I'm using v0.11.5
The example flow is shown below, it does persist, but errors occur when the browser is refreshed, such as one of the last points returns to it's starting point (I have action: Replace selected), and also there are numerous labels for a single datapoint that were not present before a refresh (I have cleared the browser cache and tried other browsers)
[{"id":"f20764275f45c71c","type":"ui-chart","z":"4dd980c3a6520528","group":"cb03a2a3aec89425","name":"","label":"chart","order":9007199254740991,"chartType":"line","category":"index","categoryType":"property","xAxisProperty":"x","xAxisPropertyType":"msg","xAxisType":"time","yAxisProperty":"y","ymin":"","ymax":"","action":"replace","pointShape":"circle","pointRadius":"0","showLegend":true,"removeOlder":"52","removeOlderUnit":"604800","removeOlderPoints":"2000","colors":["#1f77b4","#aec7e8","#ff7f0e","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5"],"width":"25","height":"9","className":"","x":690,"y":1340,"wires":[[]]},{"id":"3310771e32af28ab","type":"inject","z":"4dd980c3a6520528","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"{}","payloadType":"json","x":530,"y":1380,"wires":[["f20764275f45c71c"]]},{"id":"c8db054961164e8c","type":"inject","z":"4dd980c3a6520528","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"[{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-10T00:00:00.007Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-11T00:00:00.004Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-12T00:00:00.005Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-13T00:00:00.004Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-14T00:00:00.005Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-15T00:00:00.003Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-16T00:00:00.005Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-17T00:00:00.005Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-18T00:00:00.007Z\"},{\"index\":\"Close_Brothers\",\"y\":1.63013698630137,\"x\":\"2024-01-19T00:00:00.004Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-10T00:00:00.006Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-11T00:00:00.003Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-12T00:00:00.004Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-13T00:00:00.003Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-14T00:00:00.004Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-15T00:00:00.003Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-16T00:00:00.005Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-17T00:00:00.005Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-18T00:00:00.006Z\"},{\"index\":\"NSI_Fixed_Bond\",\"y\":1.8172602739726027,\"x\":\"2024-01-19T00:00:00.004Z\"},{\"index\":\"Santander-EA\",\"y\":9.592335197689629,\"x\":\"2024-01-10T00:00:00.007Z\"},{\"index\":\"Santander-EA\",\"y\":9.593670240506185,\"x\":\"2024-01-11T00:00:00.004Z\"},{\"index\":\"Santander-EA\",\"y\":9.595005469131438,\"x\":\"2024-01-12T00:00:00.005Z\"},{\"index\":\"Santander-EA\",\"y\":9.596340883591251,\"x\":\"2024-01-13T00:00:00.003Z\"},{\"index\":\"Santander-EA\",\"y\":9.59767648391149,\"x\":\"2024-01-14T00:00:00.005Z\"},{\"index\":\"Santander-EA\",\"y\":9.599012270118019,\"x\":\"2024-01-15T00:00:00.003Z\"},{\"index\":\"Santander-EA\",\"y\":9.60034824223671,\"x\":\"2024-01-16T00:00:00.005Z\"},{\"index\":\"Santander-EA\",\"y\":9.601684400293436,\"x\":\"2024-01-17T00:00:00.005Z\"},{\"index\":\"Santander-EA\",\"y\":9.60302074431408,\"x\":\"2024-01-18T00:00:00.007Z\"},{\"index\":\"Santander-EA\",\"y\":9.60435727432452,\"x\":\"2024-01-19T00:00:00.004Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-10T00:00:00.006Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-11T00:00:00.003Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-12T00:00:00.004Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-13T00:00:00.003Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-14T00:00:00.004Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-15T00:00:00.002Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-16T00:00:00.004Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-17T00:00:00.004Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-18T00:00:00.006Z\"},{\"index\":\"WestBrom-Websave\",\"y\":3.1643835616438354,\"x\":\"2024-01-19T00:00:00.003Z\"}]","payloadType":"json","x":530,"y":1340,"wires":[["f20764275f45c71c"]]},{"id":"cb03a2a3aec89425","type":"ui-group","name":"Data","page":"a3961e80f44af073","width":"25","height":"15","order":-1,"showTitle":true,"className":"","visible":"true","disabled":"false"},{"id":"a3961e80f44af073","type":"ui-page","name":"Analysis","ui":"ae3d4aeb3f977a90","path":"/analysis","icon":"home","layout":"grid","theme":"a965ccfef139317a","order":-1,"className":"","visible":"true","disabled":"false"},{"id":"ae3d4aeb3f977a90","type":"ui-base","name":"Dashboard","path":"/dashboard","includeClientData":true,"acceptsClientConfig":["ui-notification","ui-control"]},{"id":"a965ccfef139317a","type":"ui-theme","name":"Default","colors":{"surface":"#ffffff","primary":"#0094ce","bgPage":"#eeeeee","groupBg":"#ffffff","groupOutline":"#cccccc"}}]
