On 14/11/13 01:37, Tyro[17] wrote:
Major releases (2.0)
     The big ones, every six months, intended to ship in distributions and to be
used by stability-oriented users.

Release Candidates (2.065rc1)
     Created one to two weeks before the release branch is created, this is a
preview of the major release. There should be very few, if any changes from the
release candidate to the major release.
Bugfix releases (2.064.1)
     Based on the previous major release or bugfix; contains only bugfixes and
perhaps documentation corrections.

Beta release (2.065beta1)
     Created monthly from master, except for those months in which we create a
major release. Stable and suitable for users who want the latest code and can
live with changes from month to month.

Your thoughts and concerns please.

** 1 **
It might be a good idea to consider this from an alternate angle -- different user needs. You can probably divide these into three groups:

    (1) I want stability above all, no updates, only bugfixes.

    (2) I want to receive new non-breaking functionality as well as bugfixes.

    (3) I want bleeding-edge everything, I can cope with backwards-incompatible
        changes.

It's not clear to me how (2) is addressed in your proposal. What guarantees are made about the beta releases and backwards compatibility? Can we assume that with beta releases breaking changes are always a possibility?

I imagine it may be difficult to separate out breaking and non-breaking new functionality in DMD development, so I can understand if you just want to support (1) and (3).


** 2 **
Is this proposal for DMD only, or does it include druntime and Phobos? Either way there needs to be some consideration that druntime and Phobos need different approaches from DMD itself. For Phobos in particular there seems to me to be much more short-term need for new functionality which does _not_ include breaking changes.


** 3 **
What's the plan for interacting with downstreams (GDC, LDC and potentially others)? A 1-month beta turnaround may be too fast for them to do the work of integrating new releases; 6 months is an awfully long time to wait for updates.

Speaking as one who relies on the speed of the executables they produce, I would be quite upset if I had to wait 6 months for Phobos updates with these compilers -- it's already been frustrating enough as it is having to wait 3+ months for them to get Phobos bugfixes that I've provided.

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