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+Dear CrystFEL users and interested crystallographers,
+
+CrystFEL version 0.9.0 has been released!
+
+This release adds a new indexing method ("PinkIndexer") and improvements to
+reflection prediction which will enable data processing for wide bandwidth and
+electron diffraction experiments.
+
+A new core program has been added, "cell_tool", which can perform several
+useful tasks on unit cells such as transformation, finding indexing ambiguities
+and calculating power ring positions.
+
+There have been many other improvements across the whole suite.  Notably,
+CBFlib is no longer required by CrystFEL, manual resolution limits are no
+longer needed by ambigator, and "--no-cell-combinations" is no longer needed by
+indexamajig.
+
+See the release notes for more discussion of these improvements, and the
+ChangeLog for full details of the other improvements.
+
+Thanks for all of your past and future feedback and contributions, and
+your continued use of CrystFEL.  As ever, please contact me directly if
+you would prefer to be unsubscribed from this mailing list.
+
+CrystFEL website:
+https://www.desy.de/~twhite/crystfel
+
+Release notes for version 0.9.0:
+https://www.desy.de/~twhite/crystfel/relnotes-0.9.0
+
+CrystFEL tutorial:
+https://www.desy.de/~twhite/crystfel/tutorial
+
+Tom