Torstein Hønsi

Hi again @rdp1414, I found that the changing of the data series is caused by the series first being updated to the `undoOptions`, then to the new data. I have...

The `collectionsWithUpdate` stores the properties affected by [oneToOne](https://api.highcharts.com/class-reference/Highcharts.Chart#update:~:text=redraw%20the%20chart.-,oneToOne,options%20will%20be%20matched%20by%20id%2C%20and%20the%20remaining%20ones%20removed.,-animation) in an update.

Thanks for reporting! Due to problems with DDoS, we were forced to set up several instances of the export server. What likely happens is that your POST goes to one...

> Having the same issue. Can someone post how I can solve this? I'm using this script: @goransle We should modify that script and show how to use base64 encoded...

We decided to temporarily roll back to running a single instance of the export server, which means that `async` will be reliable again. However, that won't fix the initial problem,...

@Jamil81 As said we've rolled back now, but when we remove support for `async`, here's what you can do in PHP: ```php ```

@alexoliveira-os As said we've rolled back, but when we remove support for `async`, we recommend you use base64 encoded return like demonstrated above.

Note that we will remove the `async` flag altogether from December 1st. Read more at https://www.highcharts.com/docs/export-module/deprecated-async-option.

@cherishsim What type of server are you running? Options for Node.js and PHP server environments are given in the [docs article](https://www.highcharts.com/docs/export-module/deprecated-async-option). To summarize, if you're running Node.js you should [install...

@cherishsim So you want something like [this (jQuery based)](https://jsfiddle.net/highcharts/edyucqkw/) or [this (modern APIs)](https://jsfiddle.net/highcharts/mt2s95Ln/), but producing PDF instead of PNG, is that correct? In that case we can help you modify...