V2.0.7.0, 29. March 2015

- bugfixes: dblw_bolzen.exe
- uptodate approval

V2.0.6.0, 21. March 2013

- bugfixes: dblw_bolzen.exe - supplementary reinforcement and report

V2.0.5.0, 29. January 2013

- changes/extensions/bugfixes: dblw_bolzen.exe - concrete edge and blowout failure, supplementary reinforcement, interaction

V2.0.4.0, 25. May 2012

- bugfixes: dblw_bolzen.exe
- Minor changes/extensions in reports

V2.0.3.0, 13. December 2011

- bugfix: dblw_bolzen.exe - shear supplementary reinforcement CEN

V2.0.2.0, 03. November 2011

- bugfix: dblw_bolzen.exe - bolt status and shear supplementary reinforcement ETA
- Minor changes in reports

V2.0.1.0, 28. April 2011

- Approval changes
- Minor changes in all program parts

V2.0.0.0, 07. July 2010

- Program revision: headed stud design acc. to CEN/TS 1992-4:2009 Parts 1 und 2 

V1.0.9.0, 11. March 2010

- bugfix: dblw_bolzen.exe - bolt status and shear supplementary reinforcement ETA (safety factor)

V1.0.8.0, 29. December 2009

- Minor changes in report
- bugfix: dblw_bolzen.exe - Blowout

V1.0.7.0, 30. September 2009

- Russian language added
- Scope-check "dominating compression" added 
- Minor changes in report
- bugfix: dblw_bolzen.exe - Blowout in special case "...>= 3 edges..."

V1.0.6.0, 02. June 2009

- Partial safety factors in DB (new approval) changed
- Changes in report: version number of program added

V1.0.5.0, 06. February 2009

- New approval implemented
- bugfix: dblw_bolzen.exe - Interaction with supplementary reinforcement
- bugfix: Profile eccentricity
- Changes in report: approval, basic values representation V_Rk,c^0 and N_Rk,c^0

V1.0.4.0, 03. October 2008

- bugfix: dblw_bolzen.exe - torsion due to eccentric shear load

V1.0.3.0, 02. September 2008

- bugfix: dblw_bolzen.exe - inconsistency for concrete edge failure and supplemental reinforcement under torsion solved

V1.0.2.0, 20. May 2008

- bugfix: dblw_bolzen.exe - inconsistency for concrete edge failure single status - total status solved
- bugfix: baseplate design

V1.0.1.0, 23. January 2008

- bugfix: parser/no. of loadcases - variable compression load
- bugfix: input-format of loads/moments
- extensions due to baseplate and member geometry influence on h_ef - GUI and report
