PyPI
fastapi
FastAPI framework, high performance, easy to learn, fast to code, ready for production
apiasyncasynciofastapiframeworkjsonjson-schemaopenapi
Release cadenceSeveral a day
Last releaseOct 23, 2026
Open advisories0
Changelog quality98% curated
GitHub Releases, gaps for some releases
Release history SecurityYou're on
182 older or filtered releases not shown.
Upgrade guides
Breaking changes and a migration checklist for each major versionfastapi 0.161 → 0.1620.161.1 → 0.162.0Oct 23, 2026 BreakingBreaking2Changed1Other1fastapi 0.160 → 0.1610.160.0 → 0.161.1Oct 22, 2026 SafeNew1Fixed1fastapi 0.159 → 0.1600.159.1 → 0.160.0Oct 22, 2026 BreakingBreaking1Other1fastapi 0.158 → 0.1590.158.2 → 0.159.1Oct 21, 2026 SafeNew2fastapi 0.157 → 0.1580.157.0 → 0.158.2Oct 21, 2026 SafeNew2Fixed1fastapi 0.156 → 0.1570.156.8 → 0.157.0Oct 21, 2026 SafeNew1Other3fastapi 0.155 → 0.1560.155.0 → 0.156.8Oct 21, 2026 SafeFixed10fastapi 0.154 → 0.1550.154.0 → 0.155.0Oct 20, 2026 BreakingBreaking2fastapi 0.153 → 0.1540.153.0 → 0.154.0Oct 20, 2026 SafeNew1fastapi 0.152 → 0.1530.152.0 → 0.153.0Oct 20, 2026 SafeFixed2fastapi 0.151 → 0.1520.151.0 → 0.152.0Oct 20, 2026 SafeFixed2fastapi 0.150 → 0.1510.150.0 → 0.151.0Oct 20, 2026 BreakingBreaking2Fixed1fastapi 0.149 → 0.1500.149.0 → 0.150.0Oct 19, 2026 BreakingBreaking1fastapi 0.148 → 0.1490.148.0 → 0.149.0Oct 19, 2026 BreakingBreaking1fastapi 0.147 → 0.1480.147.0 → 0.148.0Oct 19, 2026 BreakingBreaking2Changed2fastapi 0.146 → 0.1470.146.0 → 0.147.0Oct 19, 2026 BreakingBreaking2Other1fastapi 0.145 → 0.1460.145.0 → 0.146.0Oct 18, 2026 Review neededDeprecated1fastapi 0.144 → 0.1450.144.0 → 0.145.0Oct 18, 2026 BreakingBreaking1Other1fastapi 0.143 → 0.1440.143.5 → 0.144.0Oct 18, 2026 SafeNew1fastapi 0.142 → 0.1430.142.4 → 0.143.5Oct 18, 2026 BreakingBreaking2Changed2Fixed4Other13fastapi 0.141 → 0.1420.141.1 → 0.142.4Oct 7, 2026 Review neededNew1Changed19Fixed4Other65fastapi 0.140 → 0.1410.140.13 → 0.141.1Jul 29, 2026 SafeNew1Fixed1Other1fastapi 0.139 → 0.1400.139.2 → 0.140.13Jul 28, 2026 Review neededChanged10Fixed6Other16fastapi 0.138 → 0.1390.138.2 → 0.139.2Jul 16, 2026 Review neededNew1Changed11Fixed2Other50fastapi 0.137 → 0.1380.137.2 → 0.138.2Jun 29, 2026 Review neededSecurity1New1Changed2Other18fastapi 0.136 → 0.1370.136.3 → 0.137.2Jun 18, 2026 BreakingBreaking6Security1New4Changed22Fixed2Other49fastapi 0.135 → 0.1360.135.4 → 0.136.3May 23, 2026 BreakingBreaking1Security1Platform1Changed22Other3fastapi 0.134 → 0.1350.134.0 → 0.135.4Apr 16, 2026 BreakingBreaking1New2Changed21Fixed2Other52fastapi 0.133 → 0.1340.133.1 → 0.134.0Feb 27, 2026 Review neededNew1Changed1Other7fastapi 0.132 → 0.1330.132.1 → 0.133.1Feb 25, 2026 Review neededNew1Changed1Other1fastapi 0.131 → 0.1320.131.0 → 0.132.1Feb 24, 2026 BreakingBreaking3Changed3Other6fastapi 0.130 → 0.1310.130.0 → 0.131.0Feb 22, 2026 Review neededDeprecated1fastapi 0.129 → 0.1300.129.2 → 0.130.0Feb 22, 2026 Review neededChanged1Other1fastapi 0.128 → 0.1290.128.8 → 0.129.2Feb 21, 2026 BreakingBreaking1Deprecated1Changed2Fixed1Other25fastapi 0.127 → 0.1280.127.1 → 0.128.8Feb 11, 2026 BreakingBreaking1Deprecated1New4Changed16Fixed8Other98fastapi 0.126 → 0.1270.126.0 → 0.127.1Dec 26, 2025 BreakingBreaking1Changed1Other12fastapi 0.125 → 0.1260.125.0 → 0.126.0Dec 20, 2025 BreakingBreaking1Changed2Other5fastapi 0.124 → 0.1250.124.4 → 0.125.0Dec 17, 2025 BreakingBreaking1Changed1Other25fastapi 0.123 → 0.1240.123.10 → 0.124.4Dec 12, 2025 SafeNew1Fixed4Other12fastapi 0.122 → 0.1230.122.1 → 0.123.10Dec 5, 2025 Review neededNew3Changed1Fixed17Other12fastapi 0.121 → 0.1220.121.3 → 0.122.1Nov 30, 2025 BreakingBreaking1Changed2Fixed1Other8fastapi 0.120 → 0.1210.120.4 → 0.121.3Nov 19, 2025 Review neededNew1Changed5Fixed2Other14fastapi 0.119 → 0.1200.119.1 → 0.120.4Oct 31, 2025 Review neededChanged5Fixed2Other10fastapi 0.118 → 0.1190.118.3 → 0.119.1Oct 20, 2025 Review neededDeprecated1New1Fixed1Other3fastapi 0.117 → 0.1180.117.1 → 0.118.3Oct 10, 2025 BreakingPlatform1Changed11Fixed2Other23fastapi 0.116 → 0.1170.116.2 → 0.117.1Sep 20, 2025 Review neededNew3Changed2Fixed6Other11fastapi 0.115 → 0.1160.115.14 → 0.116.2Sep 16, 2025 Review neededNew2Changed18Fixed1Other61fastapi 0.114 → 0.1150.114.2 → 0.115.14Jun 26, 2025 BreakingPlatform1New3Changed51Fixed10Other496fastapi 0.113 → 0.1140.113.0 → 0.114.2Sep 13, 2024 Review neededNew1Changed2Fixed1Other16fastapi 0.112 → 0.1130.112.4 → 0.113.0Sep 5, 2024 SafeNew1Other1fastapi 0.111 → 0.1120.111.1 → 0.112.4Sep 5, 2024 BreakingBreaking1Security1New1Changed6Fixed3Other120fastapi 0.110 → 0.1110.110.3 → 0.111.1Jul 14, 2024 UnknownNew1Changed3Other77fastapi 0.109 → 0.1100.109.2 → 0.110.3Apr 30, 2024 BreakingBreaking1Changed10Fixed2Other217fastapi 0.108 → 0.1090.108.0 → 0.109.2Feb 4, 2024 Review neededSecurity1Deprecated1New2Changed5Fixed1Other188fastapi 0.107 → 0.1080.107.0 → 0.108.0Dec 26, 2023 Review neededChanged1fastapi 0.106 → 0.1070.106.0 → 0.107.0Dec 26, 2023 Review neededChanged1Other2fastapi 0.105 → 0.1060.105.0 → 0.106.0Dec 25, 2023 BreakingBreaking1New1Changed1fastapi 0.104 → 0.1050.104.1 → 0.105.0Dec 12, 2023 SafeNew1Other10fastapi 0.103 → 0.1040.103.2 → 0.104.1Oct 30, 2023 BreakingPlatform1New1Changed3Fixed2Other23fastapi 0.102 → 0.1030.102.0 → 0.103.2Sep 28, 2023 Review neededNew1Changed2Other33fastapi 0.101 → 0.1020.101.1 → 0.102.0Aug 25, 2023 SafeNew1Other9fastapi 0.100 → 0.1010.100.1 → 0.101.1Aug 14, 2023 Review neededNew1Changed3Fixed1Other33fastapi 0.99 → 0.1000.99.1 → 0.100.1Jul 27, 2023 BreakingBreaking1Deprecated1New3Changed3Fixed1Other18fastapi 0.98 → 0.990.98.0 → 0.99.1Jul 2, 2023 Review neededNew4Changed1Fixed1Other16fastapi 0.97 → 0.980.97.0 → 0.98.0Jun 22, 2023 Review neededNew11Changed3Fixed1Other15fastapi 0.96 → 0.970.96.1 → 0.97.0Jun 11, 2023 SafeNew2Other6fastapi 0.95 → 0.960.95.2 → 0.96.1Jun 10, 2023 Review neededNew14Changed2Fixed3Other10fastapi 0.94 → 0.950.94.1 → 0.95.2May 16, 2023 Review neededSecurity1New19Changed2Fixed3Other21fastapi 0.93 → 0.940.93.0 → 0.94.1Mar 14, 2023 Review neededNew3Changed3Fixed1Other3fastapi 0.92 → 0.930.92.0 → 0.93.0Mar 7, 2023 SafeNew4Other12fastapi 0.91 → 0.920.91.0 → 0.92.0Feb 14, 2023 Review neededChanged1fastapi 0.90 → 0.910.90.1 → 0.91.0Feb 10, 2023 SafeOther1fastapi 0.89 → 0.900.89.1 → 0.90.1Feb 9, 2023 Review neededNew6Changed1Other17fastapi 0.88 → 0.890.88.0 → 0.89.1Jan 10, 2023 Review neededNew7Changed5Fixed2Other15fastapi 0.87 → 0.880.87.0 → 0.88.0Nov 27, 2022 Review neededNew1Changed1Fixed1Other8fastapi 0.86 → 0.870.86.0 → 0.87.0Nov 13, 2022 Review neededNew10Changed2Fixed1Other7fastapi 0.85 → 0.860.85.2 → 0.86.0Nov 3, 2022 Review neededNew3Changed2Fixed1Other5fastapi 0.84 → 0.850.84.0 → 0.85.2Oct 31, 2022 Review neededNew13Changed4Fixed2Other18fastapi 0.83 → 0.840.83.0 → 0.84.0Sep 14, 2022 BreakingPlatform1fastapi 0.82 → 0.830.82.0 → 0.83.0Sep 11, 2022 SafeNew1Fixed2Other2fastapi 0.81 → 0.820.81.0 → 0.82.0Sep 4, 2022 Review neededNew5Changed2Fixed5Other12fastapi 0.80 → 0.810.80.0 → 0.81.0Aug 26, 2022 Review neededNew7Changed2Fixed2Other25fastapi 0.79 → 0.800.79.1 → 0.80.0Aug 23, 2022 BreakingBreaking1New1Fixed5Other1fastapi 0.78 → 0.790.78.0 → 0.79.1Aug 18, 2022 BreakingBreaking1New14Changed7Fixed3Other19fastapi 0.77 → 0.780.77.1 → 0.78.0May 14, 2022 SafeNew8Fixed1Other19fastapi 0.76 → 0.770.76.0 → 0.77.1May 10, 2022 BreakingBreaking1New9Changed4Fixed5Other11fastapi 0.75 → 0.760.75.2 → 0.76.0May 5, 2022 Review neededChanged1Other4fastapi 0.74 → 0.750.74.1 → 0.75.2Apr 17, 2022 Review neededSecurity2New1Changed1Fixed3Other12fastapi 0.73 → 0.740.73.0 → 0.74.1Feb 21, 2022 BreakingBreaking1New2Other3fastapi 0.72 → 0.730.72.0 → 0.73.0Jan 23, 2022 SafeNew3Fixed2Other3fastapi 0.71 → 0.720.71.0 → 0.72.0Jan 16, 2022 Review neededNew3Changed1Fixed1Other2fastapi 0.70 → 0.710.70.1 → 0.71.0Jan 7, 2022 Review neededNew1Changed1Other3fastapi 0.69 → 0.700.69.0 → 0.70.1Dec 12, 2021 BreakingBreaking4New12Changed2Fixed3Other1fastapi 0.68 → 0.690.68.2 → 0.69.0Oct 7, 2021 SafeNew3Other22fastapi 0.67 → 0.680.67.0 → 0.68.2Oct 5, 2021 BreakingPlatform1New29Other24fastapi 0.66 → 0.670.66.1 → 0.67.0Jul 21, 2021 SafeNew2Other14fastapi 0.65 → 0.660.65.3 → 0.66.1Jul 19, 2021 SafeNew8Fixed2Other2fastapi 0.64 → 0.650.64.0 → 0.65.3Jul 3, 2021 BreakingBreaking1Security3New14Fixed1Other14fastapi 0.63 → 0.640.63.0 → 0.64.0May 7, 2021 Review neededNew37Changed1Fixed5Other18fastapi 0.62 → 0.630.62.0 → 0.63.0Dec 20, 2020 BreakingBreaking1New8Fixed1Other9fastapi 0.61 → 0.620.61.2 → 0.62.0Nov 29, 2020 BreakingBreaking1New25Other11fastapi 0.60 → 0.610.60.2 → 0.61.2Nov 5, 2020 UnknownNew24Fixed4Other44fastapi 0.59 → 0.600.59.0 → 0.60.2Aug 8, 2020 BreakingBreaking1Security1New13Changed7Fixed9Other5fastapi 0.58 → 0.590.58.1 → 0.59.0Jul 10, 2020 Review neededNew2Changed4Fixed3Other2fastapi 0.57 → 0.580.57.0 → 0.58.1Jun 28, 2020 Review neededNew8Changed2Fixed6Other2fastapi 0.56 → 0.570.56.1 → 0.57.0Jun 13, 2020 BreakingBreaking2New8Changed5Fixed2Other2fastapi 0.55 → 0.560.55.1 → 0.56.1Jun 12, 2020 BreakingBreaking2New12Changed4Fixed3Other1fastapi 0.54 → 0.550.54.2 → 0.55.1May 23, 2020 Review neededNew4Changed5Fixed3Other1fastapi 0.53 → 0.540.53.2 → 0.54.2May 16, 2020 BreakingBreaking1New20Changed6Fixed1Other1fastapi 0.52 → 0.530.52.0 → 0.53.2Mar 30, 2020 Review neededNew7Changed5Fixed9Other2fastapi 0.51 → 0.520.51.0 → 0.52.0Mar 1, 2020 SafeNew1fastapi 0.50 → 0.510.50.0 → 0.51.0Mar 1, 2020 SafeOther1fastapi 0.49 → 0.500.49.2 → 0.50.0Feb 29, 2020 SafeNew2Other1fastapi 0.48 → 0.490.48.0 → 0.49.2Feb 29, 2020 Review neededNew4Changed4Fixed9Other2fastapi 0.47 → 0.480.47.1 → 0.48.0Feb 4, 2020 BreakingBreaking1New4Changed2Fixed5Other2fastapi 0.46 → 0.470.46.0 → 0.47.1Jan 18, 2020 Review neededNew1Changed2Fixed5Other3fastapi 0.45 → 0.460.45.0 → 0.46.0Jan 8, 2020 Review neededNew5Changed1Fixed5fastapi 0.44 → 0.450.44.1 → 0.45.0Dec 11, 2019 BreakingBreaking2New2Other1fastapi 0.43 → 0.440.43.0 → 0.44.1Dec 4, 2019 Review neededNew7Changed2Fixed6fastapi 0.42 → 0.430.42.0 → 0.43.0Nov 24, 2019 BreakingBreaking1New2Changed1Fixed2Other1fastapi 0.41 → 0.420.41.0 → 0.42.0Oct 9, 2019 SafeNew1Fixed1fastapi 0.40 → 0.410.40.0 → 0.41.0Oct 7, 2019 Review neededNew1Changed1Fixed1fastapi 0.39 → 0.400.39.0 → 0.40.0Oct 4, 2019 SafeNew3Fixed4Other1fastapi 0.38 → 0.390.38.1 → 0.39.0Sep 29, 2019 SafeNew3fastapi 0.37 → 0.380.37.0 → 0.38.1Sep 1, 2019 BreakingBreaking1New2Fixed1fastapi 0.36 → 0.370.36.0 → 0.37.0Aug 31, 2019 SafeSecurity1New6Fixed2Other2fastapi 0.35 → 0.360.35.0 → 0.36.0Aug 26, 2019 SafeNew1Fixed3fastapi 0.34 → 0.350.34.0 → 0.35.0Aug 8, 2019 SafeFixed3fastapi 0.33 → 0.340.33.0 → 0.34.0Aug 6, 2019 SafeNew2fastapi 0.32 → 0.330.32.0 → 0.33.0Jul 13, 2019 SafeOther1fastapi 0.31 → 0.320.31.0 → 0.32.0Jul 12, 2019 Review neededNew2Changed2Fixed4fastapi 0.30 → 0.310.30.1 → 0.31.0Jun 28, 2019 SafeNew1fastapi 0.29 → 0.300.29.1 → 0.30.1Jun 28, 2019 BreakingBreaking1New5Changed3Other1fastapi 0.28 → 0.290.28.0 → 0.29.1Jun 13, 2019 SafeNew1Fixed3fastapi 0.27 → 0.280.27.2 → 0.28.0Jun 5, 2019 SafeNew2fastapi 0.26 → 0.270.26.0 → 0.27.2Jun 3, 2019 SafeFixed4Other1fastapi 0.25 → 0.260.25.0 → 0.26.0May 29, 2019 Review neededChanged1Fixed2Other1fastapi 0.24 → 0.250.24.0 → 0.25.0May 27, 2019 SafeNew3fastapi 0.23 → 0.240.23.0 → 0.24.0May 24, 2019 SafeNew1Other1fastapi 0.22 → 0.230.22.0 → 0.23.0May 21, 2019 Review neededNew1Changed2Other1fastapi 0.21 → 0.220.21.0 → 0.22.0May 16, 2019 Review neededNew1Changed1Fixed1Other2fastapi 0.20 → 0.210.20.1 → 0.21.0May 15, 2019 SafeFixed1Other3fastapi 0.19 → 0.200.19.0 → 0.20.1May 11, 2019 SafeNew4Fixed1Other2fastapi 0.18 → 0.190.18.0 → 0.19.0Apr 26, 2019 BreakingBreaking1New1fastapi 0.17 → 0.180.17.0 → 0.18.0Apr 22, 2019 Review neededNew2Changed1Other1fastapi 0.16 → 0.170.16.0 → 0.17.0Apr 20, 2019 Review neededNew1Changed2fastapi 0.15 → 0.160.15.0 → 0.16.0Apr 16, 2019 SafeNew1Fixed2Other2fastapi 0.14 → 0.150.14.0 → 0.15.0Apr 14, 2019 SafeNew2fastapi 0.13 → 0.140.13.0 → 0.14.0Apr 12, 2019 Review neededNew1Changed3Other1fastapi 0.12 → 0.130.12.1 → 0.13.0Apr 9, 2019 SafeNew1fastapi 0.11 → 0.120.11.0 → 0.12.1Apr 5, 2019 Review neededNew1Changed1Fixed3fastapi 0.10 → 0.110.10.2 → 0.11.0Apr 3, 2019 Review neededNew1Changed1Fixed1fastapi 0.9 → 0.100.9.1 → 0.10.2Mar 29, 2019 Review neededNew4Changed1Fixed1Other1fastapi 0.8 → 0.90.8.0 → 0.9.1Mar 22, 2019 SafeNew1Fixed2Other2fastapi 0.7 → 0.80.7.1 → 0.8.0Mar 16, 2019 Review neededNew1Changed3fastapi 0.6 → 0.70.6.4 → 0.7.1Mar 4, 2019 Review neededNew2Changed1Other1fastapi 0.5 → 0.60.5.1 → 0.6.4Mar 2, 2019 Review neededNew8Changed3Fixed1Other1fastapi 0.4 → 0.50.4.0 → 0.5.1Feb 18, 2019 Review neededNew6Changed2fastapi 0.3 → 0.40.3.0 → 0.4.0Feb 14, 2019 Review neededNew1Changed1fastapi 0.2 → 0.30.2.1 → 0.3.0Feb 12, 2019 SafeFixed1fastapi 0.1 → 0.20.1.19 → 0.2.1Feb 12, 2019 SafeNew1Fixed2
VersionChannelDateChangesSecurity
0.162.0 StableOct 23, 2026Breaking2Changed1Other10.161.1 youStableOct 22, 2026Fixed10.161.0 StableOct 22, 2026New10.160.0 StableOct 22, 2026Breaking1Other10.159.1 StableOct 21, 2026New10.159.0 StableOct 21, 2026New10.158.2 StableOct 21, 2026New10.158.1 StableOct 21, 2026Fixed10.158.0 StableOct 21, 2026New10.157.0 StableOct 21, 2026New1Other30.156.8 StableOct 21, 2026Fixed10.156.7 StableOct 21, 2026Fixed10.156.6 StableOct 21, 2026Fixed10.156.5 StableOct 21, 2026Fixed10.156.4 StableOct 20, 2026Fixed20.156.3 StableOct 20, 2026Fixed10.156.2 StableOct 20, 2026Fixed10.156.1 StableOct 20, 2026Fixed10.156.0 StableOct 20, 2026Fixed10.155.0 StableOct 20, 2026Breaking2