diff --git a/assets/sai.js b/assets/sai.js
index 734d886..325f3f1 100644
--- a/assets/sai.js
+++ b/assets/sai.js
@@ -395,7 +395,7 @@ var lang_zhs = "{" +
 "}}";
 
 var logs = "", redpend = 0, gitohashi_integ = 0, authd = 0, exptimer, auth_user = "",
-	ongoing_task_activities = {};
+	ongoing_task_activities = {}, last_log_timestamp = 0;
 
 function update_task_activities() {
 	for (const uuid in ongoing_task_activities) {
@@ -799,7 +799,8 @@ function sai_event_render(o, now_ut, reset_all_icon)
 			if (t.state === 4 || t.state == 6)
 				has_bad = 1;
 
-			s1 += "<div id=\"taskstate_" + t.uuid + "\" class=\"taskstate taskstate" + t.state + "\">";
+			s1 += "<div id=\"taskstate_" + t.uuid + "\" class=\"taskstate taskstate" + t.state +
+				"\" data-event-uuid=\"" + san(e.uuid) + "\" data-platform=\"" + san(t.platform) + "\">";
 			if (t.state === 0)
 				wai = 1;
 
@@ -1080,6 +1081,7 @@ function ws_open_sai()
 				 	  "\"com.warmcat.sai.taskinfo\"," +
 					  "\"js_api_version\": " + SAI_JS_API_VERSION + "," +
 				 	  "\"logs\": 1," +
+					  "\"last_log_ts\":" + last_log_timestamp + "," +
 				 	  "\"task_hash\":" +
 				 	  JSON.stringify(tid) + "}");
 				 	  
@@ -1523,6 +1525,7 @@ function ws_open_sai()
 						 	  	lines = times = logs = "";
 						 	  	tfirst = 0;
 						 	  	lli = 1;
+								last_log_timestamp = 0;
 							}); 
 					}
 					
@@ -1639,12 +1642,18 @@ function ws_open_sai()
 				}
 				break;
 
+			case "com.warmcat.sai.unauthorized":
+				location.reload();
+				break;
+
 			case "com-warmcat-sai-logs":
 				var s1 = atob(jso.log), s = hsanitize(s1), li,
 					en = "", yo, dh, ce, tn = "";
 					
 				if (!tfirst)
-					tfirst = jso.timestamp; 
+					tfirst = jso.timestamp;
+
+				last_log_timestamp = jso.timestamp;
 				
 				li = (s1.match(/\n/g)||[]).length;
 				
@@ -1813,6 +1822,55 @@ window.addEventListener("load", function() {
 	     	document.body.clientHeight;
 
 	}, 500)
+
+	const stickyEl = document.getElementById("sai_sticky");
+	if (stickyEl) {
+		stickyEl.addEventListener("contextmenu", function(event) {
+			let target = event.target;
+			let taskDiv = null;
+
+			// find the taskstate div parent
+			while (target && target.id !== "sai_sticky") {
+				if (target.classList && target.classList.contains("taskstate")) {
+					taskDiv = target;
+					break;
+				}
+				target = target.parentElement;
+			}
+
+			if (taskDiv && authd) {
+				event.preventDefault();
+
+				const taskUuid = taskDiv.id.substring(10);
+				const eventUuid = taskDiv.dataset.eventUuid;
+				const platform = taskDiv.dataset.platform;
+
+				const menuItems = [
+					{
+						label: "Rebuild this task",
+						callback: () => {
+							sai.send(JSON.stringify({
+								schema: "com.warmcat.sai.taskreset",
+								uuid: taskUuid
+							}));
+						}
+					},
+					{
+						label: `Rebuild all <b>${hsanitize(platform)}</b>`,
+						callback: () => {
+							sai.send(JSON.stringify({
+								schema: "com.warmcat.sai.platreset",
+								event_uuid: eventUuid,
+								platform: platform
+							}));
+						}
+					}
+				];
+
+				createContextMenu(event, menuItems);
+			}
+		});
+	}
 	
 }, false);
 
diff --git a/src/common/include/private.h b/src/common/include/private.h
index 24d5325..f497e31 100644
--- a/src/common/include/private.h
+++ b/src/common/include/private.h
@@ -230,6 +230,11 @@ typedef struct sai_rebuild {
 	char			builder_name[96];
 } sai_rebuild_t;
 
+typedef struct sai_platreset {
+	lws_dll2_t		list;
+	char			event_uuid[65];
+	char			platform[65];
+} sai_browse_rx_platreset_t;
 
 struct sai_event;
 
@@ -451,6 +456,7 @@ typedef struct sai_browse_rx_evinfo {
 
 typedef struct sai_browse_rx_taskinfo {
 	char		task_hash[65];
+	uint64_t	last_log_ts;
 	unsigned int	log_start;
 	unsigned int	js_api_version;
 	uint8_t		logs;
diff --git a/src/server/s-websrv.c b/src/server/s-websrv.c
index f12c519..419c917 100644
--- a/src/server/s-websrv.c
+++ b/src/server/s-websrv.c
@@ -54,6 +54,11 @@ static lws_struct_map_t lsm_browser_taskreset[] = {
 	LSM_CARRAY	(sai_browse_rx_evinfo_t, event_hash,	"uuid"),
 };
 
+static lws_struct_map_t lsm_browser_platreset[] = {
+	LSM_CARRAY	(sai_browse_rx_platreset_t, event_uuid, "event_uuid"),
+	LSM_CARRAY	(sai_browse_rx_platreset_t, platform,   "platform"),
+};
+
 static const lws_struct_map_t lsm_viewercount_members[] = {
 	LSM_UNSIGNED(sai_viewer_state_t, viewers,	"count"),
 };
@@ -71,6 +76,8 @@ static const lws_struct_map_t lsm_schema_json_map[] = {
 					      "com.warmcat.sai.viewercount"),
 	LSM_SCHEMA	(sai_rebuild_t,		 NULL, lsm_rebuild,
 					      "com.warmcat.sai.rebuild"),
+	LSM_SCHEMA	(sai_browse_rx_platreset_t, NULL, lsm_browser_platreset,
+					      "com.warmcat.sai.platreset"),
 };
 
 enum {
@@ -80,6 +87,7 @@ enum {
 	SAIS_WS_WEBSRV_RX_TASKCANCEL,
 	SAIS_WS_WEBSRV_RX_VIEWERCOUNT,
 	SAIS_WS_WEBSRV_RX_REBUILD,
+	SAIS_WS_WEBSRV_RX_PLATRESET,
 };
 
 void
@@ -459,6 +467,56 @@ websrvss_ws_rx(void *userobj, const uint8_t *buf, size_t len, int flags)
 
 		return 0;
 
+	case SAIS_WS_WEBSRV_RX_PLATRESET: {
+		sai_browse_rx_platreset_t *pr = (sai_browse_rx_platreset_t *)a.dest;
+		char filt[256];
+
+		if (sais_validate_id(pr->event_uuid, SAI_EVENTID_LEN))
+			goto soft_error;
+
+		/* open the event-specific database object */
+
+		if (sais_event_db_ensure_open(m->vhd, pr->event_uuid, 0, &pdb)) {
+			lwsl_err("%s: unable to open event-specific database\n",
+					__func__);
+			goto soft_error;
+		}
+
+		/*
+		 * Retreive all the related structs into a dll2 list
+		 */
+		lws_sql_purify(esc, pr->platform, sizeof(esc));
+		lws_snprintf(filt, sizeof(filt), " and platform='%s'", esc);
+
+		if (lws_struct_sq3_deserialize(pdb, filt, NULL,
+					       lsm_schema_sq3_map_task,
+					       &o, &a.ac, 0, 999) >= 0) {
+
+			sqlite3_exec(pdb, "BEGIN TRANSACTION",
+				     NULL, NULL, &err);
+			sqlite3_free(err);
+
+			/*
+			 * Walk the results list resetting all the tasks
+			 */
+
+			lws_start_foreach_dll(struct lws_dll2 *, p, o.head) {
+				sai_task_t *t = lws_container_of(p, sai_task_t,
+								 list);
+				sais_task_reset(m->vhd, t->uuid);
+			} lws_end_foreach_dll(p);
+
+			sqlite3_exec(pdb, "END TRANSACTION",
+				     NULL, NULL, &err);
+			sqlite3_free(err);
+		}
+
+		sais_event_db_close(m->vhd, &pdb);
+		lwsac_free(&a.ac);
+
+		return 0;
+	}
+
 	case SAIS_WS_WEBSRV_RX_EVENTDELETE:
 
 		ei = (sai_browse_rx_evinfo_t *)a.dest;
diff --git a/src/web/w-private.h b/src/web/w-private.h
index 2cbc1c7..344396a 100644
--- a/src/web/w-private.h
+++ b/src/web/w-private.h
@@ -180,6 +180,7 @@ struct pss {
 	char			login_form;
 
 	uint64_t		first_log_timestamp;
+	uint64_t		initial_log_timestamp;
 	uint64_t		artifact_offset;
 	uint64_t		artifact_length;
 
diff --git a/src/web/w-ws-browser.c b/src/web/w-ws-browser.c
index 955a22d..8767cb6 100644
--- a/src/web/w-ws-browser.c
+++ b/src/web/w-ws-browser.c
@@ -71,10 +71,16 @@ static lws_struct_map_t lsm_browser_taskreset[] = {
 	LSM_CARRAY	(sai_browse_rx_evinfo_t, event_hash,	"uuid"),
 };
 
+static lws_struct_map_t lsm_browser_platreset[] = {
+	LSM_CARRAY	(sai_browse_rx_platreset_t, event_uuid, "event_uuid"),
+	LSM_CARRAY	(sai_browse_rx_platreset_t, platform,   "platform"),
+};
+
 static lws_struct_map_t lsm_browser_taskinfo[] = {
 	LSM_CARRAY	(sai_browse_rx_taskinfo_t, task_hash,		"task_hash"),
 	LSM_UNSIGNED	(sai_browse_rx_taskinfo_t, logs,		"logs"),
 	LSM_UNSIGNED    (sai_browse_rx_taskinfo_t, js_api_version,	"js_api_version"),
+	LSM_UNSIGNED    (sai_browse_rx_taskinfo_t, last_log_ts,		"last_log_ts"),
 };
 
 /*
@@ -99,6 +105,8 @@ static const lws_struct_map_t lsm_schema_json_map_bwsrx[] = {
 					      "com.warmcat.sai.loadreport"),
 	LSM_SCHEMA	(sai_rebuild_t,		 NULL, lsm_rebuild,
 					      "com.warmcat.sai.rebuild"),
+	LSM_SCHEMA	(sai_browse_rx_platreset_t, NULL, lsm_browser_platreset,
+					      "com.warmcat.sai.platreset"),
 };
 
 enum {
@@ -110,6 +118,7 @@ enum {
 	SAIM_WS_BROWSER_RX_TASKCANCEL,
 	SAIM_WS_BROWSER_RX_JS_HELLO,
 	SAIM_WS_BROWSER_RX_REBUILD,
+	SAIM_WS_BROWSER_RX_PLATRESET,
 };
 
 
@@ -492,6 +501,11 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 		 * as long as needed to send it out
 		 */
 
+		if (ti->logs)
+			pss->initial_log_timestamp = ti->last_log_ts;
+		else
+			pss->initial_log_timestamp = 0;
+
 		if (saiw_pss_schedule_taskinfo(pss, ti->task_hash, !!ti->logs))
 			goto soft_error;
 
@@ -509,7 +523,7 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 	case SAIM_WS_BROWSER_RX_TASKRESET:
 
 		if (!sais_conn_auth(pss))
-			goto soft_error;
+			goto auth_error;
 
 		/*
 		 * User is asking us to reset / rebuild this task
@@ -523,7 +537,7 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 	case SAIM_WS_BROWSER_RX_EVENTRESET:
 
 		if (!sais_conn_auth(pss))
-			goto soft_error;
+			goto auth_error;
 
 		/*
 		 * User is asking us to reset / rebuild every task in the event
@@ -543,7 +557,7 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 		 */
 
 		if (!sais_conn_auth(pss))
-			goto soft_error;
+			goto auth_error;
 
 		ei = (sai_browse_rx_evinfo_t *)a.dest;
 
@@ -558,7 +572,7 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 	case SAIM_WS_BROWSER_RX_TASKCANCEL:
 
 		if (!sais_conn_auth(pss))
-			goto soft_error;
+			goto auth_error;
 
 		/*
 		 * Browser is informing us of task's STOP button clicked, we
@@ -574,7 +588,7 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 
 	case SAIM_WS_BROWSER_RX_REBUILD:
 		if (!sais_conn_auth(pss))
-			goto soft_error;
+			goto auth_error;
 
 		/*
 		 * User is asking us to rebuild a builder
@@ -583,6 +597,17 @@ saiw_ws_json_rx_browser(struct vhd *vhd, struct pss *pss, uint8_t *buf,
 		saiw_websrv_queue_tx(vhd->h_ss_websrv, buf, bl);
 		break;
 
+	case SAIM_WS_BROWSER_RX_PLATRESET:
+		if (!sais_conn_auth(pss))
+			goto auth_error;
+
+		/*
+		 * User is asking us to reset / rebuild a whole platform
+		 */
+
+		saiw_websrv_queue_tx(vhd->h_ss_websrv, buf, bl);
+		break;
+
 	default:
 		assert(0);
 		break;
@@ -595,6 +620,16 @@ bail:
 
 	return ret;
 
+auth_error:
+	{
+		uint8_t buf[LWS_PRE + 128];
+		int n;
+
+		n = lws_snprintf((char *)buf + LWS_PRE, sizeof(buf) - LWS_PRE,
+			"{\"schema\":\"com.warmcat.sai.unauthorized\"}");
+		lws_write(pss->wsi, buf + LWS_PRE, (size_t)n, LWS_WRITE_TEXT);
+	}
+
 soft_error:
 	lwsac_free(&a.ac);
 
@@ -1287,7 +1322,7 @@ send_it:
 		if (sch && sch->logsub && sch->one_task) {
 			strcpy(pss->sub_task_uuid, sch->one_task->uuid);
 			lws_dll2_add_head(&pss->subs_list, &pss->vhd->subs_owner);
-			pss->sub_timestamp = 0; /* where we got up to */
+			pss->sub_timestamp = pss->initial_log_timestamp; /* where we got up to */
 			lws_callback_on_writable(pss->wsi);
 
 			lwsl_info("%s: subscribed to logs for %s\n", __func__,