* [Bitcoin-development] Bitcoin core 0.11 planning
@ 2015-04-28 7:44 Wladimir J. van der Laan
2015-04-28 10:49 ` Peter Todd
2015-05-11 15:00 ` [Bitcoin-development] " Wladimir
0 siblings, 2 replies; 6+ messages in thread
From: Wladimir J. van der Laan @ 2015-04-28 7:44 UTC (permalink / raw)
To: bitcoin-development
Hello all,
The release window for 0.11 is nearing, I'd propose the following schedule:
2015-05-01 Soft translation string freeze
Open Transifex translations for 0.11
Finalize and close translation for 0.9
2015-05-15 Feature freeze, string freeze
2015-06-01 Split off 0.11 branch
Tag and release 0.11.0rc1
Start merging for 0.12 on master branch
2015-07-01 Release 0.11.0 final (aim)
In contrast to former releases, which were protracted for months, let's try to be more strict about the dates. Of course it is always possible for last-minute critical issues to interfere with the planning. The release will not be held up for features, though, and anything that will not make it to 0.11 will be postponed to next release scheduled for end of the year.
Wladimir
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bitcoin-development] Bitcoin core 0.11 planning
2015-04-28 7:44 [Bitcoin-development] Bitcoin core 0.11 planning Wladimir J. van der Laan
@ 2015-04-28 10:49 ` Peter Todd
2015-04-28 11:01 ` Pieter Wuille
2015-05-11 15:00 ` [Bitcoin-development] " Wladimir
1 sibling, 1 reply; 6+ messages in thread
From: Peter Todd @ 2015-04-28 10:49 UTC (permalink / raw)
To: Wladimir J. van der Laan, bitcoin-development
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Hash: SHA256
I'll point out that at this rate the soonest we'll see CHECKLOCKTIMEVERIFY implemented on Bitcoin will be something like summer 2016, a year and a half after it got adopted on Viacoin. (and a few other alts whose names I forget)
Right now the shortest path to adoption would be to release a v0.12 with just a CLTV soft-fork as soon as the BIP66 softfork triggers. While there's been proposal to change the way the upgrade mechanism triggers to a multiple parallel fork scheme, that is quite complex, stateful, and will need lots of review, probably a few months worth; faster would be to continue with the existing mechanism.
IMO the main reason to accelerate CLTV is scalability. The only viable scalability improvements possible in the short/medium term that don't entirely rely on trusting third parties are payment channel based. While we have a working payment channel scheme - Jeremy Spilman's refund tx based system - it is fairly complex, needs good and immediate backups, and is susceptible to tx malleability. CLTV fixes those issues robustly. Of course, payment channel schemes can start off with Spilman's scheme first and go to CLTV later, but that is a lot of extra code to be written and later depreciated - I'm sure many authors are dubious about going down that path.
Thoughts?
On 28 April 2015 03:44:16 GMT-04:00, "Wladimir J. van der Laan" <laanwj@gmail•com> wrote:
>Hello all,
>
>The release window for 0.11 is nearing, I'd propose the following
>schedule:
>
>2015-05-01 Soft translation string freeze
> Open Transifex translations for 0.11
> Finalize and close translation for 0.9
>
>2015-05-15 Feature freeze, string freeze
>
>2015-06-01 Split off 0.11 branch
> Tag and release 0.11.0rc1
> Start merging for 0.12 on master branch
>
>2015-07-01 Release 0.11.0 final (aim)
>
>In contrast to former releases, which were protracted for months, let's
>try to be more strict about the dates. Of course it is always possible
>for last-minute critical issues to interfere with the planning. The
>release will not be held up for features, though, and anything that
>will not make it to 0.11 will be postponed to next release scheduled
>for end of the year.
>
>Wladimir
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bitcoin-development] Bitcoin core 0.11 planning
2015-04-28 10:49 ` Peter Todd
@ 2015-04-28 11:01 ` Pieter Wuille
2015-04-28 13:42 ` Peter Todd
[not found] ` <CA+s+GJBeZkWSKn4igC1ksynoQLfUpUtHBesq9MPi6yRqZZr4Gw@mail.gmail.com>
0 siblings, 2 replies; 6+ messages in thread
From: Pieter Wuille @ 2015-04-28 11:01 UTC (permalink / raw)
To: Peter Todd; +Cc: Bitcoin Dev
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As softforks almost certainly require backports to older releases and other
software anyway, I don't think they should necessarily be bound to Bitcoin
Core major releases. If they don't require large code changes, we can
easily do them in minor releases too.
On Apr 28, 2015 12:51 PM, "Peter Todd" <pete@petertodd•org> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> I'll point out that at this rate the soonest we'll see CHECKLOCKTIMEVERIFY
> implemented on Bitcoin will be something like summer 2016, a year and a
> half after it got adopted on Viacoin. (and a few other alts whose names I
> forget)
>
> Right now the shortest path to adoption would be to release a v0.12 with
> just a CLTV soft-fork as soon as the BIP66 softfork triggers. While there's
> been proposal to change the way the upgrade mechanism triggers to a
> multiple parallel fork scheme, that is quite complex, stateful, and will
> need lots of review, probably a few months worth; faster would be to
> continue with the existing mechanism.
>
> IMO the main reason to accelerate CLTV is scalability. The only viable
> scalability improvements possible in the short/medium term that don't
> entirely rely on trusting third parties are payment channel based. While we
> have a working payment channel scheme - Jeremy Spilman's refund tx based
> system - it is fairly complex, needs good and immediate backups, and is
> susceptible to tx malleability. CLTV fixes those issues robustly. Of
> course, payment channel schemes can start off with Spilman's scheme first
> and go to CLTV later, but that is a lot of extra code to be written and
> later depreciated - I'm sure many authors are dubious about going down that
> path.
>
> Thoughts?
>
>
> On 28 April 2015 03:44:16 GMT-04:00, "Wladimir J. van der Laan" <
> laanwj@gmail•com> wrote:
> >Hello all,
> >
> >The release window for 0.11 is nearing, I'd propose the following
> >schedule:
> >
> >2015-05-01 Soft translation string freeze
> > Open Transifex translations for 0.11
> > Finalize and close translation for 0.9
> >
> >2015-05-15 Feature freeze, string freeze
> >
> >2015-06-01 Split off 0.11 branch
> > Tag and release 0.11.0rc1
> > Start merging for 0.12 on master branch
> >
> >2015-07-01 Release 0.11.0 final (aim)
> >
> >In contrast to former releases, which were protracted for months, let's
> >try to be more strict about the dates. Of course it is always possible
> >for last-minute critical issues to interfere with the planning. The
> >release will not be held up for features, though, and anything that
> >will not make it to 0.11 will be postponed to next release scheduled
> >for end of the year.
> >
> >Wladimir
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>
>
>
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^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bitcoin-development] Bitcoin core 0.11 planning
2015-04-28 11:01 ` Pieter Wuille
@ 2015-04-28 13:42 ` Peter Todd
[not found] ` <CA+s+GJBeZkWSKn4igC1ksynoQLfUpUtHBesq9MPi6yRqZZr4Gw@mail.gmail.com>
1 sibling, 0 replies; 6+ messages in thread
From: Peter Todd @ 2015-04-28 13:42 UTC (permalink / raw)
To: Pieter Wuille; +Cc: Bitcoin Dev
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On Tue, Apr 28, 2015 at 04:01:00AM -0700, Pieter Wuille wrote:
> As softforks almost certainly require backports to older releases and other
> software anyway, I don't think they should necessarily be bound to Bitcoin
> Core major releases. If they don't require large code changes, we can
> easily do them in minor releases too.
The code changes for absolute CLTV are quite small, and easily ported to
any Bitcoin Core version.
What's the oldest version you think we need backports for?
--
'peter'[:-1]@petertodd.org
00000000000000000e7980aab9c096c46e7f34c43a661c5cb2ea71525ebb8af7
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bitcoin-development] Fwd: Bitcoin core 0.11 planning
[not found] ` <CA+s+GJBeZkWSKn4igC1ksynoQLfUpUtHBesq9MPi6yRqZZr4Gw@mail.gmail.com>
@ 2015-05-11 14:49 ` Wladimir
0 siblings, 0 replies; 6+ messages in thread
From: Wladimir @ 2015-05-11 14:49 UTC (permalink / raw)
To: Bitcoin Dev
On Tue, Apr 28, 2015 at 11:01 AM, Pieter Wuille <pieter.wuille@gmail•com> wrote:
> As softforks almost certainly require backports to older releases and other
> software anyway, I don't think they should necessarily be bound to Bitcoin
> Core major releases. If they don't require large code changes, we can easily
> do them in minor releases too.
Agree here - there is no need to time consensus changes with a major
release, as they need to be ported back to older releases anyhow.
(I don't really classify them as software features, but properties of
the underlying system that we need to adopt to)
Wladimir
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [Bitcoin-development] Bitcoin core 0.11 planning
2015-04-28 7:44 [Bitcoin-development] Bitcoin core 0.11 planning Wladimir J. van der Laan
2015-04-28 10:49 ` Peter Todd
@ 2015-05-11 15:00 ` Wladimir
1 sibling, 0 replies; 6+ messages in thread
From: Wladimir @ 2015-05-11 15:00 UTC (permalink / raw)
To: Bitcoin Dev
A reminder - feature freeze and string freeze is coming up this Friday the 15th.
Let me know if your pull request is ready to be merged before then,
Wladimir
On Tue, Apr 28, 2015 at 7:44 AM, Wladimir J. van der Laan
<laanwj@gmail•com> wrote:
> Hello all,
>
> The release window for 0.11 is nearing, I'd propose the following schedule:
>
> 2015-05-01 Soft translation string freeze
> Open Transifex translations for 0.11
> Finalize and close translation for 0.9
>
> 2015-05-15 Feature freeze, string freeze
>
> 2015-06-01 Split off 0.11 branch
> Tag and release 0.11.0rc1
> Start merging for 0.12 on master branch
>
> 2015-07-01 Release 0.11.0 final (aim)
>
> In contrast to former releases, which were protracted for months, let's try to be more strict about the dates. Of course it is always possible for last-minute critical issues to interfere with the planning. The release will not be held up for features, though, and anything that will not make it to 0.11 will be postponed to next release scheduled for end of the year.
>
> Wladimir
^ permalink raw reply [flat|nested] 6+ messages in thread
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2015-04-28 7:44 [Bitcoin-development] Bitcoin core 0.11 planning Wladimir J. van der Laan
2015-04-28 10:49 ` Peter Todd
2015-04-28 11:01 ` Pieter Wuille
2015-04-28 13:42 ` Peter Todd
[not found] ` <CA+s+GJBeZkWSKn4igC1ksynoQLfUpUtHBesq9MPi6yRqZZr4Gw@mail.gmail.com>
2015-05-11 14:49 ` [Bitcoin-development] Fwd: " Wladimir
2015-05-11 15:00 ` [Bitcoin-development] " Wladimir
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