Nushell, Documentation, Scripts, Engine-Q, and Reedline Updates

- fdncred [added parameter to set thread count for parallel commands](https://github.com/nushell/nushell/pull/4424), and [tweak wording](https://github.com/nushell/nushell/pull/4415), and [turn down the perf volume a bit](https://github.com/nushell/nushell/pull/4412), and [fix broken `-w` param for `grid`](https://github.com/nushell/nushell/pull/4397), and [add `--perf` cli param](https://github.com/nushell/nushell/pull/4391), and [update starship docs](https://github.com/nushell/nushell/pull/4375), and [update ls_colors defaults](https://github.com/nushell/nushell/pull/4371) - elferherrera [deprecated commands](https://github.com/nushell/nushell/pull/4405) - sholderbach [fixed `trash-support` feature flag](https://github.com/nushell/nushell/pull/4394), and [made ANSI stripping lazy in more places](https://github.com/nushell/nushell/pull/4380), and [reduced table allocs: only strip ANSI if necessary](https://github.com/nushell/nushell/pull/4378) - henryrt [fixed "Index out of bounds" when input to the group-by filter is empty. #4369](https://github.com/nushell/nushell/pull/4382) - panicbit added [Support for records in reject command](https://github.com/nushell/nushell/pull/4373) - onsah added [Drop with iter range](https://github.com/nushell/nushell/pull/4242) ## Documentation - jaeheonji created [fix: delete duplicate header text](https://github.com/nushell/nushell.github.io/pull/219) - sakimyto [added regex documents](https://github.com/nushell/nushell.github.io/pull/218) ## Nu_Scripts - stormasm [updated file_cat to remove json files that are created](https://github.com/nushell/nu_scripts/pull/143), and [port dict.nu over to engine-q/cool_oneliners](https://github.com/nushell/nu_scripts/pull/142), and [port over to engine-q the script file_cat.nu](https://github.com/nushell/nu_scripts/pull/141) - skelly37 added [WolframAlpha API wrappers](https://github.com/nushell/nu_scripts/pull/140) ## engine-q - jt created [bump reedline](https://github.com/nushell/engine-q/pull/970), and [Make PipelineData helpers collect rawstreams](https://github.com/nushell/engine-q/pull/969), and [Oops, match semantics of each group/window](https://github.com/nushell/engine-q/pull/967), and [Add each window](https://github.com/nushell/engine-q/pull/966), and [Add par-each group](https://github.com/nushell/engine-q/pull/965), and [Fix completion duplicates](https://github.com/nushell/engine-q/pull/964), and [Switch more commands to redirecting blocks](https://github.com/nushell/engine-q/pull/956), and [Port each group](https://github.com/nushell/engine-q/pull/953), and [Remove broken error make examples](https://github.com/nushell/engine-q/pull/951), and [Error make](https://github.com/nushell/engine-q/pull/948) - elferherrera created [Reedline bump](https://github.com/nushell/engine-q/pull/962) - sholderbach [updated reedline to race-condition-free history](https://github.com/nushell/engine-q/pull/955) - fdncred [renamed some files](https://github.com/nushell/engine-q/pull/952) - stormasm [fixed test math/avg.rs can_average_bytes](https://github.com/nushell/engine-q/pull/946) ## reedline - jntrnr fixed [Make up/down be one press per history entry](https://github.com/nushell/reedline/pull/306), and [Fix one item completions](https://github.com/nushell/reedline/pull/304) - elferherrera [revised quick completions](https://github.com/nushell/reedline/pull/305), and [Vi menus](https://github.com/nushell/reedline/pull/303), and [Menu events](https://github.com/nushell/reedline/pull/302) - sholderbach [made appending and truncating history file thread safe](https://github.com/nushell/reedline/pull/299)

Updates this week include adding a parameter to set the thread count for parallel commands, deprecating commands, fixing feature flags, adding support for records in the reject command, and adding drop with iter range. Documentation updates include fixing a duplicate header text and adding regex documents. Nu_Scripts updates include updating file_cat, porting dict.nu and file_cat.nu, and adding WolframAlpha API wrappers. Engine-Q updates include bumping reedline, adding each window and par-each group, and fixing completion duplicates. Reedline updates include making up/down be one press per history entry, fixing one item completions, revising quick completions, and making appending and truncating history file thread safe.