Verb

(transitive, or, intransitive)

To add or substitute new parts or components to some device, structure etc., that were not previously available; to modernize

To fix an older version (or older versions) as part of the same process of fixing the newest version; to backport

The bug was so bad that we had to retrofit our patch to the last three releases, as well as the newest release.

Verb

(improv)

(lb) To make (something) better; to increase the value or productivity (of something).

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*{{quote-magazine, date=2013-06-22, volume=407, issue=8841, page=70, magazine=(The Economist)

, title= Engineers of a different kind , passage=Private-equity nabobs bristle at being dubbed mere financiers. Piling debt onto companies’ balance-sheets is only a small part of what leveraged buy-outs are about, they insist. Improving the workings of the businesses they take over is just as core to their calling, if not more so. Much of their pleading is public-relations bluster.}}

(lb) To become better.

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*:“My Continental prominence is improving ,” I commented dryly. ¶ Von Lindowe cut at a furze bush with his silver-mounted rattan. ¶ “Quite so,” he said as dryly, his hand at his mustache. “I may say if your intentions were known your life would not be worth a curse.”

(lb) To disprove or make void; to refute.

*(William Tyndale) (1494-1536)

*:Neither can any of them make so strong a reason which another cannot improve .

(lb) To disapprove of; to find fault with; to reprove; to censure.

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:(Chapman)

*(William Tyndale) (1494-1536)

*:When he rehearsed his preachings and his doing unto the high apostles, they could improve nothing.

(lb) To use or employ to good purpose; to turn to profitable account.

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*(Isaac Barrow) (1630-1677)

*:We shall especially honour God by improving diligently the talents which God hath committed to us.

*(Joseph Addison) (1672-1719)

*:a hint that I do not remember to have seen opened and improved

*(William Blackstone) (1723-1780)

*:The court seldom fails to improve the opportunity.

*(Isaac Watts) (1674-1748)

*:How doth the little busy bee / Improve each shining hour.

*(George Washington) (1732-1799)

*:True policy, as well as good faith, in my opinion, binds us to improve the occasion.