Disabled and read-only inputs\n  //\n  // HTML5 says that controls under a fieldset > legend:first-child won't be\n  // disabled if the fieldset is disabled. Due to implementation difficulty, we\n  // don't honor that edge case; we style them as disabled anyway.\n  &:disabled,\n  &[readonly] {\n    background-color: $input-disabled-bg;\n    // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.\n    opacity: 1;\n  }\n}\n\nselect.form-control {\n  &:focus::-ms-value...

Disabled and read-only inputs\n  //\n  // HTML5 says that controls under a fieldset > legend:first-child won't be\n  // disabled if the fieldset is disabled. Due to implementation difficulty, we\n  // don't honor that edge case; we style them as disabled anyway.\n  &:disabled,\n  &[readonly] {\n    background-color: $input-disabled-bg;\n    // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.\n    opacity: 1;\n  }\n}\n\nselect.form-control {\n  &:focus::-ms-value...

## Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

Abdullah Alrasheed, Achal Shah, Ad-530, ADiegoCAlonso, Aditya Yogi, Ag Ramesh,
akindyakov, Andy Kernahan, Anya Petrova, Aurelien Geron, Ben, Ben Barsdell,
Bhavani-Subramanian, braincodercn, Brett Koonce, Brian Nemsick, Brian Zier,
Bryan Heden, candy.dc, cclauss, Clayne Robison, ctiijima, Dalmo Cirne, David