Using new (separate) partitions, I have installed 11.0_x86 with KDE4 and KDE3.5. Stock installs. As far as I can tell, the 11.0 part of the release embodies continual improvements from 10.3. KDE4, however, is an unmitigated disaster.
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Most importantly, font display in both KDE 4 and 3.5 are horrible … fuzzy, reedy, worse than (say) Win98. Firefox3 is even worse, if that is possible. By comparison, my 10.3/3.5.9 production installation displays text on my Samsung 213T in Suse and Firefox2 as if it were printer on paper by a postscript lazer printer. Yes, I have done the freetype2 fixes that I did in 10.3, but these had little or no effect.
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While 11.0 boots a bit faster than 10.3 on my 3600x2, the overall desktop experience leads one to believe that 11.0 is a slug. Firefox3 is, of course, even worse and purely a slug on valium.
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The best (and perhaps only) benefit of 11.0 is package management. Having lived through 10.0 days up to 10.3, I have high regards for the openSuse developer efforts in this area.
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KDE4, however, earns only dismay and the phrase, “what were they thinking?”. A desktop where one cannot adjust the font size of the clock? Icons (which at 1024x768) are best described as “Titanic” in size, and non-resizable; some may be temporarily, but all aren’t? Useless sub-icons within the desktop icons that are a total waste of real estate, and whose functions and options in prior versions of KDE could be accomplished by a simple right-click?
A completely different desktop metaphor full of glitz and bling, but impractical for everyday productive use? A “peanut” in the upper-right corner that occupies valuable real estate, gets in the way of virtually every mouse action, and which could have been implemented cleaner by a simple right-click on the desktop? Is the lemming instinct to emulate useless (but blingful) functionality like in Windows Vista so strong that there is a well-worn path to the cliff?
A “new and improved” KDE control panel that is sure “new”, but retrogressive in scope of functionality compared to 3.5x? A "new and improved file manager (Dolphin) that crashes or hangs repeatedly, while rendering the Konquerer file manager incapable of retaining settings (i.e., “save view profile” doesn’t work)? Missing mouse clicks, particularly in an expanded (second layer) menu situation? No way to change the desktop resolution to (say) 1024x768 from the monitor’s native 1600x1200, despite specifying the lower resolution at (non-automatic install) setting time? And the KDE Display applet with 1024x768 as a presented drop-down option, but “apply” is grayed out? Wonderful.
A “KDEnetworkManager” that sits in the tray wasting space, and doesn’t even show when traffic is occurring, unlike Knemo. And if Knemo is installed, it disappears into the voids of KDE4, so that I still don’t have an icon in the tray to show network traffic.
So much for KDE4 and its wonderful new desktop metaphor. I have no doubt that KDE developers and volunteers worked long and hard on it. But until removal of this blight upon usability becomes a (working) option, I’ll leave KDE4 to to “widget kids” and other absorbers of the latest and greatest “bling factor”. Usability remains a key objective in my value system, and KDE4 just doesn’t cut it. Not even close. And as for reliability, this KDE 4.04/5 is alpha/beta quality at best. Stick with 3.5.9, folks, if you must upgrade to 11.0. As for me, I’m staying with 10.3 and 3.5.9 for (probably) a long time, because I don’t want to ruin my eyes with 11.0’s fonts and I expect it will take a long time, if ever, for KDE.org to come to its senses and provide a switch to turn off Plasma (or whatever this new and wonderful desktop metaphor is called).
And before everyone thrashes me for not posting these KDE4 observations over at KDE.org, I’d just like you to go over to the forums there and see (1) how little posting there is over there, because, (2) no one from KDE seems to answer or participate there.