You'll notice
Useful4 Signal1
Backspace now works in terminals that send the older backspace code.
What's wrong with this entry?
Anonymous. No account, no email.
What
Terminals that send BS (0x08) for the backspace key now register as backspace. Previously only code 127 was mapped, so those terminals produced an unrecognised key.
Evidence
return "backspace";
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.
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v2.1.234
Editing a queued command keeps its mode and refuses on a dirty draft
Both mention input
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v2.1.235
Enter no longer submits a text field in a select list, and arrows can leave the list
Both mention input
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v2.1.235
Vim cursor position survives re-renders and editor round trips
Both mention input