v0.8

added loader interface

v0.7

moved to symfony 5.3

v0.6

moved to symfony 5.3

v0.5

added import factor for field values

v0.4

• set severity to "drop", to drop the dataset if not valid
• added key fields, to update dataset with an dataset with corresponding key values already exists

v0.3

bugfix: added missing dateformat argument

v0.2

adopted to new bundle structure, added multiple time formats

v0.1.0

moved from phpexcel to phpspreadsheet