v0.4.5 Pre-release Thread

[masenf]

Try out the Prerelease

Please report any problems you encounter in this discussion thread or as separate issues on reflex-dev/reflex.

pip install 'reflex~=0.4.5a'

Schedule

2024-03-15 17:40 PDT: 0.4.5a1 is released for general testing
2024-03-18: Scheduled release of 0.4.5
2024-03-20 13:04 PDT: General Release of 0.4.5

New Features

Support SQLAlchemy Models Directly

• Bare sqlalchemy metadata by @benedikt-bartscher in Bare sqlalchemy metadata #2355

Experimental Multi-process Compilation

Pass REFLEX_COMPILE_PROCESSES=0 to opt-in to multiprocess compile, which significantly improves compilation speed of large apps (Mac and Linux only).

• [REF-2122] Opt-in multiprocess compile by @masenf in [REF-2122] Opt-in multiprocess compile #2838

Improvements

• improve event handler state references by @benedikt-bartscher in improve event handler state references #2818
• Allow access to position from HighLevelSelect by @hjpr in Allow access to position from HighLevelSelect #2829
• [REF-2157] Allow rx.download to resolve rx.get_upload_url links by @masenf in [REF-2157] Allow rx.download to resolve rx.get_upload_url links #2813
• better default title for seo (also remove default description) by @Lendemor in better default title for seo (also remove default description) #2844
• Make @rx.memo work with state vars passed as props by @masenf in Make @rx.memo work with state vars passed as props #2810
• added name of Var to error message by @emmakodes in added name of Var to error message #2827

Bug Fixes

• [REF-2172] Add DECORATED_PAGES before compiling in thread by @masenf in [REF-2172] Add DECORATED_PAGES before compiling in thread #2841
  • Fix known regression with py3.8 and py3.9
• Remove width prop from rx.select by @picklelo in Remove width prop from rx.select #2835
• Get client_ip from asgi.scope by @masenf in Get client_ip from asgi.scope #2808
  • router.session.client_ip more likely to be correct now
• convert text inside list_item to span and set icon display to inline by @Lendemor in convert text inside list_item to span and set icon display to inline #2860

Other Changes

• [REF-2086] Avoid "Warning: The path to the Node binary could not be found. by @masenf in [REF-2086] Avoid "Warning: The path to the Node binary could not be found. #2803
• telemetry refactor + unit tests by @Lendemor in telemetry refactor + unit tests #2786
• Custom Component Request Template by @Alek99 in Custom Component Request Template #2853
• Benchmark with app harness by @ElijahAhianyo in Benchmark with app harness #2774
• Fix py3.8 integration test_var_operations.py by @masenf in Fix py3.8 integration test_var_operations.py #2858
• Account for imports of @rx.memo components for frontend package installation by @masenf in Account for imports of @rx.memo components for frontend package installation  #2863
• [REF-2216] Warn if windows is used with py312 by @masenf in [REF-2216] Warn if windows is used with py312 #2856
• Separate get_hooks and get_hooks_internal for stable output by @masenf in Separate get_hooks and get_hooks_internal for stable output #2710

New Contributors

• @hjpr made their first contribution in Allow access to position from HighLevelSelect #2829
• @emmakodes made their first contribution in added name of Var to error message #2827

Full Changelog: v0.4.4...reflex-0.4.5

[masenf]

reflex-0.4.5 is available now