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Support for Offline Apps
Stage Development
Status `
Release target `
Health OK
Status note Many of these are in progress, some still need to be staffed or scoped.


Product manager Chris Blizzard
Directly Responsible Individual Jonas Sicking / Johnny Stenback
Lead engineer `
Security lead `
Privacy lead `
Localization lead `
Accessibility lead `
QA lead `
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks


Stage 1: Definition

1. Feature overview

This is actually a collection of bugs that we need to fix in order to effectively support a class of offline applications.

2. Users & use cases

We want to enable a developer to write an application that can:

1. Be used on airplanes. That is, the entire application is cached and can be used.

2. To be able to store and process large amounts of data. This includes both data that's the size of smallish jason blobs (measured in kilobytes) but also large images or even videos (megabytes.)

3. To give users decent feedback about progress and important state changes. This means guidance on app changes (when it's updated), excellent responsiveness and startup time.

4. To be able to use the network when required, with decent fallback.

3. Dependencies


4. Requirements




Stage 2: Design

5. Functional specification


6. User experience design


Stage 3: Planning

7. Implementation plan

Must-have bugs:

Waiting on specs from Jonas & Robert:

  • Need an API for querying permission to make a Database
  • Need an API for revoking permission to make a Database (shared computer use case.)
  • Jonas will be working on a testing plan to test IndexedDB performance with Clint.

Nice-to-have bugs:

8. Reviews

Security review


Privacy review


Localization review




Quality Assurance review


Operations review


Stage 4: Development

9. Implementation


Stage 5: Release

10. Landing criteria


Feature details

Priority P1
Rank 999
Theme / Goal Experience
Roadmap Platform
Secondary roadmap `
Feature list `
Project `
Engineering team DOM

Team status notes

  status notes
Products ` `
Engineering ` `
Security ` `
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance ` `
User experience ` `
Product marketing ` `
Operations ` `