Reflex Dev Files

Breaking Changes

• Lifespan tasks will now be passed an rx.App instance instead of a Starlette instance
• fix(app): pass Reflex app instance to lifespan task app parameter by @BABTUNA in https://github.com/reflex-dev/reflex/pull/6358

New Features

Persistent Frontend Dep Locking

Projects should commit the new reflex.lock directory which includes package.json and bun.lock. This helps avoid accidentally introducing upstream changes and helps protect against supply chain attacks.

• Respect root bun.lock during frontend installs by @GautamBytes in https://github.com/reflex-dev/reflex/pull/6289
• Move bun.lock under reflex.lock/bun.lock by @masenf in https://github.com/reflex-dev/reflex/pull/6475

reflex cloud deploy --gcp

• feat(hosting-cli): add reflex cloud gcp deploy for Cloud Run by @Kastier1 in https://github.com/reflex-dev/reflex/pull/6450

EmbedPlugin

With the EmbedPlugin, a Reflex frontend can now be mounted into an existing DOM element in a custom HTML page by simply including the entry point javascript.

• feat: support embedding Reflex apps into host pages via mount_target by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6462

frontend_compression_formats

The build process now produces .gz sidecar files during export and serves them to supported clients for reflex run --env prod.

• feat: pre-compress frontend assets at build time by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6497

Improvements

• fix(event): handle mixed rx.cond event/function returns in event lambdas by @BABTUNA in https://github.com/reflex-dev/reflex/pull/6354
• fix(app): normalize subpath imports to install base npm package by @BABTUNA in https://github.com/reflex-dev/reflex/pull/6380\
• Remove redundant lost-and-found warning log by @masenf in https://github.com/reflex-dev/reflex/pull/6527
• fix(state.js): drop deprecated unload listener, use pagehide (#6195) by @ChinmayShringi in https://github.com/reflex-dev/reflex/pull/6479

Bug Fixes

Compiler

• fix(memo): skip {children} hole substitution when wrapped component h… by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6466
• Allow overriding files with Plugins, just warn about it by @riebecj in https://github.com/reflex-dev/reflex/pull/6476
• [codex] Fix memoized component hook prop rendering by @Alek99 in https://github.com/reflex-dev/reflex/pull/6506
• [codex] fix foreach memo style cache by @Alek99 in https://github.com/reflex-dev/reflex/pull/6513
• fix: use python truthiness for compiled and/or Var operations by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6546

CLI

• fix(hosting-cli): exit deploy when --envfile requires missing python-dotenv by @BABTUNA in https://github.com/reflex-dev/reflex/pull/6414
• ENG-9522: Fix CLI: Lists projects as "Unknown" by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6530

Other Areas

• fix: Textarea enter_key_submit uses add_custom_code instead of _get_all_custom_code by @algojogacor in https://github.com/reflex-dev/reflex/pull/6485
• fix(component): compare field values in BaseComponent.eq by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6493
• fix: REFLEX_FRONTEND_PATH without leading slash duplicates path in logged URL by @qubydev in https://github.com/reflex-dev/reflex/pull/6364
• fix: make Markdown a MemoizationLeaf so Var children stay inlined by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6532
• Expose rx.Plugin hook contexts by @masenf in https://github.com/reflex-dev/reflex/pull/6537
• ENG-9553: prepend frontend_path to RouterData.url and RouterData.page.raw_path by @masenf in https://github.com/reflex-dev/reflex/pull/6535

Doc / Web

• add otp field to reflex components internal by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6467
• ENG-9435: add .md files to deal with AI blindly adding .md by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6460
• Update router documentation for new URL API by @masenf in https://github.com/reflex-dev/reflex/pull/6371
• OPS-1430: Add what are you interested in option in demo form by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6459
• Update shared components for new web design by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6474
• internal: Make the Demo Form Accept Extra on_submit Handlers by @amsraman in https://github.com/reflex-dev/reflex/pull/6486
• Update customers link in marketing navbar by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6487
• Small updates to footer and mobile navbar for web by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6492
• ENG-9484: update docs for auto setters by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6496
• Show up to two lines per toc sidebar item by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6502
• Update internal drawer component by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6523
• Remove accidental whitelist changes by @masenf in https://github.com/reflex-dev/reflex/pull/6524
• Update docs whitelist workflow path and naming by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6525
• reflex-site-shared: canonical override + Try-for-free primary CTA by @PalashAwasthi05 in https://github.com/reflex-dev/reflex/pull/6521
• Fix docs breadcrumb overview routes by @Alek99 in https://github.com/reflex-dev/reflex/pull/6441
• [codex] update README example sections by @Alek99 in https://github.com/reflex-dev/reflex/pull/6511
• AgentFilesPlugin writes md files to frontend_path subdir by @masenf in https://github.com/reflex-dev/reflex/pull/6536
• Fix feedback popover bg color by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6540
• Bump base ui version for internal components by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6541
• Fix mobile drawer internal links in marketing navbar by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6539
• Refactor sidebar to use reactive Var operations instead of Python conditionals by @masenf in https://github.com/reflex-dev/reflex/pull/6528
• Increase case study click area in navbar by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6529
• update docs/app/reflex.lock by @masenf in https://github.com/reflex-dev/reflex/pull/6543

Telemetry Improvements

• feat(telemetry): emit compile events with page/component/state breakdown by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6507
• feat(telemetry): report export status, duration, and phase timings by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6509
• feat(telemetry): track per-feature usage counters on compile events by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6519
• feat: capture pre-init Python environment in init telemetry by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6534
• Display ToS / privacy warning on console with logging in by @masenf in https://github.com/reflex-dev/reflex/pull/6547
• add doc page for telemetry info and opt-out by @masenf in https://github.com/reflex-dev/reflex/pull/6548

Other Changes

• ENG-9447: add agents md instructions by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6461
• fix rx-shout integration test for new uv project structure by @masenf in https://github.com/reflex-dev/reflex/pull/6470
• added the missing tests (and verified they pass) by @patrizzzz in https://github.com/reflex-dev/reflex/pull/6170
• use uv run --no-sync in pre-commit commands by @masenf in https://github.com/reflex-dev/reflex/pull/6472
• fix(test): make tailwind integration test rerun-safe by @masenf in https://github.com/reflex-dev/reflex/pull/6473
• test(perf): add Lighthouse benchmark suite and CI job by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6494
• pin action commits by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6498
• security hygiene on actions by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6499
• Pin some docs app components by @carlosabadia in https://github.com/reflex-dev/reflex/pull/6501
• [codex] Loosen enterprise docs alert copy by @Alek99 in https://github.com/reflex-dev/reflex/pull/6505
• Embed README example video by @Alek99 in https://github.com/reflex-dev/reflex/pull/6508
• Update select docs by @tgberkeley in https://github.com/reflex-dev/reflex/pull/6503
• bump backend deps by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6488
• bump frontend deps 093 by @adhami3310 in https://github.com/reflex-dev/reflex/pull/6489
• fix(make_pyi): also diff staged changes when scanning for pyi updates by @FarhanAliRaza in https://github.com/reflex-dev/reflex/pull/6544

New Contributors

• @patrizzzz made their first contribution in https://github.com/reflex-dev/reflex/pull/6170
• @amsraman made their first contribution in https://github.com/reflex-dev/reflex/pull/6486
• @algojogacor made their first contribution in https://github.com/reflex-dev/reflex/pull/6485
• @PalashAwasthi05 made their first contribution in https://github.com/reflex-dev/reflex/pull/6521

Full Changelog: https://github.com/reflex-dev/reflex/compare/v0.9.2.post1...v0.9.3