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Maybe we could then take an opportunity to merge the work done by 7-Zip ZStandard fork. There are great encoders there - for example the underappreciated Brotli, with crazy results with compression or decompression time to compression ratio - it's been selected as a new compression algorithm for PDF, for example. https://pdfa.org/brotli-compression-coming-to-pdf/ Brotli is also supported as the compression for HTML traffic for a long time. It doesn't beat LZMA2 in terms of compression ratio, but...

Maybe we could then take an opportunity to merge the work done by 7-Zip ZStandard fork. There are great encoders there - for example the underappreciated Brotli, with crazy results with compression or decompression time to compression ratio - it's been selected as a new compression algorithm for PDF, for example. https://pdfa.org/brotli-compression-coming-to-pdf/ It doesn't beat LZMA2 in terms of compression ratio, but it's good to have a choice. And there are those venerable LZ4 and ZStandard for...

Zstandard and LZ4 would be fine. Lizard looks like a kid with hydrocephalus. It has crazy slow compression speeds, so I could as well use Zstandard instead of it and have better speeds/compression ratios. LZ4 is to be the fastest of them all. So there could be like 3 "engines" - 7zip native LZMA as it is, then an option to choose Zstandard for more flexible scenarios, and LZ4 for the fast archiving/unarchiving for scenarios requiring extreme speeds. I agree this should resemble Tino's 7zip-zstd....

About "Tools / Delete Temporary Files..." I think the original requestor mentioned WinRAR's "Wipe temporary files", i.e. overwriting ALL THEIR CONTENTS with 0 bytes or random bytes before deleting the file. That makes sense if added/extracted files were sensitive to not unwillingly leak their contents to random places of the disk. It can be a problem on SSD, though, because of their wear-leveling algorithms (if you overwrite a file, it can actually not be overwritten in place, but the zero/random...

Maybe you can integrate the following solution to have the ability of ZSTD and LZ4 compression within .7z archives? https://github.com/mcmilk/7-Zip-zstd Thanks in advance!

It would be very helpful to be able to exclude files/folders when creating archives using GUI. For example, when archiving ad-hoc the entire "source" directory which contains many node.js projects, they all contain these dreaded "node_modules" directories with many gigabytes and millions of files deeply nested. They're not required to be archived, as they can be simply restored/reinstalled. Same for intermediate obj/ and bin/ folders in .NET projects. I'm sure there are many other legitimate uses...

Yeah, 2 things need to be improved with regard to the installer: it should offer the option to automatically exit any running KeePass in order to be able to install smoothly (and then restart it if it was running before), and do not ask for any options if it's an upgrade, simply reusing selections that were used for initial installation. That would make it so much simpler. Git for Windows is an excellent example of that approach.

That response didn't age well. Now ChaCha20+Poly1305 is in widespread use.