I currently use 2.18 to work around some bugs in 3.0, and it is possible even with the difference in project file formats as there is enough compatibility. Although lately the CRS translation has been broken when opening a 3.0 project in 2.18 and I have been told there is no guaranteed backwards compatibility.

Personally I would advocate for engineering a little bit of backporting into 2.18 to allow it to recognise the CRS from the project file which is currently challenging, as it seems to be able to recognise everything else well enough to be able to view a map on opening the project file and I have done this many times while running the development masters on my live maps during the past year or so.

The main thing that is not translated is layer styles and whilst this is a big part at the moment I can work around that well enough to not make a big issue out of that which would probably be a much more significant effort to backport.

As it stands, 2.18 will be maintained as the last version LTR for many years yet until 3.2 is released and we haven't even got to 3.0 yet. In fact I do have some doubt that the 3.0 release date is going to be met (but of course I have no real insight into the process so it is just an informed opinion at best)


On 05/12/17 05:06, Larry Shaffer wrote:
Hi,

On Mon, Dec 4, 2017 at 2:00 AM, Richard Duivenvoorde <rdmaili...@duif.net <mailto:rdmaili...@duif.net>> wrote:

    On 04-12-17 01:01, Nathan Woodrow wrote:
    > Hey all,
    >
    > Just wanted to see how everyone would feel if I was thinking about
    > backporting the crash handler we have in QGIS 3 back into 2.18.


+ 1 from me.

    I think it is a good idea...

    As you say, 2.18 will be here for some time (especially for
    educational
    and governmental institutions probably, all running windows).


This is certainly true and a clear justification for the backport. Those enterprises may keep using QGIS 2.18, possibly up to a year from now (with respect to next LTR release and adoption), or longer. Horrifying to consider, but at least this crash handler will help.

    Indeed then people can at least report back something (as I think our
    normal stacktrace-sources: Linux devs, will probably move on to 3.x).

    While it looks like if we want to say that QGIS ever crashes on
    Windows,
    maybe name it Windows or Data Crash Handler  ;-) ....

    Needs to be tested thoroughly though, as it is a new 'feature' in
    LTR...
    Is it testable?

    Regards,

    Richard



Larry Shaffer
Dakota Cartography
Black Hills, South Dakota
----------------------------------
Boundless Desktop and QGIS Support/Development
Boundless Spatial - http://boundlessgeo.com
lshaf...@boundlessgeo.com <mailto:lshaf...@boundlessgeo.com>

On Mon, Dec 4, 2017 at 4:21 AM, Tom Chadwin <tom.chad...@nnpa.org.uk <mailto:tom.chad...@nnpa.org.uk>> wrote:

    A huge +1 from me - as a Windows user, it's frustrating not to be
    able to
    investigate the occasional times PyQGIS causes a Windows minidump.

    Tom



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