yesod/yesod-core/changelog.md

1.4.4.2 neverExpires uses dates one year in the future (instead of in 2037).

1.4.4.1 Improvements to etag/if-none-match support #868 #869

1.4.4 Add the notModified and setEtag functions.

1.4.3 Switch to mwc-random for token generation.