A new version of MOSFLM (6.2.3) is now available from the MRC LMB ftp
site.

Major changes:

1) Treatment of mosaic spread refinement.  The refined value of the
   mosaic spread is now used by default (previously it was NOT used by
   default). To make the refinement more stable, the refined value is
   actually a running average of the refined value over several
   images. A small "safety factor" is also added. Additional
   subkeywords MOSSMOOTH and MOSADD on the POSTREF keyword control
   this. If the mosaic spread is large (more than 0.7 degrees) the
   refined value may be too small. Check the prediction to test this.
   If it is too small, either use a larger "safety factor" (MOSADD),
   or do not use the refined value by giving keywords POSTREF USEBEAM
   OFF.

2) Detectors recognised automatically. The detector type is recognised 
   automatically from the image for all common detectors. The DETECTOR 
   keyword is therefore no longer required.

3) New detector types.
   Mar Mosaic 225, Rigaku Jupiter, Saturn, Mercury and new-style R-Axis. 
   Old- and new-style R-Axis HTC images. Bruker SMART and Proteum, but 
   only if written "unwarped" and with 2-bytes per pixel. Oxford 
   Diffraction Sapphire.

4) Improvements to autoindexing and cell refinement to make both more robust.
   Spots lying in "ice rings" can now be excluded automatically from 
   autoindexing.

5) When running under Linux, the program could run very slowly if the SPOTOD 
   file was being written to an nfs mounted disk. This slowdown has been 
   eliminated by writing the file in a different way. This will give a 
   substantial improvement in speed in these situations.

6) Harvesting keywords PNAME, DNAME and XNAME have been introduced to 
   define the project name, dataset name and crystal name respectively. The 
   use of these keywords is strongly recommended, as they are used in 
   subsequent programs (eg SCALA uses them to help automatically assign 
   images to different "runs"). These will default to sensible parameters 
   if not set.

7) When integrating images or using the "Refine cell" option from the GUI, 
   the "Timeout" mode is now the default.

8) Numerous small bug fixes.