Stefan Teleman wrote: > > > Joseph Kowalski wrote: > >> As I recall, I thought we were supporting this multiple versions of >> "Apache, MySQL, PHP" at the level they assert to be compatible. >>> Considering the fact that Trolltech is orders of magnitude better at >>> maintaining compatibility than either of those above. >> That's good to hear, but that doesn't address the question. The >> question is "Does Trolltech respect upwards compatibility below the >> Major release level (ie: QT3 -> QT4)?". If the answer is "yes", then >> Whoopie! If the answer is "no", we need to look further into this. > > Official answer to this question from Trolltech: > > <QUOTE> > I checked with Qt support experts here in Redwood City and they > confirmed that Qt4.x is forward binary compatible with previous > versions, i.e. a program written for Qt4.2 will run with no problem on > subsequent Qt4.2+n releases. (f.ex. Qt4.3 and Qt4.4). However, a Qt4.4 > program will not necessarily automatically runs on Qt4.3 or Qt4.2, > especially if the new program takes advantage of newer functionality of > a later release. > > The compatibility is at major release level, i.e. 4.x and so all > sub-releases like 4.x.y are compatible as well, obviously. > </QUOTE> > > --Stefan > Thanks!
- jek3
