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feat(bundler-plugins): Enable hidden source maps and remove them after upload in the Vite plugin - #25646

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feat/bundler-plugins-delete-sourcemaps-rollupfrom
feat/bundler-plugins-delete-sourcemaps-vite
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timfish wants to merge 1 commit into
feat/bundler-plugins-delete-sourcemaps-rollupfrom
feat/bundler-plugins-delete-sourcemaps-vite

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@timfish

@timfish timfish commented Oct 22, 2026 •

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Part of the stack for #25609. Vite warns about rollupOptions.output.sourcemap, so the Vite plugin decides on build.sourcemap in its config hook and maps the decision onto each environment's output directory in configResolved, including directories set through rollupOptions.output.dir. A later plugin that turns source maps off again disables the deletion for that environment.

The post plugin that restores debug IDs for disable-upload builds is now always present and also stages the source maps, after Vite's import analysis has regenerated them. The new tests build with Vite, so vite becomes a dev dependency of the package.

@timfish
timfish added this pull request to stack #25649 October 22, 2026 10:47
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github-actions Bot commented Oct 22, 2026 •

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size-limit report 📦

Compared: 16f4f87 (PR test merge using develop at 28bf768)

Against: e17a480 (develop) · base run #63967

⚠️ Baseline mismatch: 4 develop commit(s) in the PR build are missing from the baseline. Their size changes also affect this comparison. Compare commits. Re-run once develop's baseline build for 28bf768 finishes.

Path Size % Change Change
@sentry/browser 30.34 kB - -
@sentry/browser - with treeshaking flags 28.46 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 28.35 kB - -
@sentry/browser (incl. Tracing) 52.61 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.62 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.54 kB - -
@sentry/browser (incl. Tracing, Replay) 92.81 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.43 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.54 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.52 kB - -
@sentry/browser (incl. Feedback) 47.9 kB - -
@sentry/browser (incl. sendFeedback) 35.41 kB - -
@sentry/browser (incl. FeedbackAsync) 40.52 kB - -
@sentry/browser (incl. Metrics) 31.35 kB - -
@sentry/browser (incl. Logs) 31.63 kB - -
@sentry/browser (incl. Metrics & Logs) 32.31 kB - -
@sentry/react 32.16 kB - -
@sentry/react (incl. Tracing) 54.89 kB - -
@sentry/vue 38.61 kB - -
@sentry/vue (incl. Tracing) 55.5 kB - -
@sentry/svelte 30.37 kB - -
@sentry/remix (Remix 3 client bundle) 57.65 kB - -
CDN Bundle 32.07 kB - -
CDN Bundle (incl. Tracing) 53.1 kB - -
CDN Bundle (incl. Logs, Metrics) 34.27 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.05 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.69 kB - -
CDN Bundle (incl. Tracing, Replay) 91.23 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.17 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 97.36 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 99.34 kB - -
CDN Bundle - uncompressed 94.31 kB - -
CDN Bundle (incl. Tracing) - uncompressed 157.3 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 100.86 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.27 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 232.36 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 278.93 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 284.88 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 292.63 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 298.58 kB - -
@sentry/nextjs (client) 57.75 kB - -
@sentry/sveltekit (client) 53.06 kB - -
@sentry/core/server 44.29 kB - -
@sentry/core/browser 13.95 kB - -
@sentry/node 155 kB +0.01% +9 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 81.62 kB - -
@sentry/node - without tracing 95.72 kB +0.01% +8 B 🔺
@sentry/node - without channel injection 135.61 kB +0.01% +7 B 🔺
@sentry/aws-serverless 103.89 kB +0.01% +8 B 🔺
@sentry/cloudflare (withSentry) - minified 197.89 kB - -
@sentry/cloudflare (withSentry) 491.82 kB - -
@sentry/nextjs/cloudflare (withSentry) - minified 218.47 kB - -

View base workflow run

@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from ac0df2a to 6546bd8 Compare October 22, 2026 10:57
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Optional E2E tests

Some optional checks were not successful. They do not block the merge. 4 not successful, 63 successful. See the run.

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@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from 6546bd8 to 30717e0 Compare October 22, 2026 11:49
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from 30717e0 to f2ee9aa Compare October 27, 2026 16:25
@timfish
timfish marked this pull request as ready for review October 27, 2026 18:01
@timfish
timfish requested a review from a team as a code owner October 27, 2026 18:01
@timfish
timfish requested review from chargome and nicohrubec and removed request for a team October 27, 2026 18:01

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Cursor Bugbot has reviewed your changes and found 2 potential issues.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit f2ee9aa. Configure here.

Comment thread packages/bundler-plugins/src/vite/source-map-hooks.ts Outdated
);
decisions.set('*', decision);

const result: ViteUserConfig = decision.enableHidden ? { build: { sourcemap: 'hidden' } } : {};

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Silent sourcemap default change undocumented

Low Severity

Direct sentryVitePlugin() users who never set build.sourcemap now get hidden source maps enabled and removed after upload. That is a silent default change for existing apps, and this commit has no changelog or migration note. Flagged because the review rules require migration notes for silent default changes that affect existing apps.

Fix in Cursor Fix in Web

Triggered by project rule: PR Review Guidelines for Cursor Bot

Reviewed by Cursor Bugbot for commit f2ee9aa. Configure here.

@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from f2ee9aa to 9d1b219 Compare October 28, 2026 12:15
@timfish
timfish requested review from a team as code owners October 28, 2026 12:15
@timfish
timfish requested review from isaacs, logaretm, msonnb and mydea and removed request for a team October 28, 2026 12:15
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from 9d1b219 to 4f7189e Compare October 28, 2026 12:24
@timfish timfish closed this Oct 28, 2026
@timfish timfish reopened this Oct 28, 2026
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from 4f7189e to 8469e6d Compare October 28, 2026 12:54
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from 8469e6d to e73716d Compare October 28, 2026 13:04
…r upload in the Vite plugin

The Vite plugin decides on `build.sourcemap` in its `config` hook,
because Vite warns about `rollupOptions.output.sourcemap`, and maps
the decision onto each environment's output directory in
`configResolved`. The post plugin that restores debug IDs for
`disable-upload` builds is now always present and also stages the
source maps for upload.
@timfish
timfish force-pushed the feat/bundler-plugins-delete-sourcemaps-vite branch from e73716d to a0b6719 Compare October 28, 2026 14:49

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