One of the primary mechanisms for course correction is allowing the release plan to evolve in response to all kinds of feedback. It will take at least a couple of iterations for team velocity to settle down. Iterations will sometimes deliver less functionality than was planned for, and sometimes more. Features, architectural choices, design choices, or framework or technology choices might prove to be too risky or simply unworkable. The user interface might require revision. Staff might be lost or added.
Feature priorities might change. All of these factors will help us revise and refine the release plan continuously. When each new iteration plan is published, so should a revised release plan that reflects the new reality.
This can be critical for teams that have little or no agile experience. For a team without a good velocity metric, this might mean that only at the end of the second or third iteration has the velocity become stable and reliable. Some teams also schedule up to two iterations at project close for stabilization, system-wide integration and testing, bug fixing, and user documentation completion.
In an ideal agile project this would not be required, but in the real world it depends on the specific agile practices the team follows, the organizational structure, the overall complexity of the system, the non-code deliverables expected of the team, the complexity of system deployment, and similar factors.
IT Asset and Configuration Management
Do I really need to use releases and a release plan? Some teams can get by without agile planning at the release level. For example, an ASP may simply deliver software into production every iteration i. If, on the other hand, some level of visibility is required by management at the software release management level i. How big are releases? Releases typically range between 2 and 12 months. For longer releases, it may make sense to break it down into several sub-releases.
How many iterations are in a release? The number of iterations within a release is typically driven by the schedule. If a release is 6 months long, and iterations are 2 weeks, then 13 iterations should be scheduled for the release. Who participates in release planning? For smaller teams, it may make sense for the entire cross-functional team to participate for both input and accountability purposes.
For larger teams and organizations, a subset of the team may be selected or elected to represent the team. How long do release planning meetings last? Release planning meetings typically last between 4 and 8 hours. How much work is done in preparation for a release planning meeting?
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Generally, quite a bit of work has been done prior to a release planning meeting in terms of project approval, budgeting, vision, team identification, etc. With respect to functionality, the customer has likely spent time working with development to identify initial features, as well as potentially in breaking them down and providing initial, high-level estimates. Does the release plan change during the release? As more information is uncovered, functionality is delivered, more about the system is understood, business needs evolve, and priorities change, the overall make-up of the release will almost definitely change.
Although anticipated, the evolution of software release management over time will need to be communicated to all appropriate stakeholders. Overview Services Support Our Customers. Editions Blog Support Contact Us. Overview Feature Tour Integrations. Why VersionOne Contact Us.
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In conjunction with the various versioning schemes listed above, a system for denoting pre-release versions is generally used, as the program makes its way through the stages of the software release life cycle. Programs that are in an early stage are often called "alpha" software, after the first letter in the Greek alphabet. After they mature but are not yet ready for release, they may be called "beta" software, after the second letter in the Greek alphabet. Generally alpha software is tested by developers only, while beta software is distributed for community testing.
Some systems use numerical versions less than 1 such as 0.
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This is a common convention in open source software. So the alpha version of the 2. An alternative is to refer to pre-release versions as "release candidates", so that software packages which are soon to be released as a particular version may carry that version tag followed by "rc- ", indicating the number of the release candidate; when the final version is released, the "rc" tag is removed.
For example, Linux 2. After the minor version number in the Linux kernel is the release number, in ascending order; for example, Linux 2. Since the release of the 2. The same odd-even system is used by some other software with long release cycles, such as Node. Apple had their own twist on this habit during the era of the classic Mac OS. Unlike traditional version numbering where 1.
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Apple's classic Mac OS minor versions, on the other hand, rarely went beyond point When they did, they twice jumped straight to point-5, suggesting the release was "more significant". The complete sequence of classic Mac OS versions not including patches is: Mac OS X since renamed to macOS departed from this trend, in large part because "X" the Roman numeral for 10 is in the name of the product. As a result, all versions of OS X begin with the number The first major release of OS X was given the version number Instead, it was named version This number scheme continues above point, with Apple releasing macOS The free-software and open source communities tend to release software early and often.
Initial versions are numbers less than 1, with these 0. The developers of MAME do not intend to release a version 1. A relatively common practice is to make major jumps in version numbers for marketing reasons. Sometimes, as in the case of dBase II , a product is launched with a version number that implies that it is more mature than it is; but other times version numbers are increased to match those of competitors.
Microsoft Access jumped from version 2. Microsoft has also been the target of 'catch-up' versioning, with the Netscape browsers skipping version 5 to 6, in line with Microsoft's Internet Explorer , but also because the Mozilla application suite inherited version 5 in its user agent string during pre Another example of keeping up with competitors is when Slackware Linux jumped from version 4 to version 7 in Apple has a particular form of version number skipping, in that it has leveraged its use of the Roman numeral X in its marketing across multiple product lines.
Like with Mac OS X , the products were not upgrades to previous versions, but brand new programs, branded as QuickTime X and Final Cut Pro X , but unlike Apple's desktop operating systems, there were no major versions 8 or 9. As with OS X , however, minor releases are denoted using a third digit, rather than a second digit. Consequently, major releases for these programs also employ the second digit, as Apple does with OS X. Sun's Java has at times had a hybrid system, where the internal version number has always been 1. Sun also dropped the first digit for Solaris, where Solaris 2.
What is a Release Plan?
A similar jump took place with the Asterisk open-source PBX construction kit in the early s, whose project leads announced that the current version 1. This approach, panned by many because it breaks the semantic significance of the sections of the version number, has been adopted by an increasing number of vendors including Mozilla for Firefox. In the mids, the rapidly growing CMMS , Maximo, moved from Maximo Series 3 directly to Series 5, skipping Series 4 due to that number's perceived marketing difficulties in the Chinese market, where the number 4 is associated with "death" see tetraphobia.
This did not, however, stop Maximo Series 5 version 4. It should be noted the "Series" versioning has since been dropped, effectively resetting version numbers after Series 5 version 1. Version numbers are used in practical terms by the consumer, or client , to identify or compare their copy of the software product against another copy, such as the newest version released by the developer.
For the programmer or company, versioning is often used on a revision-by-revision basis, where individual parts of the software are compared and contrasted with newer or older revisions of those same parts, often in a collaborative version control system. In the 21st century, more programmers started to use a formalised version policy, such as the Semantic Versioning policy. Versioning is also a required practice to enable many schemes of patching and upgrading software, especially to automatically decide what and where to upgrade to. Version numbers allow people providing support to ascertain exactly which code a user is running, so that they can rule out bugs that have already been fixed as a cause of an issue, and the like.