Python-SDK - 5.3.0

• [FSSDK-11362] Fix CSRF security warning by @pvcraven in https://github.com/optimizely/python-sdk/pull/448
• [FSSDK-11362] Import CSRFProtect from a better spot so prisma picks it up by @pvcraven in https://github.com/optimizely/python-sdk/pull/450
• [FSSDK-11139] update: enable project config to track CMAB properties by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/451
• [FSSDK-11362] Try 3 to fix prisma scan issue with CSRF by @pvcraven in https://github.com/optimizely/python-sdk/pull/452
• [FSSDK-11017] update: experiment_id and variation_id added to payloads by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/447
• [FSSDK-11157] update: add remove method in LRU Cache for CMAB service by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/454
• [FSSDK-11148] update: Implement CMAB Client by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/453
• [FSSDK-11166] update: implement CMAB service by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/455
• [FSSDK-11175] Update: Implement Decision Service methods to handle CMAB by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/457
• [FSSDK-11184] Update: Send CMAB uuid in impression events by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/458
• [FSSDK-11458] Python - Add SDK Multi-Region Support for Data Hosting by @esrakartalOpt in https://github.com/optimizely/python-sdk/pull/459
• [FSSDK-11789] Maintenance: remove unused testapp folder from tests by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/461
• [FSSDK-11901] Fix concurrency bug in cmab service by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/462
• [FSSDK-11569][FSSDK-11570] Python: Holdout Project Config update by @esrakartalOpt in https://github.com/optimizely/python-sdk/pull/464
• [FSSDK-11991] update: expose CMAB cache configuration options by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/463
• [FSSDK-12010] Expose cmab prediction endpoint in py sdk by @Mat001 in https://github.com/optimizely/python-sdk/pull/466
• [FSSDK-11571] Python: Add holdout support and refactor decision logic in DefaultDecisionService by @esrakartalOpt in https://github.com/optimizely/python-sdk/pull/467
• [FSSDK-11958] chore: Release v5.3.0 by @FarhanAnjum-opti in https://github.com/optimizely/python-sdk/pull/468

• @esrakartalOpt made their first contribution in https://github.com/optimizely/python-sdk/pull/459

Full Changelog: https://github.com/optimizely/python-sdk/compare/5.2.0...5.3.0