Good practices for iOS releases

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                                Good practices for iOS releases @adhumi, Bonsaï, Paris Trainline Engineering Summit, June 2017

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Release

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? Release

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Release early, release often →

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Release early, release often → Painless releases → Test your release → Take care of it → Market it →

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                                Release early, release often

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time based Release cycles are usually feature based or

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Feature based Group features in a single release – Unified set of features – Unknown frequency – Delay risks

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Time based Calendar schedule Frequency depends on your needs – Expected by all parties – Set schedules – Pushes iterative development – Risk of too much/little time – Risk of too much/little features

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No content

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Release Train

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vn vn+1

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A vn vn+1

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A B vn vn+1

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A B C vn vn+1

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A B C D vn vn+1

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D vn vn+1 A B C

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D vn vn+1 A B C

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D E vn vn+1 A B C

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D E F vn vn+1 A B C

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G D E F vn vn+1 A B C

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G vn vn+1 A B C D E F

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⏰?

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Week1 vn

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Week1 Week2 Weekn-1 vn

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Week1 Week2 Weekn-1 Feature freeze,  beta release, QA vn

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Week1 Week2 Weekn Weekn-1 vn

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Week1 Week2 Weekn Weekn-1 Submission vn

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Week1 Week2 Weekn Weekn+1 Weekn-1 Public release vn

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Week1 Week2 Weekn Weekn+1 Weekn-1 Feature freeze,  beta release, QA Submission Public release vn

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Week1 Week2 Weekn Weekn+1 Weekn-1 vn Week1 Week2 vn+1

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Weekn Weekn+1 Week1 Week2 Weekn Weekn+1 Weekn-1 vn+1 Week1 Week2 vn+2

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Weekn Weekn+1 Week1 Week2 Weekn Weekn+1 Weekn-1 vn+2 Week1 Week2 vn+3

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Kickoff Developm ent QA, beta test & polishing Subm ission Public release w1 w1 → wn-1 wn wn wn+1

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                                Painless releases

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Classical release process Code

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Classical release process Code

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Classical release process Code Archive

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Classical release process Code Archive

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Classical release process Code Archive Binary

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Classical release process Code Archive Binary

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Classical release process Code Archive Binary iTunes Connect

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Classical release process All assets (promotional screenshots and texts) uploaded manually

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Classical release process All assets (promotional screenshots and texts) uploaded manually 5 images 5 languages 6 devices → 150 screenshots Title Description Release notes… → ×5 languages

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Classical release process All assets (promotional screenshots and texts) uploaded manually Clic. clic. 5 images 5 languages 6 devices → 150 screenshots Title Description Release notes… → ×5 languages + tons of copy paste

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Classical release process ❌ Nope

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Script all the things!

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Script all the things! fastlane → Everything needed exists hidden with Xcode → Fastlane is good, if you like sugar

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Code Archive Binary iTunes Connect

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Code Archive Binary iTunes Connect $ ./archive_and_upload

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Script all the things! Screenshots Title Description Icons Metadatas Release notes

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Script all the things! Screenshots Title Description Icons Metadatas Release notes ← Autogenerated

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$ iTMSTransporter upload Script all the things!

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Continuous deployment?

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Deploy Deploy Deploy Continuous deployment? Internal only

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                                Test your release

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Extensive QA validation before release ✅

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Beta-test → Real life usages → Real trains → Real travels → Real travelers

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Beta-test Diversity of beta-testers → Frequent and occasional travelers → Various countries → Various languages → Disabilities

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Beta-test Build a community

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                                Market your release

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Communicate with Apple

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Thursday

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                               

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                                Thanks! @adhumi, Bonsaï, Paris