have not found anything to be buggy yet.
well beside that this means nothing... some of the bugs are random.
here is a list of known issues:
■Fullscreen Mode does not show the next image in your selection. This occurs only when you have selected a series of images before entering Fullscreen mode.
■Video playback is not currently supported in Fullscreen mode.
■There is no error message informing that offline photos and videos are not exported to slideshows.
■The slide after a video clip is often not shown. This only occurs when using the Manual Slideshow feature.
■Custom slideshow templates will default to 480×270 on export. This only impacts custom slideshow templates created in previous versions of Lightroom.
■The slideshow appears as a black screen occasionally. This only occurs when a video file is chosen as the first slide.
■Star ratings cannot be applied while previewing or viewing a Slideshow.
■Deleting a book in the Book Module may occasionally cause another book to disappear.
■XMP metadata changes are not automatically written to file when the original file is offline.
■Canon cameras are not detected when using Tethered Capture in Windows 8. This only occurs on Windows 8.
■Offline photos go missing from Lightroom when moving folder of images to a different volume.
■GPS metadata on videos created on an Apple iPhone is not imported.
■Basic metadata is not imported with video files. This only occurs when imported directly from the camera. As a workaround, please copy the files from camera to your harddrive and then import into Lightroom.
■When utilizing the “Merge to HDR” feature with Photoshop, the resulting HDR image contains metadata from the last selected photo.
■Photos adjusted using Process Version 2003 incorrectly display a “Post Crop Vignette: Paint Overlay” History step. Selecting a subsequent History State can reset existing settings that follow that state in the History panel. This reset cannot be undone, effectively deleting any settings that have been applied after the selected History State. This only occurs with images adjusted in PV2003.
■Images exported at less than 1/3 of their original size may not retain Output Sharpening and Noise Reduction settings.
and that is only what they KNEW was broken in LR5.
no matter what you noticed in the 10 minutes you used LR
.. there are many bugs.
video for example is pretty useless. it´s completely asynchron for most of my videos.
the videos are perfectly fine but when i want to view them in LR they start fine and get more and more asynchron the longer they play. even freeware apps do this better.
the preview speed is improved. something i never had problems with but it behaved very stange and inconsistent for some.
but now many complain about very sluggish local adjustment tools.
give one.. take one...
printing seems to have issues with some printer who work fine in LR 4.4.