Beyond zprof (https://www.bigbinary.com/blog/zsh-profiling) not really I'm afraid. I did the majority of my zsh-prompt hacking 10 years ago and haven't thought about it since. That snippet could be from anywhere. You could peek at something like zprezto https://github.com/sorin-ionescu/prezto for tips. Fetching git/hg/... Info is always slow, so try and speed that up where you can (as to how to do that,... - Source: Hacker News / about 2 months ago

Is the command line really so scary? I enjoy using it from time-to-time (usually not for gaming related reasons) and I like things like Prezto to make it look pretty. Source: 12 months ago

I switched from Oh My Zsh to Prezto years ago. OMZ at the time was excruciatingly slow, but that may have changed. Maybe I should take another look at it, but Prezto has been great. Source: over 1 year ago

I installed iTerm2 and zsh shell with Prezto and I love my command line on OSX I use homebrew to install any tools that are missing and use pyenv to manage my python version (which I also do on Linux) that and the clang/gcc from the OSX command line tools and I pretty much have a full Un*x shell for anything I need to do. Source: over 1 year ago

Moreover, there are tools were made on top of those to provide more functionalities, and fill some of the gaps, for instance, oh-my-zsh, Prezto, oh-my-fish, and much more. However, the default embedded terminal in macOS is still lacking something. That's why iTerm and other terminal like Hyper. It provides you a set of customization to boost your productivity. - Source: dev.to / over 1 year ago

Never tried it: https://kdevelop.org/. Source: about 1 year ago

Since you want to become a KDE developer I suggest you use KDevelop as your IDE. Source: about 1 year ago