According to the Specification Development Guidance (https://riscv.atlassian.net/wiki/spaces/TAXX/pages/174522378/RISC-V+Development+Process#Specification-Development), specifications in freezing phase should have a version number of 0.8x.

Historical releases (v0.9.6 to v1.0.0-rc5) were all in the freezing phase, which results in this release being v0.8.18.

What's Changed

• Update the specification to align with the freeze requirements. by @ybc-alkaid in #87
• update version number by @ybc-alkaid in #88

Full Changelog: v1.0.0-rc5...v0.8.18

What's Changed

• hSPMP clarifications by @josecm in #69
• Clarify behavior of hspmpdeleg update do to mpmpdeleg write taking in… by @josecm in #70
• Polish the specification. by @ybc-alkaid in #72
• Polish the specification according to the ARC feedback. by @ybc-alkaid in #73
• Polish and restructure the specification to enhance readability by @ybc-alkaid in #79
• Polish the specification. by @ybc-alkaid in #80

Full Changelog: v1.0.0-rc4...v1.0.0-rc5

What's Changed

• update and polish the spec according to the ARC review by @ybc-alkaid in #60
• hypervisor draft v0.2 by @josecm in #61
• polish the text and remove legacy content by @ybc-alkaid in #68

Full Changelog: v1.0.0-rc3...v1.0.0-rc4

Regarding feedback from the 3rd round ARC review.

What's Changed

• Update the specification based on feedback from SPMP TG and the ARC.
• Many editorial modifications.

Full Changelog: v0.9.12...v1.0.0-rc2

What's Changed

The specification is updated according to feedbacks from the task group and second-round ARC review.

Full Changelog: v0.9.11...v0.9.12

The specification is refined according to the ARC feedback.

• Separate out features visible in each privilege mode into separate chapters.
• Remove direct CSR-access.
• Remove sseccfg CSR. The allowlist policy is default.
• Add the lock bit in spmpcfg. The delegation register can also be locked.
• Add an M-mode extension to access PMP_resource via indirect CSRs.
• The exception code remains the same as the priv. specification.
• Context-switch optimization should be optional, and corner case should be noted.
• Refine software guideline.
• Add some notes to make the specification clearer.

Full Changelog: v0.9.10...v0.9.11

What's Changed

• Refine the indirect CSR access method according to Allen's suggestion.
• The spmpaddr and spmpcfg CSRs of each SPMP rule can be accessed via a single siselect value.

Full Changelog: v0.9.9...v0.9.10

What's Changed

• Refine descriptions in Chapter 3 Resource Sharing.

What's Changed

• Remove spmpswitch from indirect access
• Add siselect values to Chapter hardware changes
• Add description of discovery method of SPMP
• Refine wording of the spec