode_T *modep, int jo)
+{
+    char_u	*val = get_tv_string(item);
+
+    opt->jo_set |= jo;
+    if (STRCMP(val, "nl") == 0)
+	*modep = MODE_NL;
+    else if (STRCMP(val, "raw") == 0)
+	*modep = MODE_RAW;
+    else if (STRCMP(val, "js") == 0)
+	*modep = MODE_JS;
+    else if (STRCMP(val, "json") == 0)
+	*modep = MODE_JSON;
+    else
+    {
+	EMSG2(_(e_invarg2), val);
+	return FAIL;
+    }
+    return OK;
+}
+
+    static void
+clear_job_options(jobopt_T *opt)
+{
+    vim_memset(opt, 0, sizeof(jobopt_T));
+}
+
 /*
  * Get the option entries from the dict in "tv", parse them and put the result
  * in "opt".
@@ -9910,21 +9938,32 @@
 	    {
 		if (!(supported & JO_MODE))
 		    break;
-		opt->jo_set |= JO_MODE;
-		val = get_tv_string(item);
-		if (STRCMP(val, "nl") == 0)
-		    opt->jo_mode = MODE_NL;
-		else if (STRCMP(val, "raw") == 0)
-		    opt->jo_mode = MODE_RAW;
-		else if (STRCMP(val, "js") == 0)
-		    opt->jo_mode = MODE_JS;
-		else if (STRCMP(val, "json") == 0)
-		    opt->jo_mode = MODE_JSON;
-		else
-		{
-		    EMSG2(_(e_invarg2), val);
+		if (handle_mode(item, opt, &opt->jo_mode, JO_MODE) == FAIL)
 		    return FAIL;
-		}
+	    }
+	    else if (STRCMP(hi->hi_key, "in-mode") == 0)
+	    {
+		if (!(supported & JO_IN_MODE))
+		    break;
+		if (handle_mode(item, opt, &opt->jo_in_mode, JO_IN_MODE)
+								      == FAIL)
+		    return FAIL;
+	    }
+	    else if (STRCMP(hi->hi_key, "out-mode") == 0)
+	    {
+		if (!(supported & JO_OUT_MODE))
+		    break;
+		if (handle_mode(item, opt, &opt->jo_out_mode, JO_OUT_MODE)
+								      == FAIL)
+		    return FAIL;
+	    }
+	    else if (STRCMP(hi->hi_key, "err-mode") == 0)
+	    {
+		if (!(supported & JO_ERR_MODE))
+		    break;
+		if (handle_mode(item, opt, &opt->jo_err_mode, JO_ERR_MODE)
+								      == FAIL)
+		    return FAIL;
 	    }
 	    else if (STRCMP(hi->hi_key, "callback") == 0)
 	    {
@@ -9938,6 +9977,30 @@
 		    return FAIL;
 		}
 	    }
+	    else if (STRCMP(hi->hi_key, "out-cb") == 0)
+	    {
+		if (!(supported & JO_OUT_CALLBACK))
+		    break;
+		opt->jo_set |= JO_OUT_CALLBACK;
+		opt->jo_out_cb = get_callback(item);
+		if (opt->jo_out_cb == NULL)
+		{
+		    EMSG2(_(e_invarg2), "out-db");
+		    return FAIL;
+		}
+	    }
+	    else if (STRCMP(hi->hi_key, "err-cb") == 0)
+	    {
+		if (!(supported & JO_ERR_CALLBACK))
+		    break;
+		opt->jo_set |= JO_ERR_CALLBACK;
+		opt->jo_err_cb = get_callback(item);
+		if (opt->jo_err_cb == NULL)
+		{
+		    EMSG2(_(e_invarg2), "err-cb");
+		    return FAIL;
+		}
+	    }
 	    else if (STRCMP(hi->hi_key, "waittime") == 0)
 	    {
 		if (!(supported & JO_WAITTIME))
@@ -9952,6 +10015,20 @@
 		opt->jo_set |= JO_TIMEOUT;
 		opt->jo_timeout = get_tv_number(item);
 	    }
+	    else if (STRCMP(hi->hi_key, "out-timeout") == 0)
+	    {
+		if (!(supported & JO_OUT_TIMEOUT))
+		    break;
+		opt->jo_set |= JO_OUT_TIMEOUT;
+		opt->jo_out_timeout = get_tv_number(item);
+	    }
+	    else if (STRCMP(hi->hi_key, "err-timeout") == 0)
+	    {
+		if (!(supported & JO_ERR_TIMEOUT))
+		    break;
+		opt->jo_set |= JO_ERR_TIMEOUT;
+		opt->jo_err_timeout = get_tv_number(item);
+	    }
 	    else if (STRCMP(hi->hi_key, "part") == 0)
 	    {
 		if (!(supported & JO_PART))
@@ -10107,12 +10184,11 @@
     }
 
     /* parse options */
+    clear_job_options(&opt);
     opt.jo_mode = MODE_JSON;
-    opt.jo_callback = NULL;
-    opt.jo_waittime = 0;
     opt.jo_timeout = 2000;
     if (get_job_options(&argvars[1], &opt,
-		JO_MODE + JO_CALLBACK + JO_WAITTIME + JO_TIMEOUT) == FAIL)
+	      JO_MODE_ALL + JO_CB_ALL + JO_WAITTIME + JO_TIMEOUT_ALL) == FAIL)
 	return;
     if (opt.jo_timeout < 0)
     {
@@ -10147,7 +10223,7 @@
     rettv->v_type = VAR_STRING;
     rettv->vval.v_string = NULL;
 
-    opt.jo_set = 0;
+    clear_job_options(&opt);
     if (get_job_options(&argvars[1], &opt, JO_TIMEOUT + JO_PART + JO_ID)
 								      == FAIL)
 	return;
@@ -10219,7 +10295,7 @@
     part_send = channel_part_send(channel);
     *part_read = channel_part_read(channel);
 
-    opt.jo_callback = NULL;
+    clear_job_options(&opt);
     if (get_job_options(&argvars[2], &opt, JO_CALLBACK) == FAIL)
 	return NULL;
 
@@ -10329,7 +10405,9 @@
     channel = get_channel_arg(&argvars[0]);
     if (channel == NULL)
 	return;
-    if (get_job_options(&argvars[1], &opt, JO_CALLBACK + JO_TIMEOUT) == FAIL)
+    clear_job_options(&opt);
+    if (get_job_options(&argvars[1], &opt,
+		JO_CB_ALL + JO_TIMEOUT_ALL + JO_MODE_ALL) == FAIL)
 	return;
     channel_set_options(channel, &opt);
 }
@@ -14684,9 +14762,10 @@
     rettv->vval.v_job->jv_status = JOB_FAILED;
 
     /* Default mode is NL. */
+    clear_job_options(&opt);
     opt.jo_mode = MODE_NL;
-    opt.jo_callback = NULL;
-    if (get_job_options(&argvars[1], &opt, JO_MODE + JO_CALLBACK) == FAIL)
+    if (get_job_options(&argvars[1], &opt,
+			    JO_MODE_ALL + JO_CB_ALL + JO_TIMEOUT_ALL) == FAIL)
 	return;
 
 #ifndef USE_ARGV
diff --git a/src/structs.h b/src/structs.h
index cba28fc..4bb44a0 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1373,14 +1373,25 @@
     int		ch_refcount;	/* reference count */
 };
 
-#define JO_MODE		1	/* all modes */
-#define JO_CALLBACK	2	/* channel callback */
-#define JO_WAITTIME	4	/* only for ch_open() */
-#define JO_TIMEOUT	8	/* all timeouts */
-#define JO_PART		16	/* "part" */
-#define JO_ID		32	/* "id" */
+#define JO_MODE		0x0001	/* channel mode */
+#define JO_IN_MODE	0x0002	/* stdin mode */
+#define JO_OUT_MODE	0x0004	/* stdout mode */
+#define JO_ERR_MODE	0x0008	/* stderr mode */
+#define JO_CALLBACK	0x0010	/* channel callback */
+#define JO_OUT_CALLBACK	0x0020	/* stdout callback */
+#define JO_ERR_CALLBACK	0x0040	/* stderr callback */
+#define JO_WAITTIME	0x0080	/* only for ch_open() */
+#define JO_TIMEOUT	0x0100	/* all timeouts */
+#define JO_OUT_TIMEOUT	0x0200	/* stdout timeouts */
+#define JO_ERR_TIMEOUT	0x0400	/* stderr timeouts */
+#define JO_PART		0x0800	/* "part" */
+#define JO_ID		0x1000	/* "id" */
 #define JO_ALL		0xffffff
 
+#define JO_MODE_ALL	(JO_MODE + JO_IN_MODE + JO_OUT_MODE + JO_ERR_MODE)
+#define JO_CB_ALL	(JO_CALLBACK + JO_OUT_CALLBACK + JO_ERR_CALLBACK)
+#define JO_TIMEOUT_ALL	(JO_TIMEOUT + JO_OUT_TIMEOUT + JO_ERR_TIMEOUT)
+
 /*
  * Options for job and channel commands.
  */
@@ -1389,9 +1400,16 @@
     int		jo_set;		/* JO_ bits for values that were set */
 
     ch_mode_T	jo_mode;
+    ch_mode_T	jo_in_mode;
+    ch_mode_T	jo_out_mode;
+    ch_mode_T	jo_err_mode;
     char_u	*jo_callback;	/* not allocated! */
+    char_u	*jo_out_cb;	/* not allocated! */
+    char_u	*jo_err_cb;	/* not allocated! */
     int		jo_waittime;
     int		jo_timeout;
+    int		jo_out_timeout;
+    int		jo_err_timeout;
     int		jo_part;
     int		jo_id;
 } jobopt_T;
diff --git a/src/testdir/test_channel.vim b/src/testdir/test_channel.vim
index 3d9f6d0..76c7c4e 100644
--- a/src/testdir/test_channel.vim
+++ b/src/testdir/test_channel.vim
@@ -147,8 +147,8 @@
   " check setting options (without testing the effect)
   call ch_setoptions(handle, {'callback': 's:NotUsed'})
   call ch_setoptions(handle, {'timeout': 1111})
+  call ch_setoptions(handle, {'mode': 'json'})
   call assert_fails("call ch_setoptions(handle, {'waittime': 111})", "E475")
-  call assert_fails("call ch_setoptions(handle, {'mode': 'json'})", "E475")
   call ch_setoptions(handle, {'callback': ''})
 
   " Send an eval request that works.
diff --git a/src/version.c b/src/version.c
index 84d0f94..bc8003e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -748,6 +748,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1376,
+/**/
     1375,
 /**/
     1374,