Kochab

@loukash  If you haven't already read this entire thread, please take the time to do so.  There has already been plenty of discussion about using other apps/websites to do the conversion from whatever-format to ico.  The point is, many Affinity Designer users need and would like the ability to produce ico file output from within Affinity Designer - without having to fuss with other, often poorly written and maintained, software.
Additionally, your comment was just not helpful, especially for an Advanced Member.  I'm guessing that if @Nate.W is an Affinity user, Nate is more than capable of performing a web search without your assistance.
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Still an issue as of 2 years later, but another workaround is to click the symbol, click the symbol tab, click the Sync button to unsync the symbol, and then you can hide it. But you won't be able to resync the hide/unhide after that.

Still an issue as of 2 years later, but another workaround is to click the symbol, click the symbol tab, click the Sync button to unsync the symbol, and then you can hide it. But you won't be able to resync the hide/unhide after that.

I'm having the same problem. My designs look horrible next to others. Honestly, I'm shocked this is an issue. I love AD and have been using it for years, but just started getting into print-on-demand work where it hasn't been going well at all. They all want PNG files, not vectors. I tried exporting with every type of PNG resampling AD offers and all result in jagged designs. Here is the page on Teespring that talks about anti-aliasing. We desperately need this in AD:
https://community.teespring.com/training-center/design-file-tips-best-practices/

Vectars! Nice!

It actually is. I ran all my tests with aa off. If I upload with Firefox, it looks bad in both Firefox and Chrome. If I upload with Chrome, it looks good in both Firefox and Chrome. That is too weird. Well, I'm glad to know it's not AD then, and at least we can do the coverage map thing. Thank you to everyone who replied and took the time to test this out.

It actually is. I ran all my tests with aa off. If I upload with Firefox, it looks bad in both Firefox and Chrome. If I upload with Chrome, it looks good in both Firefox and Chrome. That is too weird. Well, I'm glad to know it's not AD then, and at least we can do the coverage map thing. Thank you to everyone who replied and took the time to test this out.

Hello. I'm attempting to upload art made in Affinity Designer to Teespring. I export as a PNG, Resample: Bilinear and don't resize the image larger when creating my listing. After creating the listing, the preview looks pixelated. Other shops don't have this pixelation problem on their product pages. I'm concerned about the quality of the shirt. Their design tips say to turn off anti-aliasing in Illustrator. Can I achieve a similar result in Designer to prevent pixilation of a printed product? I see an export option for nearest neighbor but I don't fully understand this or if it will allow my design to be printed with high quality. The artwork are vectors and they are only pixelated when uploaded to the shop. What would you suggest?

Oh wow, thanks for raising this as I having been having the same frustrating issue and was trying to figure out what I'm doing wrong. I'm also using ADfor print on demand and even though I export high resolution PNGs @300 dpi, when I upload my designs on t-shirts on Teespring and Redbubble, the images look OK only at 100% scale but rapidly appear more low res and blurry with jagged edges when scaled down to meet the dimension requirements of each apparel (by the time you get to 50%, it’s barely legible at a distance) and the fonts also appear fuzzy not crisp and sharp. 
When I compare my images (for print) to those of other designers on the POD platforms their images appear much sharper and even their  smaller fonts are more legible than my large fonts. No matter what I do (I export at 300dpi) my images look low res when scaled down, which is strange because isn't this supposed to happen when you scale up instead?
This appears to be an ongoing issue with AD. I’ve seen so many complaints about this since 2014! So many people using Affinity Designer have complained about this and it's not because people don't know what they are doing! People who use Adobe illustrator have sharper images because AI has the anti-aliasing feature which is switched off prior to exporting and this ensures that the images are crisp with smooth edges. 
I don't know why ADaren't sorting this out when so many people have complained- asking now to turn of ANTI-ALIASING. AD say the solution is to do with coverage maps but I don’t yet understand it and it appears complicated. Why can’t they just add this anti-aliasing feature? or put out a detailed tutorial explaining this map coverage stuff, showing an example of a text design exported to a Print on Demand platform and tested on several apparel with different dimension requirements. This will help a lot of us out while they sort this out. This person also posted this issue on another thread with clear images. https://forum.affinity.serif.com/index.php?/topic/114272-how-does-anti-aliasing-work-on-affinity-designer/

I have to agree with you Jan. As I have said earlier, it seems, all of their work has gone toward the iPad version of AD and I would guess their next release: Publisher. I find it funny because I sit and watch all of the requests for updates and fixes, but nothing is happening. I wonder if they have too many irons in the fire for their workforce? They do have a  good product for the price. but there is still a lot to accomplish for the people they are trying to reach. 

Yes, please. Need to be able to search both shortcut keys and shortcut terms.