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[ZCash] Use v6 transaction format for orchard to transparent transactions

In a Release build Task Ironwood pool & migration

Lead item brave-browser#58167 · opened by cypt4 · last source update

This issue is open on GitHub. Fixes sometimes land through pull requests that do not link the issue (for example a later refactor); this tracker follows only explicit links (closing references, “Resolves” lines, brave_<issue> branch names, uplifts and the issue timeline).

Issue state

Open

Open. GitHub type: Task.

Implementation

  • brave-core#39114 closed without merge into master by cypt4
    [ZCash] Present v6 transaction serializer.
    Linked by: branch name brave_58167_2 (weaker evidence; titles share a keyword)
  • brave-core#39113 closed without merge into master by cypt4
    [ZCash] Refactor unshielding to use v6 transaction format.
    Linked by: branch name brave_58167_1 (weaker evidence; titles share a keyword)
  • brave-core#39107 closed without merge into master by cypt4
    [ZCash] Refactor unshielding to use v6 transaction format.
    Linked by: branch name brave_58167 (weaker evidence; titles share a keyword)
  • brave-core#39159 merged 2026-08-21 into master by cypt4
    [ZCash] Refactor unshielding to use v6 transaction format.
    Linked by: branch name brave_58167_4 (weaker evidence; titles share a keyword)

Release notes

No platform changelog lists this item.

Validation

No QA label.

No QA pass labels.

QA labels are Brave’s own validation records per OS. They are not independent verification by this tracker.

Target

No milestone set.

Platforms (OS labels): Desktop

Owner: cypt4 · PR authors: cypt4

Build presence

Whether a merged pull request in this group is an ancestor of the brave-core tag of each platform’s current build (from versions.brave.com). Code presence is not the same as a feature being exposed on that platform.

PlatformReleaseBetaNightly
DesktopIncluded 1.97.59in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.98.47in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.100.5in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)
AndroidIncluded 1.97.57in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.98.52in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.100.5in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)
iOSIncluded 1.96.62in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.99.44in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)Included 1.100.7in v1.96.61 (GitHub compare v1.96.61...9482d341: behind); later builds of the same history include it (brave-core#39159)

Members and their history

Issue

brave-browser#58167 [ZCash] Use v6 transaction format for orchard to transparent transactions

State: open · created · updated · discovered via search:zcash · matched title:zcash, title:orchard, body:unshielding

feature/web3/wallet OS/Desktop

Description This is required to support unshielding Steps to reproduce - Actual result - Expected result - Reproduces how often Easily reproduced Brave version (brave://version info) - Channel information - [ ] release (stable) - [ ] beta - [ ] nightly Reproducibility - [ ] with Brave Shields disabled - [ ] with Brave Rewards disabled - [ ] in the latest version of Chrome Miscellaneous information _No response_

Timeline (1 of 2 events)
  1. 2026-08-14 13:17 Label added OS/Desktop by cypt4
Pull request

brave-core#39114 [ZCash] Present v6 transaction serializer.

State: closed without merge · created · closed · updated · discovered via search:zcash is:pr · matched title:zcash

feature/web3/wallet feature/web3/wallet/core

Required for v6 transactions support - Resolves

Timeline (1 of 3 events)
  1. 2026-08-28 06:24 Closed by cypt4
Pull request

brave-core#39113 [ZCash] Refactor unshielding to use v6 transaction format.

State: closed without merge · created · closed · updated · discovered via search:orchard is:pr, search:zcash is:pr · matched title:zcash, title:unshielding, body:orchard

feature/web3/wallet feature/web3/wallet/core chromium-version-mismatch

This is required to support orchard to transparent transactions. - Resolves

Timeline (2 of 5 events)
  1. 2026-08-14 17:40 Referenced by brave-core#39115 by cypt4
  2. 2026-08-28 06:24 Closed by cypt4
Pull request

brave-core#39107 [ZCash] Refactor unshielding to use v6 transaction format.

State: closed without merge · created · closed · updated · discovered via search:orchard is:pr, search:zcash is:pr · matched title:zcash, title:unshielding, body:orchard

feature/web3/wallet feature/web3/wallet/core chromium-version-mismatch

This is required to support orchard to transparent transactions. - Resolves

Timeline (1 of 4 events)
  1. 2026-08-28 06:23 Closed by cypt4
Pull request

brave-core#39159 [ZCash] Refactor unshielding to use v6 transaction format.

State: merged 2026-08-21 · created · closed · updated · discovered via path:components/brave_wallet/browser/zcash, search:ironwood is:pr, search:orchard is:pr, search:zcash is:pr · matched title:zcash, title:unshielding, body:orchard

feature/web3/wallet feature/web3/wallet/core puLL-Merge

This is required to support orchard to transparent transactions. This PR wires v6 transactions to the OrchardToTransparent transaction flow creation. Follow up for https://github.com/brave/brave-core/pull/39115 Test plan : Validate orchard to transparent transactions are working. Resolves https://github.com/brave/brave-browser/issues/58264

Timeline (5 of 8 events)
  1. 2026-08-17 18:35 Referenced by brave-core#39115 by cypt4
  2. 2026-08-21 08:53 Merged master by cypt4
  3. 2026-08-21 08:53 Closed by cypt4
  4. 2026-08-21 08:54 Milestone set 1.96.x - Nightly by brave-builds
  5. 2026-08-21 21:43 Referenced by brave-browser#58264 by kdenhartog

Recorded changes

  1. PR merged Ironwood / migration

    Merged: [ZCash] Refactor unshielding to use v6 transaction format.

    Merged into brave-core master on 2026-08-21. Only builds cut from master after this merge (Nightly first) can contain it; whether a published build does is checked per build (see build presence on the item). Beta and Release get it only after a branch cut or an uplift.

    brave-core#39159
    Evidence
    • merged 2026-08-21T08:53:59Z
    • repository brave/brave-core
    • base branch master

    Source time: · Detected: · Backfilled from source history

    2026-08-21T08:53:59Z
  2. New issue

    New issue: [ZCash] Use v6 transaction format for orchard to transparent transactions

    Opened in brave-browser#58167. This is a report or request, not a confirmed change to Brave Wallet.

    brave-browser#58167
    Evidence
    • created 2026-08-14T13:17:32Z

    Source time: · Detected: · Backfilled from source history

    2026-08-14T13:17:32Z