@Guest: No chance. ARM is gonna be replaced by RISC-V but x86 is here to stay. Tons of apps and games are built on it and it ain't gonna go away anytime soon. Also, Windows seldom supports ARM64.
Guest
Maybe it is better to wait 1–2 years before starting to port to x64, as devices with ARM CPUs (e.g. Snapdragon X Elite) might quickly push away devices with AMD/Intel. If this would happen your users might increasingly ask for a native ARM build, as this would run (probably noticeably) faster / more efficient.
martin
Re: ARM builds missing
We do not have immediate plans for ARM support. The next big step is x64 support.
ARM builds of FileZilla are already available (at least unofficially). I like WinSCP very much and I hope WinSCP won't fall behind in future as Microsoft seems now pushing Windows on ARM.
Are there any plans to offer native ARM64 builds? I think now would be a good time to make the source code adaption, as you could use AI tools like ChatGPT, which could do (more or less) the hard work for you.