diff --git a/changelog.md b/changelog.md
index aa2f6e9de737390bc95c6306a4939856a5ff4316..d3ea709eff5169251b1766ceceadd9d4c38de31c 100644
--- a/changelog.md
+++ b/changelog.md
@@ -4,14 +4,16 @@ Changes in tpcclib
 This is a concise list of changes; commit messages can be found in the
 [Git repository](https://gitlab.utu.fi/vesoik/tpcclib.git).
 
-## version 0.7.8 (2022-02-17, in development)
+## version 0.7.8 (2022-02-22)
 
-- Less bad support for Siemens DICOM.
+- Bug fix in applications fit_frtm, fit_rrtm, fit_srtm, and fit_trtm, affecting plots of fitted TACs.
 - Bug fix in application lhsol, affecting reversible 3TCM.
 - Bug fix in application htmlgall.
 - Added applications llsqe3, imglhk1, imgmlist, imgfiltl, imgzavg, maskcloak, and imgaafind.
 - Imported application eabaort.
 - Added rootsCubic() and rootsQuadratic() in libtpclinopt in v2.
+- Added functions in libtpcimgp in v1.
+- Less bad support for Siemens DICOM.
 
 ## version 0.7.7 (2021-11-25)