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alchemist

0.14.0354K downloads/moBetterment/alchemist ↗New releases in your daily digest, changelog included.

A support package that aims to make golden testing in Flutter easier and more streamlined.

Last release 6 months ago
13 Mar 2026
Release timing varies
gaps range from 1 weeks to 12 months
Nearly every release is documented
notes for 21 of 21 stable releases
Nothing withdrawn
no release was ever pulled
5 years old
22 releases · first in 2022

Release timeline

22 releases since 2022

20222023202420252026

20222026

One column per quarter.

Releases

0.14.013 Mar 2026
fix: loading fonts performance issue by @gustavobelo-dev in #170
What's Changed

fix: loading fonts performance issue by @gustavobelo-dev in #170

chore: Update CODEOWNERS to remove a samandmoore by @samandmoore in #173

feat: Support diffThreshold to handle comparison failures that depend on the image generation environment by @mataku in #176

chore: prep v0.14.0 by @btrautmann in #178

New Contributors

@gustavobelo-dev made their first contribution in #170

@mataku made their first contribution in #176

Full Changelog: v0.13.0...v0.14.0
Open source →

fix: loading fonts performance issue by @gustavobelo-dev in https://github.com/Betterment/alchemist/pull/170
chore: Update CODEOWNERS to remove a samandmoore by @samandmoore in https://github.com/Betterment/alchemist/pull/173
feat: Support diffThreshold to handle comparison failures that depend on the image generation environment by @mataku in https://github.com/Betterment/alchemist/pull/176

New Contributors

@gustavobelo-dev made their first contribution in https://github.com/Betterment/alchemist/pull/170
@mataku made their first contribution in https://github.com/Betterment/alchemist/pull/176

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.13.0...v0.14.0

0.13.014 Oct 2025

ci: use mobile messaging app for Slack notifs by @btrautmann in #158

What's Changed

ci: use mobile messaging app for Slack notifs by @btrautmann in #158
chore: use git commit instead of git-auto-commit action by @btrautmann in #163
fix: push changes in update goldens workflow by @btrautmann in #166
fix: Anti-aliasing cross-platform issue by @w3ggy in #165
chore: ensure tests are compatible with all supported Flutter versions (and beta) by @btrautmann in #167
chore: prep v0.13.0 by @btrautmann in #168

⚠️ Breaking Changes

#165 disabled anti-aliasing on BlockedTextPaintingContext which may change goldens output.

New Contributors

@w3ggy made their first contribution in #165

Full Changelog: v0.12.1...v0.13.0

Open source →

Additional notes

ci: use mobile messaging app for Slack notifs by @btrautmann in https://github.com/Betterment/alchemist/pull/158
chore: use git commit instead of git-auto-commit action by @btrautmann in https://github.com/Betterment/alchemist/pull/163
fix: push changes in update goldens workflow by @btrautmann in https://github.com/Betterment/alchemist/pull/166
fix: Anti-aliasing cross-platform issue by @w3ggy in https://github.com/Betterment/alchemist/pull/165
chore: ensure tests are compatible with all supported Flutter versions (and beta) by @btrautmann in https://github.com/Betterment/alchemist/pull/167

:warning: Breaking Changes

https://github.com/Betterment/alchemist/pull/165 disabled anti-aliasing on BlockedTextPaintingContext which may change goldens output.

New Contributors

@w3ggy made their first contribution in https://github.com/Betterment/alchemist/pull/165

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.12.1...v0.13.0

Open source →

0.12.12 Jun 2025

fix: Fix memory leaks by @ValentinVignal in #150

What's Changed

fix: Fix memory leaks by @ValentinVignal in #150
fix: fontVariations is missing by @FranRiadigos in #156
chore: prep 0.12.1 by @btrautmann in #157

New Contributors

@ValentinVignal made their first contribution in #150
@FranRiadigos made their first contribution in #156

Full Changelog: v0.12.0...v0.12.1

Open source →

Additional notes

fix: Fix memory leaks by @ValentinVignal in https://github.com/Betterment/alchemist/pull/150
fix: fontVariations is missing by @FranRiadigos in https://github.com/Betterment/alchemist/pull/156

New Contributors

@ValentinVignal made their first contribution in https://github.com/Betterment/alchemist/pull/150
@FranRiadigos made their first contribution in https://github.com/Betterment/alchemist/pull/156

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.12.0...v0.12.1

Open source →

0.12.022 May 2025

chore: updates for building against flutter 3.29 by @btrautmann in #145

What's Changed

chore: updates for building against flutter 3.29 by @btrautmann in #145
ci: add branch-switching for beta channel by @btrautmann in #146
chore: bump min flutter version to 3.32.0 by @btrautmann in #153
chore: prep 0.12.0 by @btrautmann in #155

Full Changelog: v0.11.0...v0.12.0

Open source →

Additional notes

chore: updates for building against flutter 3.29 by @btrautmann in https://github.com/Betterment/alchemist/pull/145
ci: add branch-switching for beta channel by @btrautmann in https://github.com/Betterment/alchemist/pull/146
chore: bump min flutter version to 3.32.0 by @btrautmann in https://github.com/Betterment/alchemist/pull/153

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.11.0...v0.12.0

Open source →

0.11.015 Nov 2024

fix!: use textScaler instead of a double by @vanlooverenkoen in #131

What's Changed

fix!: use textScaler instead of a double by @vanlooverenkoen in #131
feat!: Added nameTextStyle by @vanlooverenkoen in #132
fix: added configurable padding by @vanlooverenkoen in #133

⚠️ Breaking Changes

#131 and #132 change the APIs of GoldenTestScenario.withTextScaleFactor and GoldenTestTheme respectively. If you are using these APIs, you will need to update your code to match the new API.

New Contributors

@vanlooverenkoen made their first contribution in #131

Full Changelog: v0.10.0...v0.11.0

Open source →

Additional notes

fix!: use textScaler instead of a double by @vanlooverenkoen in https://github.com/Betterment/alchemist/pull/131
feat!: Added nameTextStyle by @vanlooverenkoen in https://github.com/Betterment/alchemist/pull/132
fix: added configurable padding by @vanlooverenkoen in https://github.com/Betterment/alchemist/pull/133

:warning: Breaking Changes

https://github.com/Betterment/alchemist/pull/131 and https://github.com/Betterment/alchemist/pull/132 change the APIs of GoldenTestScenario.withTextScaleFactor and GoldenTestTheme respectively. If you are using these APIs, you will need to update your code to match the new API.

New Contributors

@vanlooverenkoen made their first contribution in https://github.com/Betterment/alchemist/pull/131

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.10.0...v0.11.0

Open source →

0.10.018 Sept 2024

feat: break out smoke test goldens into directories based on flutter version by @btrautmann in #126

What's Changed

feat: break out smoke test goldens into directories based on flutter version by @btrautmann in #126
fix: Could not override GoldenTestTheme by @Brainyoo in #127
ci: channel compatibility workflow by @btrautmann in #123
chore: prep 0.10.0 release by @btrautmann in #128

⚠️ Breaking Changes

In #123 a Padding Widget was removed that impacted the outputted golden files. However, this Padding was made configurable in #133 so you can upgrade directly to 0.11.0 and set a Padding value of const EdgeInsets.all(8) to preserve the original padding value.

Full Changelog: v0.9.0...v0.10.0

Open source →

Additional notes

feat: break out smoke test goldens into directories based on flutter version by @btrautmann in https://github.com/Betterment/alchemist/pull/126
fix: Could not override GoldenTestTheme by @Brainyoo in https://github.com/Betterment/alchemist/pull/127
ci: channel compatibility workflow by @btrautmann in https://github.com/Betterment/alchemist/pull/123

:warning: Breaking Changes

In https://github.com/Betterment/alchemist/pull/123 a Padding Widget was removed that impacted the outputted golden files. However, this Padding was made configurable in https://github.com/Betterment/alchemist/pull/133 so you can upgrade directly to 0.11.0 and set a Padding value of const EdgeInsets.all(8) to preserve the original padding value.

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.9.0...v0.10.0

Open source →

0.9.016 Sept 2024

feat: GoldenTestTheme by @btrautmann in #124

What's Changed

feat: GoldenTestTheme by @btrautmann in #124
chore: prep 0.9.0 release by @btrautmann in #125

Full Changelog: v0.8.0...v0.9.0

Open source →

Additional notes

feat: GoldenTestTheme by @btrautmann in https://github.com/Betterment/alchemist/pull/124

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.8.0...v0.9.0

Open source →

0.8.012 Sept 2024

docs: fix readme relative link (Separate local & CI tests) by @FirentisTFW in #100

What's Changed

docs: fix readme relative link (Separate local & CI tests) by @FirentisTFW in #100
docs: fix a small typo under RECOMMENDED_SETUP_GUIDE.md by @pedromassango in #116
fix: loading fonts from other packages by @krispypen in #111
feat: allow updating goldens on CI by @btrautmann in #121
chore: bump flutter/dart min sdk constraints by @btrautmann in #118
chore: prep 0.8.0 release by @btrautmann in #122

New Contributors

@FirentisTFW made their first contribution in #100
@pedromassango made their first contribution in #116
@krispypen made their first contribution in #111

Full Changelog: v0.7.0...v0.8.0

Open source →

Additional notes

docs: fix readme relative link (Separate local & CI tests) by @FirentisTFW in https://github.com/Betterment/alchemist/pull/100
docs: fix a small typo under RECOMMENDED_SETUP_GUIDE.md by @pedromassango in https://github.com/Betterment/alchemist/pull/116
fix: loading fonts from other packages by @krispypen in https://github.com/Betterment/alchemist/pull/111
feat: allow updating goldens on CI by @btrautmann in https://github.com/Betterment/alchemist/pull/121
chore: bump flutter/dart min sdk constraints by @btrautmann in https://github.com/Betterment/alchemist/pull/118

New Contributors

@FirentisTFW made their first contribution in https://github.com/Betterment/alchemist/pull/100
@pedromassango made their first contribution in https://github.com/Betterment/alchemist/pull/116
@krispypen made their first contribution in https://github.com/Betterment/alchemist/pull/111

Full Changelog: https://github.com/Betterment/alchemist/compare/v0.7.0...v0.8.0

Open source →

0.6.125 May 2023

ci: fix flutter version on post-merge workflow by @Kirpal in #89

What's Changed

ci: fix flutter version on post-merge workflow by @Kirpal in #89
fix: Dialog and dropdown are no longer visible on the golden files (#79) by @Brainyoo in #91
chore: release prep for 0.6.1 by @btrautmann in #92

New Contributors

@Brainyoo made their first contribution in #91

Full Changelog: v0.6.0...v0.6.1

Open source →

Additional notes

fix: dialogs and dropdown menus not being displayed correctly

Open source →

0.4.020 Jul 2022

refactor: move constraints to golden test group and scenario

fix: add default localizations
refactor: move constraints to golden test group and scenario
ci: add workflow that will upload code coverage after a merge to main
refactor: move constraints to golden test group and scenario
fix: fix bug where localizations were not resolved correctly due to nested MaterialApps
feat: add improved example project
docs: update simulating gestures snippet
chore: upgrade to very_good_analysis 3.0.0
chore: upgrade to flutter 3.0.0
ci: fix the title of the semantic PR job

Open source →

0.3.325 Apr 2022

chore: upgrade flutter to 2.10.4

chore: upgrade flutter to 2.10.4
ci: use semantic-pull-request github action over semantic-pull-requests app
fix: use home instead of builder when pumpWidget in GoldenTestAdapter.pumpGoldenTest
chore: fix repo links in README
chore: update example to use builder

Open source →