Bug fixes and other API-compatible changes: [#1363] handle cases in EventTable.cluster() where table is empty or already clustered [#1428] fix bug in Series index comparison [#1474] fix bug reading ASCII Files [#1484] resolve DeprecationWarning from SciPy 1.8.0 [#1487] fix reading a contiguous set of files with LALFrame [#1499] migrate GWDataFind interface to new UI [#1512] update name of Gravity Spy server for glitch tables [#1517] work around a bug in frameCPP Dependency changes: [#1441] Python >=3.7 [#1441] h5py >=2.8.0 [#1463] Astropy >=4.0 [#1463] NumPy >=1.16 [#1499] GWDataFind >=1.1.0 A number of other internal changes were made, the full list of changes related to this milestone can be seen at https://github.com/gwpy/gwpy/pulls?q=is:pr+milestone:2.1.4