1. CSS3 tab-size

    Method of customizing the width of the tab character. Only effective using 'white-space: pre' or 'white-space: pre-wrap'.

  2. WebAssembly

    WebAssembly or "wasm" is a new portable, size- and load-time-efficient format suitable for compilation to the web.

  3. writablestreamdefaultwriter api: desiredsize

  4. css property: resize: support on block level, replaced, table cell, or inline block elements

  5. css property: tab-size: `<length>`