- Difference description concerning the L-force Engineer from HighLevel V2.5 SP3 to V2.6

Function extensions
- Operation of 8400 devices
- Improved user guidance for exporting L-force Loader files
- Improved bus servers for the CAN system bus and diagnostics purposes
- Version number of applications with 9400 can be changed in the project

Eliminated function restrictions
- Incorrect display in the function block editor when a block has been renamed
- Hidden windows when old Engineer projects are opened
- The language of some texts in the 9400 keypad cannot be changed
- Error when bit-coded codes are edited
- Error when an application is replaced by an 'empty application'
- Incorrect French designation of the SM301 tab
- Function blocks for a wrong 9400 device version can be selected
- Blocks can be deleted 'online' in the function block editor
- The 'Complete' button is activated too early in the start-up
- No keypad files with Ethernet Powerlink device module
- Oscillograms of Engineer V1.5 SP2 cannot be opened
- User menu cannot be uploaded
- A connection in the function block editor leads to an error message when an update is executed

Compatibility with previous versions
Engineer:
Engineer V2.6 is downwards compatible in terms of function.
This means that higher software versions support all function included in the previously released software versions as of version 1.2.

In order to operate and configure 8400 devices Engineer version V2.6 is required. Other devices which are supported by Engineer V2.5 are also supported by Engineer V2.6.
> Previous Engineer versions cannot be used for new projects with 8400.