v5.0.1

What’s changed

🐛 Bug fixes

• Add TIMEPROG data type @liudger (#1363)

v5.0.0

What’s changed

🚀 Enhancements

• Switch to pydantic @liudger (#1359)
• Add energy to sensor @liudger (#1361)

🧰 Maintenance

• Maintenance @liudger (#1360)
• Refactor workflow @liudger (#1362)

⬆️ Dependency updates

• ⬆️ Update dependency ty to v0.0.18 @renovate[bot] (#1356)
• ⬆️ Update dependency pylint to v4.0.5 @renovate[bot] (#1355)
• ⬆️ Update github/codeql-action action to v4.32.4 @renovate[bot] (#1357)
• ⬆️ Lock file maintenance @renovate[bot] (#1358)
• Maintenance @liudger (#1360)

v4.2.1

What’s changed

🚀 Enhancements

• ⬆️ Enhance type safety @liudger (#1352)

⬆️ Dependency updates

• ⬆️ Update github/codeql-action action to v4.32.3 @renovate[bot] (#1349)
• ⬆️ Lock file maintenance @renovate[bot] (#1350)
• ⬆️ Update actions/stale action to v10.2.0 @renovate[bot] (#1351)
• ⬆️ Update dependency ty to v0.0.17 @renovate[bot] (#1348)
• ⬆️ Update dependency ruff to v0.15.1 @renovate[bot] (#1347)

v4.2.0

What’s changed

✨ New features

• feat: add HA-compatible device and state class mappings @liudger (#1346)

🐛 Bug fixes

• ⬆️ Add permissions section to workflows @liudger (#1343)
• fix security issue cryptography @liudger (#1344)
• refactor: simplify device attribute assignment in print_device_info @liudger (#1345)

🚀 Enhancements

• feat: add HA-compatible device and state class mappings @liudger (#1346)

🧰 Maintenance

• fix security issue cryptography @liudger (#1344)

⬆️ Dependency updates

• ⬆️ Lock file maintenance @renovate[bot] (#1313)
• ⬆️ Update github/codeql-action action to v4.31.10 @renovate[bot] (#1314)
• ⬆️ Update dependency node to v24.13.0 @renovate[bot] (#1315)
• ⬆️ Update actions/setup-node action to v6.2.0 @renovate[bot] (#1319)
• ⬆️ Update dependency prettier to v3.8.0 @renovate[bot] (#1320)
• ⬆️ Update dependency ty to v0.0.12 @renovate[bot] (#1318)
• ⬆️ Update dependency ruff to v0.14.13 @renovate[bot] (#1317)
• ⬆️ Lock file maintenance @renovate[bot] (#1321)
• ⬆️ Update actions/checkout action to v6.0.2 @renovate[bot] (#1322)
• ⬆️ Lock file maintenance @renovate[bot] (#1325)
• ⬆️ Update dependency prettier to v3.8.1 @renovate[bot] (#1327)
• ⬆️ Update dependency ty to v0.0.14 @renovate[bot] (#1329)
• ⬆️ Update actions/setup-python action to v6.2.0 @renovate[bot] (#1330)
• ⬆️ Update github/codeql-action action to v4.32.0 @renovate[bot] (#1331)
• ⬆️ Update release-drafter/release-drafter action to v6.2.0 @renovate[bot] (#1332)
• ⬆️ Lock file maintenance @renovate[bot] (#1336)
• ⬆️ Update github/codeql-action action to v4.32.1 @renovate[bot] (#1337)
• ⬆️ Update github/codeql-action action to v4.32.2 @renovate[bot] (#1339)
• ⬆️ Lock file maintenance @renovate[bot] (#1340)
• ⬆️ Update dependency node to v24.13.1 @renovate[bot] (#1341)
• ⬆️ Update dependency black to v26 @renovate[bot] (#1333)
• ⬆️ Update dependency yamllint to v1.38.0 @renovate[bot] (#1316)
• ⬆️ Update dependency ty to v0.0.16 @renovate[bot] (#1338)
• ⬆️ Update dependency bandit to v1.9.3 @renovate[bot] (#1323)
• ⬆️ Update dependency ruff to v0.15.0 @renovate[bot] (#1328)
• ⬆️ Update dependency coverage to v7.13.4 @renovate[bot] (#1326)

v4.1.0

What’s changed

✨ New features

• Add low-level parameter access methods @liudger (#1309)
• Add optional parameter filtering @liudger (#1310)

🐛 Bug fixes

• Add optional include parameter for hot water group validation @liudger (#1312)

🚀 Enhancements

• Add low-level parameter access methods @liudger (#1309)
• Add optional parameter filtering @liudger (#1310)
• Add speed comparison tests for BSB-LAN API calls @liudger (#1311)

v4.1.0-beta.2

What’s changed

🐛 Bug fixes

• Add optional include parameter for hot water group validation @liudger (#1312)

v4.1.0-beta.1

What’s changed

🚀 Enhancements

• Add speed comparison tests for BSB-LAN API calls @liudger (#1311)

v4.1.0-beta.0

What’s changed

✨ New features

• Add low-level parameter access methods @liudger (#1309)
• Add optional parameter filtering @liudger (#1310)

🚀 Enhancements

• Add low-level parameter access methods @liudger (#1309)
• Add optional parameter filtering @liudger (#1310)

v4.0.0

What’s changed

🚀 Enhancements

• Feature: Lazy loading @liudger (#1307)

🧰 Maintenance

• Add support for pre-release options in release drafter workflow @liudger (#1308)

📚 Documentation

• move MIT License file to root @liudger (#1302)

⬆️ Dependency updates

• ⬆️ Lock file maintenance @renovate[bot] (#1300)
• ⬆️ Update dependency ty to v0.0.9 @renovate[bot] (#1303)
• ⬆️ Update dependency ty to v0.0.10 @renovate[bot] (#1305)
• ⬆️ Update dependency ruff to v0.14.11 @renovate[bot] (#1304)
• ⬆️ Update github/codeql-action action to v4 @renovate[bot] (#1299)
• ⬆️ Update dependency ty to v0.0.11 @renovate[bot] (#1306)

More details

🚀 Performance Comparison: Lazy Loading

Before (Eager Loading)

• Initialize(): ~24 seconds
• All sections validated upfront (heating, sensor, staticValues, device, hot_water)
• Hot water section alone: ~7.9 seconds (67% of total init time)

After (Lazy Loading)

• Initialize(): ~0.02 seconds (~1200x faster)
• Only fetches firmware version on init
• Sections validated on-demand when first accessed

Granular Hot Water Loading

Hot water parameters split into 3 groups for more efficient loading:

Group	Params	Method	Use Case
Essential	5	hot_water_state()	Frequent polling
Config	16	hot_water_config()	Advanced settings
Schedule	8	hot_water_schedule()	Time programs

Race Condition Prevention

Added asyncio locks (double-checked locking pattern) to prevent duplicate network requests when concurrent calls access the same section before validation completes.

Home Assistant Impact

• ⚡ Integration loads almost instantly
• 📉 Reduced startup blocking time from ~24s to ~0.02s
• 🔄 Data fetched on-demand, spreading network load over time

v4.0.0-beta.0

What’s changed

🚀 Enhancements

• Feature: Lazy loading @liudger (#1307)

🧰 Maintenance

• Add support for pre-release options in release drafter workflow @liudger (#1308)

📚 Documentation

• move MIT License file to root @liudger (#1302)

⬆️ Dependency updates

• ⬆️ Lock file maintenance @renovate[bot] (#1300)
• ⬆️ Update dependency ty to v0.0.9 @renovate[bot] (#1303)
• ⬆️ Update dependency ty to v0.0.10 @renovate[bot] (#1305)
• ⬆️ Update dependency ruff to v0.14.11 @renovate[bot] (#1304)
• ⬆️ Update github/codeql-action action to v4 @renovate[bot] (#1299)
• ⬆️ Update dependency ty to v0.0.11 @renovate[bot] (#1306)