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The "Pig070IncompatibleChanges" page has been changed by OlgaN.
http://wiki.apache.org/pig/Pig070IncompatibleChanges?action=diff&rev1=28&rev2=29

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  || Change || Section || Impact || Steps to address || Comments ||
  || Load/Store interface changes || Changes to the Load and Store Functions || 
High || [[LoadStoreMigrationGuide || Load Store Migration Guide]] || ||
- || Data compression becomes load/store function specific || Handling 
Compressed Data || Unknow but hopefully low || If compression is needed the 
underlying Input/Output format would need to support it || ||
+ || Data compression becomes load/store function specific || Handling 
Compressed Data || Unknown but hopefully low || If compression is needed the 
underlying Input/Output format would need to support it || ||
- || Bzip compressed files can no longer have .bz extension || Handling 
Compressed Data || Low || 1. Rename existing .bz files to .bz2 files. 2. Update 
scripts to read/write files with bz2 extension || This change is due to the 
fact that Text{Input/Output}Format only supports bz2 extension ||
+ || Bzip compressed files in PigStorage format can no longer have .bz 
extension  || Handling Compressed Data || Low || 1. Rename existing .bz files 
to .bz2 files. 2. Update scripts to read/write files with bz2 extension || This 
change is due to the fact that Text{Input/Output}Format only supports bz2 
extension ||
- || Switch to Hadoop's local mode || Local Mode || Low || None || Main change 
is 10-20x performance slowdown. Also, local mode now uses the same UDF 
interfaces to execute UDFs as the MR mode. ||
+ || Switching to Hadoop's local mode || Local Mode || Low || None || Main 
change is 10-20x performance slowdown. Also, local mode now uses the same UDF 
interfaces to execute UDFs as the MR mode. ||
- || Load-Stream or Stream-Store optimizations no longer supported || Streaming 
|| Low to None || None || This feature was never documented so it is unlikely 
it was ever used ||
+ || Removing support for Load-Stream or Stream-Store optimization || Streaming 
|| Low to None || None || This feature was never documented so it is unlikely 
it was ever used ||
- || No longer support serialization and decerialization via load/store 
functions || Streaming || Unknown but hopefully low to medium || Implement new 
Serializer/Deserializer interfaces for non-standard serialization || ||
+ || We no longer support serialization and decerialization via load/store 
functions || Streaming || Unknown but hopefully low to medium || Implement new 
PigToStream and StreamToPig interfaces for non-standard serialization || 
LoadStoreRedesignProposal ||
- || Removed BinaryStorage builtin || Streaming || Low to None || None || As 
far as we know, this class was only used internally by streaming ||
+ || Removing BinaryStorage builtin || Streaming || Low to None || None || As 
far as we know, this class was only used internally by streaming ||
- || Split by file feature is removed || Split by File || Low to None || Input 
format of the loader would need to be used || We don't know that this feature 
was widely/ever used ||
+ || Removing Split by file feature || Split by File || Low to None || Input 
format of the loader would need to support this || We don't know that this 
feature was widely/ever used ||
- || Local files no longer accessible from hadoop || Access to Local Files from 
Map-Reduce Mode || low to none || copy the file to the cluster using 
copyToLocal command || This feature was not documented ||
+ || Local files no longer accessible from cluster || Access to Local Files 
from Map-Reduce Mode || low to none || copy the file to the cluster using 
copyToLocal command prior to the load || This feature was not documented ||
- || Removing Custom Comparators || Removing Custom Comparators || Low to None 
|| None || This feature has been depricated since Pig 0.5.0 release. We don't 
have a single known use case ||
+ || Removing Custom Comparators || Removing Custom Comparators || Low to None 
|| None || This feature has been deprecated since Pig 0.5.0 release. We don't 
have a single known use case ||
  
  == Changes to the Load and Store Functions ==
  

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