Tested hosts
============

| Product                 | Host sig.   | MaxSpace32       | MaxSpace64       | Preserves parameters? | 
| ----------------------- | ----------- | ---------------- | ---------------- | --------------------- |
| Adobe Photoshop         | '8BIM'      | Bytes            | Bytes            | Yes                   |
| Serif PhotoPlus 6       | '8BIM'(!)   | Kilobytes (!)    | Not in use       | Yes                   |
| PluginCommander 1.62    | '8BIM'(!)   | Bytes            | Not in use       | No (!)                |
| Corel Paint Shop Pro X  | 'PSP9'      | Bytes            | Not in use       | Yes                   |
| GIMP (using PSPI)       | 'PMIG'      | Bytes, 100MB     | Not in use       | No (!)                |
| IrfanView 4.53 (32+64)  | 'UP20'      | Kilobytes (!)    | Not in use       | No (!)                |
| Paint.Net PSFilterPdn   | 'NDP.'      | Bytes, 1 GB      | Not in use       | Yes                   |
| Adobe Premiere 5        | '8B)M'(sic) | Bytes, 2000000   | Not in use       | ???                   |

Note:
- MaxSpace32: Bytes = Good
- Preserve Parameters: Yes = Good
- Hosts should have an individual signature (not '8BIM'), otherwise we cannot distinguish them in order to create workarounds

More hosts to test:
https://www.thepluginsite.com/products/harrysfilters/compatibility.htm